Strengthening LMR (MR)

Discussion of chess software programming and technical issues.

Moderator: Ras

Mike Sherwin
Posts: 965
Joined: Fri Aug 21, 2020 1:25 am
Location: Planet Earth, Sol system
Full name: Michael J Sherwin

Strengthening LMR (MR)

Post by Mike Sherwin »

Code: Select all

// from search

  count = 0;
  for (mi = 0; mi < n; mi++) {
    Sort(t, m, mi, n);
    mov = m + mi;
    MakeMove(t, mov);
    UpdateHash(t, mov);
    if (IncreaseRepCount(t) == 2) {
      mov->score = 0;
    }
    else {
      if (depth > 3 && count > 0) {

        hashKey ^= 1ull;
        hashSig ^= 1ull;
        wtm = 1 - wtm;
        score = Qsearch(t, m + n, alpha, alpha + 1);
        wtm = 1 - wtm;
        hashKey ^= 1ull;
        hashSig ^= 1ull;
        if (score <= alpha) d = depth - 2; else d = depth;
        
        mov->score = -Search(t, m + n, -alpha - 1, -alpha, d - 3);
        if (mov->score > alpha)
          mov->score = -Search(t, m + n, -beta, -alpha, depth - 1);
      }
      else {
        mov->score = -Search(t, m + n, -beta, -alpha, depth - 1);
      }
    }
   
    DecreaseRepCount(t);
    UpdateHash(t, mov);
    TakeBack(t, mov);
The idea is that after making a move and then a null move there is no threat that will score more than alpha then it is safe to reduce more.
[pgn]
[Event "Oli"]
[Site "DESKTOP-HFVHK2B"]
[Date "2022.02.01"]
[Round "1"]
[White "Bricabrac"]
[Black "Tscp181"]
[Result "1-0"]
[BlackElo "2200"]
[ECO "A70"]
[Opening "Benoni"]
[Time "11:43:46"]
[Variation "Classical, 7...Bg7"]
[WhiteElo "2200"]
[TimeControl "10+4"]
[Termination "normal"]
[PlyCount "91"]
[WhiteType "human"]
[BlackType "human"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.
Bc4 {(f1c4 e8g8 e1g1 b8d7 c1f4 d8b6 a1b1 b6b4 f4d6 b4c4 d6f8) +1.69/11 9}
O-O {(e8g8 e1g1 d8e8 c4d3 b8d7) -0.66/5 1} 9. O-O {(e1g1 b8d7 d1b3 f8e8
c1g5 d7e5 f3e5 d6e5 a1e1 d8a5) +2.13/10 8} Bg4 {(c8g4 c1f4 d8e7 c4d3 b8d7)
-0.71/5 1} 10. Qb3 {(d1b3 d8e7 f3g5 b8a6 a2a4 a6b4 a4a5 h7h5 h2h4 g7h6)
+1.57/10 7} Bxf3 {(g4f3 g2f3 d8c7 c3b5 c7d8 c1e3) -0.38/6 1} 11. gxf3
{(g2f3 d8e7 c1e3 f8d8 e3d2 b8a6 c3e2 e7c7 a1d1 a8c8 e2f4) +1.64/11 6} b6
{(b7b6 c1f4 f6e8 f4d2 b8d7 f3f4) -0.40/6 1} 12. Bg5 {(c1g5 b8d7 f3f4 f8e8
c4b5 e8e7 a1c1 a8c8 f1d1 h7h6 g5h4) +2.15/11 5} Nbd7 {(b8d7 g5f4 d8e7 a1c1
f8e8 b3d1) -0.19/6 1} 13. f4 {(f3f4 d8e7 a1d1 f8d8 f1e1 g8f8 g1f1 f8e8 f1e2
a8c8) +2.33/10 5} Re8 {(f8e8 a1c1 a7a6 g5f6 d7f6 c4d3) -0.16/6 1} 14. Rfe1
{(f1e1 d8e7 a1d1 a8b8 d1d3 e7f8 d3g3 b8b7 g1f1 f8e7) +2.23/10 4} a6 {(a7a6
a1c1 h7h6 g5h4 d8c7 h4g3) -0.16/6 1} 15. e5 {(e4e5 b6b5 e5f6 e8e1 a1e1 b5c4
f6g7 c4b3 g5d8 a8d8) +2.35/10 4} dxe5 {(d6e5 d5d6 e8f8 c4d5 a8b8 f4e5 d7e5
e1e5 d8d6) -0.89/7 1} 16. d6 {(d5d6 e8f8 c4d5 a8a7 e1e5 c5c4 b3c4 d7e5 f4e5
b6b5) +2.64/10 4} Rf8 {(e8f8 f4e5 d7e5 e1e5 d8d6 a1e1) -0.99/6 1} 17. Bd5
{(c4d5 a8a7 f4e5 d7e5 e1e5 d8d6 g5f6 d6f6 e5e1 f6g5) +2.27/10 4} Ra7 {(a8a7
f4e5 d7e5 e1e5 d8d6 a1e1 f6d5 e5d5) -0.98/6 1} 18. fxe5 {(f4e5 d7e5 e1e5
d8d6 a1e1 b6b5 g5f6 g7f6 e5e8 f6c3) +1.98/10 4} Nxe5 {(d7e5 e1e5 d8d6 a1e1
a7d7 g5f6 g7f6) -0.88/6 2} 19. Rxe5 {(e1e5 d8d6 g5f6 g7f6 e5e3 f6e5 e3h3
b6b5 a1e1) +1.82/9 4} Qxd6 {(d8d6 f2f4 f6d5 e5d5 g7d4 g1h1 d6c7 a1e1)
-0.74/7 2} 20. Bxf6 {(g5f6 d6f6 e5e2 f6g5 d5g2 g7c3 b3c3 a6a5 c3b3 g5g4)
+1.73/10 4} Bxf6 {(g7f6 e5e3 f6e5 e3h3 f8e8 a1d1) -0.68/6 2} 21. Re3 {(e5e3
b6b5 c3e4 d6e5 e4f6 e5f6 e3f3 f6b6 a1d1 b5b4) +1.62/10 4} Be5 {(f6e5 e3h3
a7d7 a1d1 d6c7) -0.68/5 2} 22. Rh3 {(e3h3 f8d8 a1d1 e5d4 c3e4 d6e5 d5c6
b6b5 h3h4 b5b4) +1.60/10 4} Qd7 {(d6d7 h3d3 d7c7 h2h3 f8e8) -0.62/5 2} 23.
Rh4 {(h3h4 g6g5 h4e4 d7d6 h2h4 e5h2 g1f1 g5h4 e4h4 a6a5) +1.45/10 4} Bxc3
{(e5c3 b2c3 d7d8 h4e4 a7d7) -0.37/5 2} 24. bxc3 {(b2c3 g6g5 h4e4 b6b5 a1d1
d7h3 e4e3 h3f5 c3c4 b5b4) +1.42/10 4} Qf5 {(d7f5 d5g2 f8b8 h4e4 a7d7 a1e1)
-0.42/6 2} 25. Qc4 {(b3c4 a6a5 h4f4 f5g5 g1f1 a5a4 h2h4 g5e5 a1e1 e5d6
e1e4) +1.73/11 4} Rd7 {(a7d7 a1d1 h7h5 h4f4 f5g5 g1h1 g5h6) -0.28/6 2} 26.
Bc6 {(d5c6 d7d6 c6g2 b6b5 c4f4 f5f4 h4f4 d6d3 a1c1 g6g5 f4f6) +1.35/11 4}
Rd2 {(d7d2 h4f4 f5e5 c6g2 e5e2 a1b1) -0.02/6 2} 27. Qf4 {(c4f4 f8d8 c6e4
f5f4 h4f4 c5c4 f4f6 d8d6 f6d6 d2d6 a1e1) +1.50/11 4} Rxa2 {(d2a2 a1a2 f5b1
g1g2 b1a2 f4h6 f8d8 h6h7) +0.32/7 2} 28. Rxa2 {(a1a2 f5b1 g1g2 b1a2 f4h6
f8d8 h6h7 g8f8 c6e4 c5c4 h4f4) +1.98/11 4} Qb1+ {(f5b1 g1g2 b1a2 f4h6 f8d8
h6h7 g8f8 h4a4 a2e2) -0.11/7 2} 29. Kg2 {(g1g2 b1a2 f4h6 f8d8 h6h7 g8f8
h4e4 a2e6 e4e6 f7e6 h7g6 d8d6 c6e4 c5c4 e4f5 f8e7) +7.37/16 4} Qxa2 {(b1a2
f4h6 f8d8 h6h7 g8f8 h4a4 a2e2) -0.11/6 2} 30. Qh6 {(f4h6 f8d8 h6h7 g8f8
h7h8 f8e7 h4e4 e7d6 h8d8 d6c6 d8f8) +3.58/11 4} Rd8 {(f8d8 h6h7 g8f8 h4e4
a2e6 e4e6 f7e6 h7g6) -5.34/7 2} 31. Qxh7+ {(h6h7 g8f8 h7h8 f8e7 h8e5 a2e6
e5c7 d8d7 c6d7 e6d7 c7b6) +4.33/11 4} Kf8 {(g8f8 h4e4 a2e6 e4e6 f7e6 h7c7
d8d2 c7b6) -5.54/6 2} 32. Re4 {(h4e4 f7f5 h7e7 f8g8 e7d8 g8h7 e4a4 a2b3
d8e7 h7g8 a4a6 b3c3) +8.41/12 4} Qe6 {(a2e6 h7h8 f8e7 e4e6 f7e6 h8h4 e7d6
h4d8 d6c6 g2f3) -6.42/6 2} 33. Rxe6 {(e4e6 f7e6 h7g6 d8d1 g6e6 a6a5 c6b5
a5a4 b5a4 d1a1 e6d6 f8f7) +9.40/12 3} fxe6 {(f7e6 c6e4 d8d5 e4d5 e6d5 h7g6
d5d4 c3d4) -7.99/7 2} 34. Be4 {(c6e4 d8d5 e4d5 e6d5 h7g6 f8e7 g6b6 c5c4
b6a6 e7d7 a6f6 d7c7 f6f4) +10.39/13 3} Rd5 {(d8d5 e4d5 e6d5 h7g6 d5d4 c3d4
c5d4 g6b6) -8.07/7 2} 35. Bxd5 {(e4d5 e6d5 h7g6 b6b5 g6a6 b5b4 a6d6 f8e8
d6c6 e8f7 c6d5 f7g7 d5b7 g7f6) +11.87/14 4} exd5 {(e6d5 h7g6 b6b5 g6d6 f8e8
d6d5 b5b4 d5e4 e8d7 c3b4 c5b4 e4b4) -9.59/8 2} 36. Qxg6 {(h7g6 b6b5 g6d6
f8g8 d6d5 g8h7 d5f5 h7h6 f5f8 h6g5 f8c5 g5f4 c5b6 f4e4 b6a6 e4d3) +12.06/16
4} d4 {(d5d4 g6b6 f8e8 b6c5 d4c3 f2f4 a6a5 c5c3) -9.94/7 2} 37. Qd6+ {(g6d6
f8e8 c3d4 c5d4 d6d4 b6b5 d4b6 e8d7 b6a6 d7c7 a6b5 c7d6 b5f5 d6c6 g2f1 c6b6)
+12.43/16 3} Kf7 {(f8f7 d6b6 d4c3 b6c5 a6a5 f2f4 a5a4 c5c3) -9.73/7 2} 38.
Qxb6 {(d6b6 f7e8 c3d4 c5d4 b6d4 e8e7 d4a1 e7e6 a1a6 e6f5 a6b7 f5g4 b7f3
g4h4 g2g1) +12.22/15 3} dxc3 {(d4c3 b6a6 f7e7 a6c6 c5c4 c6c4 e7d6 c4c3)
-10.70/8 3} 39. Kg3 {(g2g3 a6a5 b6c5 f7e6 c5c3 e6d5 c3a5 d5e4 a5h5 e4d4
h5f3 d4c4 f3f4 c4c3 g3g2 c3c2) +12.44/16 3} c2 {(c3c2 b6c5 c2c1q c5c1 f7e6
c1h6 e6d5 h6a6 d5e4) -10.70/8 3} 40. Qxc5 {(b6c5 a6a5 c5c2 f7g7 c2a2 g7f6
a2a5 f6e6 a5h5 e6d6 h5f3 d6e5 f3f4 e5d5) +12.44/14 4} c1=Q {(c2c1q c5c1
f7e6 c1c4 e6f5 c4a6 f5e5 f2f4) -11.16/7 3} 41. Qxc1 {(c5c1 f7e6 g3g2 e6e5
c1a3 a6a5 a3a5 e5e4 a5h5 e4f4 h5d5 f4g4 g2f1 g4h3 f1g1) +12.26/15 4} Ke6
{(f7e6 f2f4 a6a5 h2h4 e6d5 c1a3 a5a4 a3a4) -11.58/7 3} 42. Qc6+ {(c1c6 e6e5
c6a6 e5d5 f2f4 d5e4 a6e2 e4f5 e2e5 f5g6 f4f5 g6g5 f5f6 g5g6 h2h4 g6f7 h4h5)
+13.37/17 3} Kf5 {(e6f5 c6a6 f5e4 a6c4 e4e5 f2f4 e5f6 h2h4 f6f5) -11.68/6
3} 43. f4 {(f2f4 a6a5 h2h4 a5a4 h4h5 a4a3 c6g6 f7g8 h5h6 g8h7 a5b6 h7g8
b6b1 g8f8 h6h7 f8g7) +M4/18 3} a5 {(a6a5 h2h4 a5a4 h4h5 a4a3 c6g6) -M3/7}
44. h4 {(h2h4 a5a4 h4h5 a4a3 c6g6 e6d6 f4f5 d6c7 f5f6) +M3/18 3} a4 {(a5a4
h4h5 a4a3 c6g6) -M2/5} 45. h5 {(h4h5 a4a3 c6g6 e6f5) +M2/18 3} a3 {(a4a3
c6g6) -M1/3} 46. Qg6# {(c6g6 f5e4) +M1/17 4} 1-0

[Event "Oli"]
[Site "DESKTOP-HFVHK2B"]
[Date "2022.02.01"]
[Round "2"]
[White "Tscp181"]
[Black "Bricabrac"]
[Result "0-1"]
[BlackElo "2200"]
[ECO "A70"]
[Opening "Benoni"]
[Time "11:48:30"]
[Variation "Classical, 7...Bg7"]
[WhiteElo "2200"]
[TimeControl "10+4"]
[Termination "normal"]
[PlyCount "174"]
[WhiteType "human"]
[BlackType "human"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.
Bb5+ {(f1d3 e8g8 e1g1 b8d7 c1e3) +0.91/5 1} Bd7 {(c8d7 d1b3 e8g8 b5d7 d8d7
e1g1 d7e7 c1g5 b8a6 b3a4 a6b4 a1d1 e7d8) -1.57/13 9} 9. Qd3 {(b5d3 f6g4
e1g1 g7c3 b2c3) +0.77/5 1} O-O {(e8g8 e1g1 d8e8 a2a4 b8a6 b5a6 b7a6 a4a5
e8c8 d3c4 f6g4) -1.41/11 8} 10. Bf4 {(c1f4 d7b5 d3b5 d8c7 e1g1 b8d7)
+0.65/6 1} Nxe4 {(f6e4 b5d7 b8d7 c3e4 g7b2 a1d1 d8a5 d3d2 a5a2 e1g1 d7e5)
-1.56/11 7} 11. Nxe4 {(c3e4 d8a5 d3d2 a5b5 f4d6 f8e8 d6b8 e8e4) +0.28/6 1}
Qa5+ {(d8a5 d3d2 a5b5 e4c3 g7c3 d2c3 f8e8 f4e3 c5c4 a1c1) +0.41/10 6} 12.
Qd2 {(d3d2 a5b5 e1c1 b5c4 d2c2 c4c2 c1c2 d7f5 d1e1) -0.59/6 1} Qxb5 {(a5b5
e4d6 b5b2 a1c1 b8a6 e1g1 a8b8 d6c4 b2d2 f3d2 b8e8) -0.21/11 5} 13. O-O-O
{(e1c1 b5c4 e4c3 g7c3 b2c3 c4a6 d1e1) -0.48/6 1} Qc4+ {(b5c4 e4c3 g7c3 b2c3
d7a4 f4d6 a4d1 f3e5 c4e4 h1d1) +1.15/10 5} 14. Nc3 {(e4c3 g7c3 b2c3 c4a6
d1e1 a6a3 c1b1 d7f5) -0.69/6 1} Bxc3 {(g7c3 b2c3 c4a6 d1e1 c5c4 f3d4 d7a4
e1e4 b8d7 h1e1 d7c5) +1.06/11 4} 15. bxc3 {(b2c3 c4a6 d1e1 d7g4 f3g5 a6a3
c1b1 g4f5) -0.74/7 1} Qa6 {(c4a6 f4h6 f8c8 d1e1 c5c4 e1e4 d7f5 e4f4 b8d7
f3d4 a6a3) +0.46/11 4} 16. Rde1 {(d1e1 d7g4 f3g5 a6a3 d2b2 a3b2 c1b2 f8d8)
-0.77/6 1} c4 {(c5c4 c1b2 f8c8 h1g1 d7f5 f3d4 b8d7 f4h6 f5d3 d2f4 d7e5)
+0.52/11 4} 17. Qb2 {(d2b2 f8c8 e1e7 c8c5 h1d1 f7f6) -0.40/6 1} Rc8 {(f8c8
e1d1 d7f5 h1e1 b8d7 f3d4 d7c5 d4f5 g6f5 f4h6) +0.63/10 4} 18. Re7 {(e1e7
c8c5 h1d1 f7f6 h2h4) -0.38/5 2} Rc5 {(c8c5 b2d2 a6a3 c1b1 a3a5 h1d1 d7a4
d1e1 c5d5 f3d4) +1.98/10 4} 19. Qd2 {(b2d2 a6a3 c1b1 c5b5 b1a1 d7g4 f3g5)
-0.69/5 2} Rb5 {(c5b5 f3e1 a6a3 c1d1 a3a5 f4e3 b5d5 e3d4 a5d8 d2e3)
+2.82/10 4} 20. Ne1 {(f3e1 a6a3 c1d1 b5b1 d1e2 b1b2 e1c2 a3a2) -1.88/5 2}
Qa3+ {(a6a3 c1d1 a3a5 d1c1 b5d5 d2b2 g8f8 e7e4 g6g5 f4e3 a5a6) +3.06/11 4}
21. Kd1 {(c1d1 b5b2 e1c2 a3a2 e7d7 b8d7 f4d6) -2.83/6 2} Qa5 {(a3a5 d1c1
b5d5 d2b2 d5b5 b2d2 a5a3 c1d1 b5b1 d1e2 d7g4) +3.11/11 4} 22. Kc1 {(d1c1
b5d5 d2b2 a5c7 e1f3 b8c6) -1.92/6 2} Rxd5 {(b5d5 d2b2 g6g5 f4e3 d5b5 b2d2
g5g4 e1c2 a5a2 d2d6) +3.22/10 4} 23. Qb2 {(d2b2 d5b5 b2d2 a5a3 c1d1 b5b2
e1c2 a3a2 f4d6) -2.38/6 2} Rb5 {(d5b5 b2d2 a5a3 c1d1 b5b1 d1e2 d6d5 e7e3
b1b2 e1c2) +3.78/10 4} 24. Qa1 {(b2a1 a5a3 c1d2 b5b2 e1c2 b2a2 a1c1 a2b2)
-3.12/6 2} Qa3+ {(a5a3 c1d2 b5b2 e1c2 b2a2 a1c1 a3c5 d2e1 g6g5 f4e3 c5d5)
+4.23/11 4} 25. Kd2 {(c1d2 d6d5 e7e5 b5b2 e1c2 b2a2 a1b1) -3.50/5 2} d5
{(d6d5 e7e3 b5b2 e1c2 b8c6 h1e1 b2a2 a1c1 a3c5 c1b1) +4.84/10 4} 26. Re5
{(e7e5 b5b2 e1c2 d7a4 h1c1 b2a2 a1b1 a4c2 c1c2) -3.44/6 2} Rb2+ {(b5b2 e1c2
d7a4 h1c1 b2a2 e5d5 a2c2 d2e1 c2a2 d5d8 g8g7) +5.82/11 4} 27. Nc2 {(e1c2
d7a4 h1c1 b2a2 e5d5 a4c2 f4d6) -5.55/6 2} d4 {(d5d4 d2c1 b2a2 c2a3 a2a1
a3b1 d4c3 e5e3 d7f5 e3e8) +5.99/10 4} 28. Kc1 {(d2c1 b2a2 c2a3 a2a1 a3b1
d4c3 e5e7 d7c6) -6.09/6 2} Rxa2+ {(b2a2 c2a3 a2a1 a3b1 d4c3 e5e3 d7f5 e3e8
g8g7 f4e5 g7h6) +5.96/11 4} 29. Nxa3 {(c2a3 a2a1 a3b1 d4c3 c1c2 d7c6 c2c3
c6g2 h1e1) -5.81/7 2} Rxa1+ {(a2a1 a3b1 d4c3 h1d1 d7a4 d1d8 g8g7 e5e7 b8c6
f4e5 c6e5 d8a8) +5.74/12 4} 30. Nb1 {(a3b1 d4c3 c1c2 b8c6 e5c5 d7f5 c2c3
f5b1 c5c4) -5.69/7 2} dxc3 {(d4c3 h1d1 g8g7 d1d4 b7b5 c1c2 d7f5 e5f5 g6f5
d4d8 a1a2 c2c3) +5.83/12 4} 31. Rd1 {(c1c2 b8c6 e5c5 d7f5 c2c3 f5b1 c5c4)
-5.69/6 2} Kg7 {(g8g7 d1d4 b7b5 c1c2 d7f5 e5f5 g6f5 d4d8 a1a2 c2c3 a2f2)
+5.68/11 4} 32. Re7 {(e5e7 g7f6 d1e1 d7c6 e7e3 b7b5 e3c3 c6g2) -5.40/6 2}
Kf6 {(g7f6 d1d7 b8d7 e7d7 b7b6 c1c2 g6g5 f4g5 f6g5 d7d5 g5f4 b1c3) +4.73/12
3} 33. Rde1 {(d1e1 d7c6 g2g4 b7b5 f4e5 f6e7 e5c3 e7d6 c3a1) -4.93/7 2} Bc6
{(d7c6 e7e3 c6g2 f4e5 f6f5 e5c3 a1a2 e3e5 f5f4 e5c5 a2f2 c5c4) +4.68/12 4}
34. R7e3 {(g2g4 b8d7 g4g5 f6f5 e7f7 f5g4 h2h3 g4f3 e1e7) -4.87/6 2} Ra2
{(a1a2 f4e5 f6g5 e3g3 g5f5 g3c3 a2f2 c3c4 b8d7 g2g4 f5g5 b1c3 d7e5)
+4.32/13 4} 35. Be5+ {(f4e5 f6f5 e3c3 b7b5 c3a3 a2f2 e5b8 a8b8 a3a7 c6g2
a7f7) -4.55/6 2} Kg5 {(f6g5 e1e2 a2e2 e3e2 b8d7 e5c3 c6d5 b1d2 g5f4 e2e3
a8d8 c3g7 g6g5 e3c3 d7b6) +4.12/15 4} 36. Rxc3 {(e3c3 b7b5 f2f4 g5f5 c3h3
f7f6 e5d4 a2g2 h3h7) -4.47/6 2} Rxf2 {(a2f2 c3c4 b8d7 e5d6 c6g2 d6e7 d7f6
b1c3 g5f5 c4c5 f5g4) +4.57/11 3} 37. Rxc4 {(c3c4 f2g2 c4d4 b8d7 e5f4 g5h4
b1c3) -4.29/6 2} Rxg2 {(f2g2 b1c3 b8d7 e5f4 g5f5 e1f1 d7b6 f4e3 f5e6 e3b6
a7b6) +4.56/11 4} 38. Bf4+ {(e5f4 g5f5 f4e5 g6g5 b1c3 b7b5 c4d4) -4.27/6 3}
Kh5 {(g5h5 b1c3 g6g5 f4d6 b8d7 c3e4 g5g4 d6f4 f7f5 e4g3 h5g6 e1e6 g6f7
e6e3) +5.25/14 4} 39. Re7 {(e1e7 g6g5 f4b8 a8b8 e7f7 g2h2 f7h7) -3.60/6 3}
g5 {(g6g5 f4d6 g2g1 c1c2 h5g6 b1c3 g5g4 c4f4 g1g2 c2b3 g4g3 h2g3) +5.22/12
3} 40. Bxb8 {(f4b8 a8b8 e7f7 h5g6 f7e7 g2h2 b1c3) -4.52/7 3} Rxb8 {(a8b8
e7f7 h5g6 f7e7 g2h2 b1c3 h2h1 c1c2 b8d8 e7e3 g6f5 c3e4) +6.01/12 3} 41.
Rxf7 {(e7f7 h5g6 f7e7 g2h2 b1c3 h7h5 e7c7) -4.94/7 3} Kg6 {(h5g6 f7e7 g2h2
b1c3 h2h1 c1d2 c6e8 c4d4 h1h2 d2d3 h2h3 d3c2 h3h1) +6.00/13 3} 42. Re7
{(f7e7 g2h2 b1c3 b8f8 c3d1 h7h5 d1c3) -5.09/7 3} Rxh2 {(g2h2 b1c3 h2h1 c1c2
g6f6 e7e2 b8d8 c3e4 f6g6 e2g2 d8d5 g2d2) +6.01/12 3} 43. Nc3 {(b1c3 h7h5
c4c5 h2h1 c1d2 b8d8 d2c2 h1h2 c2c1 d8d2) -5.29/7 3} Rf8 {(b8f8 e7e6 f8f6
e6f6 g6f6 c3e4 f6f5 e4g3 f5g6 c4d4 c6b5) +6.00/11 3} 44. Re6+ {(c4c5 h7h5
e7e6 f8f6 e6e7 f6f1 c3d1 h2f2) -5.39/6 3} Kh5 {(g6h5 c4d4 g5g4 e6e5 h5h4
e5e1 h4h3 e1e7 f8f1 d4d1 f1d1 c3d1 h3g2 d1e3) +6.42/14 4} 45. Nd1 {(c3d1
a7a5 c4c5 a5a4 e6e7 h7h6 d1c3) -5.41/7 3} Rh1 {(h2h1 e6e7 h5g6 c4d4 g6f5
e7g7 f5f6 g7c7 h1h3 d1f2 h3c3) +6.30/11 3} 46. Re7 {(e6e7 h7h6 c4d4 a7a5
e7c7 c6f3 c1c2 f3d1 d4d1 h1d1 c2d1) -5.51/7 3} Kg6 {(h5g6 e7e6 g6f5 e6e2
f8d8 e2f2 f5g6 f2d2 d8d2 c1d2 c6d5 c4d4 h1h2) +6.42/13 4} 47. Rd4 {(c4d4
c6f3 c1c2 h7h5 d1f2 h1h2) -5.39/6 3} Bf3 {(c6f3 c1c2 h1h2 c2b1 g5g4 d4d6
f8f6 e7e6 f3e4 b1c1 f6e6) +6.50/11 3} 48. Rc7 {(e7c7 h7h5 c1c2 h1h2 c2c1
a7a5 d4d6 f8f6 d6d7 f3d1 c1d1) -5.65/7 3} g4 {(g5g4 c7c3 g4g3 d4d6 g6g5
c3c5 g5f4 d6d4 f3e4 c5c4 h1e1 d4d6) +7.13/12 3} 49. Rd6+ {(d4d6 f8f6 d6d7
f6c6 c7c6 f3c6 d7e7 h7h5 c1d2 a7a5) -5.84/7 3} Rf6 {(f8f6 d6d7 g4g3 d7g7
g6f5 g7g3 f3d1 g3g7 d1a4 c1b2 f6b6 b2a2 a4b3 a2b2 b3c4) +7.51/15 4} 50. Rd8
{(d6d8 g4g3 c7c2 f3d1 d8d1 h1d1 c1d1 h7h5) -6.02/7 3} g3 {(g4g3 d8g8 g6h6
g8g3 f3d1 g3g7 d1f3 c1b2 h1h2 b2a3 f6a6 a3b4) +7.72/12 3} 51. Rg8+ {(d8g8
g6f5 g8g3 f3d1 c1d2 f6d6 d2c3 f5f4 g3g7) -6.71/7 3} Kh6 {(g6h6 g8g3 f3d1
c1d2 d1f3 g3g7 f3e4 g7e7 h1h4 d2e1 f6b6 e1f2 b6b1 f2e3 b1e1 e3d4) +7.92/16
4} 52. Rxg3 {(g8g3 h1d1 c1c2 d1h1 g3g7 f3e4 c2d2 a7a5 c7f7) -6.69/7 3} Bxd1
{(f3d1 c1d2 d1f3 d2d3 f3c6 d3d2 h1h2 d2c3 c6e4 c3d4 f6e6 g3g8) +7.96/12 3}
53. Kd2 {(c1d2 h1h2 d2e1 d1h5 c7e7 h2h1 e1d2 f6f2 d2e3 f2e2) -6.64/7 3}
Rf2+ {(f6f2 d2e3 f2e2 e3d4 h1h4 d4d5 e2b2 g3a3 d1b3 d5e5 b2e2 e5f6 h4f4)
+8.03/13 3} 54. Ke3 {(d2e3 f2e2 e3d3 e2a2 g3g7 h1h3 d3e4 d1c2 e4d4 h3d3)
-6.54/6 3} Re2+ {(f2e2 e3d3 e2b2 d3c4 h1h5 g3d3 d1e2 c4c3 e2d3 c3b2 d3e4
c7e7 h5b5) +7.89/13 3} 55. Kd4 {(e3d4 e2d2 d4e3 d2b2 g3g7 h1h3 e3e4 d1c2
e4d4 h3d3) -6.54/6 3} Rh4+ {(h1h4 d4c5 e2e5 c5d6 e5b5 c7c3 d1e2 c3a3 b5b6
d6e5 h4h5 e5e4 b6b4) +7.95/13 3} 56. Kd3 {(d4d3 e2b2 g3g7 h4h3 d3e4 b2e2
e4d5 e2d2 d5e5 h3e3) -6.59/6 3} Ra2 {(e2a2 d3e3 a2a3 e3f2 h4f4 f2g2 d1f3
g2g1 a3a1 g1f2 f3e4 f2e3 a1f1) +8.11/13 4} 57. Ke3 {(d3e3 a2a3 e3f2 h4f4
f2g2 d1f3 g2g1 a3a1 g1f2 f3e4 f2e3 a1f1) -6.79/7 3} Rb4 {(h4b4 g3h3 d1h5
h3h1 b4b3 e3d4 a2a4 d4e5 a4a5 e5f4 b3b4 f4e3 a5e5) +8.11/13 4} 58. Rgg7
{(g3g7 b4b3 e3d4 a2a4 d4e5 b3b5 e5f6 a4f4 f6e6 d1b3 e6d6 b5d5) -6.49/7 3}
Rb3+ {(b4b3 e3d4 a2d2 d4c4 b7b5 c4c5 d2c2 c5d4 b3b4 d4d5 d1f3 d5d6 c2d2
d6e6) +7.94/14 3} 59. Kd4 {(e3d4 a2d2 d4e5 b3b5 e5f4 b5b4 f4e3 d2e2 e3d3
b4b3 d3d4 b3b4) -6.44/6 3} Ra4+ {(a2a4 d4c5 b3c3 c5b5 a7a6 b5b6 c3c7 g7c7
d1f3 c7c2 a4b4 b6a5 b4h4 c2f2) +7.86/14 4} 60. Kc5 {(d4c5 b3c3 c5d6 c3c7
g7c7 b7b5 d6c5 b5b4) -6.23/6 3} Rc3+ {(b3c3 c5b5 c3c7 g7c7 a7a6 b5c5 d1f3
c7f7 a4a5 c5b6 a5b5 b6a7 f3e4 f7f6) +7.58/14 3} 61. Kb5 {(c5b5 a7a6 b5b6
a4b4 b6a7 c3c7 g7c7 d1f3 c7f7 f3e4) -6.38/7 3} a6+ {(a7a6 b5b6 a4b4 b6a7
c3c7 g7c7 d1f3 c7f7 f3c6 f7f6 h6g5 f6c6 b7c6 a7a6 c6c5) +7.79/15 4} 62. Kb6
{(b5b6 a4b4 b6a7 c3c7 g7c7 d1f3 c7f7 f3e4 f7f6 h6g7 f6f4) -6.58/8 3} Rb4+
{(a4b4 b6a7 c3c7 g7c7 d1f3 c7f7 f3e4 f7f6 h6g7 f6d6 a6a5 d6d7 g7f6 d7d6)
+7.91/14 3} 63. Ka7 {(b6a7 c3c7 g7c7 d1f3 c7f7 f3e4 f7c7 a6a5 a7b8) -6.59/8
3} Rxc7 {(c3c7 g7c7 d1f3 c7c5 f3c6 c5f5 h6g6 f5e5 b4e4 e5a5 h7h5 a5a2 h5h4
a2h2) +7.64/14 3} 64. Rxc7 {(g7c7 d1f3 c7f7 f3e4 a7b8 h6g5 b8c7 b4c4 c7d6
b7b5) -6.77/9 3} a5 {(a6a5 c7e7 a5a4 e7e6 h6g5 e6e5 g5f6 e5d5 d1f3 d5d3
f3e4 d3h3 f6e5 a7a8) +8.02/14 3} 65. Re7 {(c7e7 d1f3 e7e6 h6g7 e6e7 g7g6
e7e6 g6f7 e6e3 f3d5 a7b8) -6.89/8 3} Bh5 {(d1h5 e7e3 a5a4 e3e6 h5g6 e6e3
g6f5 a7b8 h6g5 e3e7 b7b5 e7e3 g5f4 e3c3) +8.13/14 3} 66. Re6+ {(e7e6 h5g6
e6b6 h6g5 b6b7 b4b7 a7b7 a5a4 b7c6 h7h5) -6.05/8 3} Bg6 {(h5g6 e6e7 g6e4
e7e6 h6g7 e6e5 a5a4 e5g5 g7f6 g5a5 e4f5 a7b8 f6g5 b8c7 g5g4 c7d6 g4f4)
+8.30/17 3} 67. Kb8 {(e6b6 b4b6 a7b6 a5a4 b6b7 h6g5 b7c6 h7h5) -6.05/8 3}
Rb3 {(b4b3 b8a8 a5a4 e6e2 a4a3 e2h2 h6g5 h2g2 g5f4 g2f2 f4e3 f2h2 g6f5
a8a7) +8.74/14 3} 68. Re7 {(b8a7 a5a4 e6b6 b3b6 a7b6 g6e4 b6c5 a4a3)
-6.96/8 3} a4 {(a5a4 e7e2 a4a3 e2h2 h6g5 h2g2 g5f4 g2h2 f4g3 h2e2 g6f5 b8a7
g3h3 e2f2) +8.83/14 3} 69. Kc7 {(b8c7 a4a3 e7e1 b7b5 c7d6 a3a2 d6d5 b5b4)
-7.48/8 3} a3 {(a4a3 e7e2 b3b2 e2e1 a3a2 e1h1 h6g5 h1g1 g5f6 g1f1 g6f5 f1d1
f5e4 c7d6) +9.69/14 3} 70. Re2 {(e7e2 b3b2 e2e1 b7b5 c7d6 a3a2 d6d5 b5b4)
-7.68/8 3} Rb2 {(b3b2 e2e3 a3a2 e3a3 g6d3 a3a4 h6g5 a4a3 g5f4 a3a4 f4e3
c7b8 e3d2 b8a7) +9.90/14 4} 71. Re3 {(e2e3 a3a2 e3a3 b7b5 c7d6 h6g5 a3g3
g5f4 g3g1) -7.86/8 3} a2 {(a3a2 e3h3 g6h5 h3a3 h5f3 c7d6 b2c2 d6e5 h6g5
a3a8 f3c6 e5d4 g5g4 d4e3) +10.06/14 3} 72. Ra3 {(e3a3 h6g5 a3a7 h7h5 c7d6
b2d2 d6c5 h5h4) -7.95/7 3} b5 {(b7b5 a3h3 h6g7 h3a3 b5b4 a3a7 b4b3 c7b8
g7f8 a7a4 b2c2 a4f4 f8e7 f4f1) +10.85/14 4} 73. Rh3+ {(c7d6 b5b4 a3a4 h6g5
a4a7 b2d2 d6c5 b4b3) -8.20/7 3} Kg7 {(h6g7 h3a3 b5b4 a3a7 b4b3 c7d6 g7f6
a7a4 g6f5 d6d5 b2c2 a4a6 f6g5 a6a3 c2c1 d5e5 a2a1q a3a1 c1a1) +12.91/19 3}
74. Ra3 {(h3a3 g6f7 a3g3 g7f6 g3a3 b2b1 c7b6 a2a1q a3a1 b1a1 b6b5) -9.15/8
3} b4 {(b5b4 a3a7 b4b3 c7b6 g7f6 a7a6 b2c2 b6b5 f6e5 a6a7 g6d3 b5b6 b3b2)
+11.70/13 3} 75. Ra7 {(a3a7 b4b3 c7d6 g6f7 d6c5 b2b1 c5d4 a2a1q a7a1 b1a1)
-10.63/7 3} Kh6 {(g7h6 c7b6 b4b3 a7a4 b2b1 a4h4 h6g5 h4a4 a2a1q a4a1 b1a1
b6b5 b3b2) +13.50/13 4} 76. Kd6 {(c7b6 b4b3 b6b5 b2b1 b5b4 a2a1q a7a1 b1a1
b4b3) -9.05/7 3} Rd2+ {(b2d2 d6e6 b4b3 a7a5 d2d1 a5a6 b3b2 a6a2 b2b1q a2h2
h6g5 h2g2 g5f4 g2h2) +14.34/14 3} 77. Ke6 {(d6e6 b4b3 a7a4 d2d1 e6f6 a2a1r
a4a1 d1a1) -10.83/7 3} b3 {(b4b3 e6e7 d2d1 a7a4 b3b2 a4a2 d1e1 e7d6 b2b1q
a2h2 h6g5 h2g2 g5f4 g2h2) +14.40/14 4} 78. Ke5 {(a7a4 d2d1 a4h4 h6g5 h4a4
g6f5 e6e5 b3b2 a4g4 g5g4) -13.55/7 3} Bb1 {(g6b1 a7a6 h6g5 a6a3 b3b2 a3g3
g5h4 g3g1 d2e2 e5d6 a2a1q g1h1 h4g3 d6c5) +17.63/14 3} 79. Kf4 {(e5f4 b3b2
a7a6 b1g6 a6a2 d2d4 f4e3 d4d3 e3e2 b2b1q) -13.47/7 3} b2 {(b3b2 a7a6 h6h5
a6a5 h5h4 a5a6 h7h5 f4e3 d2d3 e3f2 a2a1q a6e6 a1a4 f2f1) +17.29/14 3} 80.
Ra6+ {(a7a6 h6h5 a6a5 h5h4 a5a6 d2f2 f4e3 h4g3 a6e6 a2a1q e6e7) -15.68/8 3}
Kh5 {(h6h5 a6a5 h5h4 a5a6 d2f2 f4e3 h4g3 a6a5 a2a1q a5g5 g3h4 g5c5 b1d3
e3f2 a1f1 f2e3 b2b1q c5c6) +18.36/18 3} 81. Ra5+ {(a6a5 h5h4 a5a6 d2f2 f4e3
f2g2 e3f3 g2g3 f3e2 b1d3 e2e1 a2a1q) -15.61/8 3} Kh4 {(h5h4 a5a6 d2d4 f4e3
d4e4 e3d2 a2a1q a6h6 h4g3 h6h5 b1d3 h5d5 b2b1q d5d3 g3f2 d3d5 a1f6)
+19.96/17 3} 82. Ra6 {(a5a6 d2d4 f4e3 a2a1q e3d4 b1a2 a6h6 h4g5 h6h7 b2b1q)
-16.42/8 3} Bg6 {(b1g6 f4e3 d2d3 e3f2 b2b1q a6a4 h4h3 a4c4 b1b6 c4c5 b6c5
f2f1 c5e5 f1f2 d3d4 f2f1) +29.36/16 3} 83. Rxa2 {(a6a2 b2b1q a2a4 b1e1 f4f3
h4h3 a4h4 h3h4 f3f4 h7h5) -19.75/8 3} b1=Q {(b2b1q a2a4 b1b3 f4e5 b3a4 e5e6
a4c6 e6e5 c6d6 f6e6 a4c4) +M5/14 4} 84. Ra4 {(a2a4 b1e1 f4f3 h4h3 a4h4 h3h4
f3f4 e1e4) -M4/7 2} Qe1 {(b1e1 f4f3 h4h3 a4h4 e1h4 f3e3 h4f2 e5e6) +M4/14
3} 85. Kf3+ {(f4f3 h4h3 a4h4 h3h4 f3f4 e1e4) -M3/5} Kh3 {(h4h3 a4h4 e1h4
f3e3 h4f2) +M3/20 3} 86. Rh4+ {(a4h4 h3h4 f3f4 d2f2) -M2/4} Kxh4 {(h3h4
f3f4 e1g3) +M2/23 3} 87. Kf4 {(f3f4 d2f2) -M1/3} Qe4# {(e1e4) +M1/16 3} 0-1

[Event "Oli"]
[Site "DESKTOP-HFVHK2B"]
[Date "2022.02.01"]
[Round "3"]
[White "Bricabrac"]
[Black "Tscp181"]
[Result "1-0"]
[BlackElo "2200"]
[ECO "A90"]
[Opening "Dutch"]
[Time "11:58:45"]
[Variation "Dutch-Indian, 5.Bd2"]
[WhiteElo "2200"]
[TimeControl "10+4"]
[Termination "normal"]
[PlyCount "147"]
[WhiteType "human"]
[BlackType "human"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ {(d7d5 g1f3 d5c4 d1a4 b8c6 a4c4)
+0.41/5} 5. Bd2 {(c1d2 b8a6 d1a4 c7c5 d2b4 c5b4 a2a3 b4a3 b1a3 e8g8 g1f3
d7d5 e1g1 c8d7 a3b5) -0.18/15 6} Bxd2+ {(b4d2 b1d2 d7d5 g1f3 b8c6 e1g1
e8g8) +0.13/6} 6. Nxd2 {(b1d2 d7d5 g1f3 b8c6 e1g1 e8g8 c4c5 c8d7 e2e3 c6e7
a2a4 f6e4 a1a3 e4d2 f3d2) +0.20/15 5} d5 {(d7d5 g1f3 b8c6 e1g1 e8g8 e2e3)
-0.09/6} 7. Ngf3 {(g1f3 e8g8 e1g1 b8d7 c4c5 f6e4 e2e3 e4c5 d4c5 d7c5 f3e5)
+0.13/11 5} Nc6 {(b8c6 e1g1 e8g8 e2e3 c8d7 c4c5) +0.08/6 1} 8. e3 {(e2e3
e8g8 e1g1 c6b4 d1b3 a7a5 f3e5 f6e4 d2e4 f5e4 c4d5) +0.33/11 5} O-O {(e8g8
e1g1 c8d7 d1b3 d8c8 c4c5) +0.08/6 1} 9. c5 {(c4c5 a7a5 d1a4 f6e4 e1g1 c6e7
a1e1 e7g6 a4b3 a5a4) +1.37/10 4} Re8 {(f8e8 d1b3 e6e5 d4e5 c6e5 e1c1)
+0.19/6 1} 10. Qa4 {(d1a4 e6e5 e1g1 e5e4 f3g5 c6e7 a4b3 e7g6 f2f3 g8h8
f3e4) +1.03/11 4} Bd7 {(c8d7 a4b3 d8b8 b3c3 f6e4 d2e4 d5e4) +0.21/6 1} 11.
Qb3 {(a4b3 e6e5 f3e5 c6e5 d4e5 e8e5 b3b7 a8b8 b7a7 b8b2) +1.59/10 4} Rb8
{(a8b8 b3a3 a7a6 a3c3 f6e4 d2e4 d5e4) +0.22/6 1} 12. Qa3 {(b3a3 b7b6 d2b3
e6e5 f3e5 c6e5 d4e5 e8e5 a3a7 b6c5) +1.17/10 4} a6 {(a7a6 a3c3 f6e4 d2e4
d5e4 f3d2) +0.27/6 1} 13. O-O {(e1g1 e6e5 a1e1 e5e4 f3g5 a6a5 f2f3 f6g4
g5e4 f5e4 f3g4) +1.41/11 4} e5 {(e6e5 d4e5 c6e5 f3e5 e8e5 a1d1) +0.35/6 1}
14. Nxe5 {(f3e5 c6e5 d4e5 e8e5 d2f3 e5e4 f3d4 e4e5 a1c1 d7b5 d4b5) +0.65/11
4} Nxe5 {(c6e5 d4e5 e8e5 d2f3 e5e6 a1d1) +0.30/6 1} 15. dxe5 {(d4e5 e8e5
a3c3 e5e6 c3d3 e6e5 d3d4 d8e7 d2f3 e5e6) +0.41/10 4} Rxe5 {(e8e5 f1d1 e5e7
d2f3 d7c6 f3d4) +0.30/6 1} 16. Nf3 {(d2f3 e5e8 f3d4 d8e7 a1c1 f6e4 a3b3
e7f7 g2f3 a6a5) +0.79/10 4} Re7 {(e5e7 f3d4 d8f8 a3a5 b8c8 a1d1) +0.25/6 1}
17. Nd4 {(f3d4 f6e4 a3b3 c7c6 f1c1 d8a5 b3b6 a5d2 c1c2 d2d3) +0.63/10 4}
Bb5 {(d8f8 a1d1 e7e5 a3a5 b8c8) +0.25/5 1} 18. Rfc1 {(f1c1 d8d7 a3b3 b8d8
a2a4 b5c6 d4c6 d7c6 a4a5 f6e4) +1.10/10 4} Qd7 {(d8d7 g2h3 g7g6 c1d1 b8e8
h3g2) +0.21/6 1} 19. Qb3 {(a3b3 e7e8 d4b5 a6b5 g2f1 c7c6 f1e2 f6e4 g1f1)
+0.92/9 4} Rbe8 {(b8e8 b3c2 e7e5 c5c6 b7c6 d4c6 b5c6 c2c6) +0.26/6 2} 20.
a4 {(a2a4 b5c6 a4a5 f6e4 b3a2 e8a8 g2h3 e7f7 d4c6 d7c6) +1.06/10 4} Bc6
{(b5c6 b3a3 e7e5 b2b4 f6e4 g2e4 e5e4) +0.39/6 2} 21. Bh3 {(g2h3 e7e5 a4a5
c6b5 b3c2 g7g6 c2b3 f6e4 d4b5 a6b5) +1.26/10 4} Re5 {(e7e5 b3c2 g7g6 h3g2
f6e4 b2b4) +0.35/6 2} 22. a5 {(a4a5 f6g4 b3a2 g8f7 h3g2 c6b5 a2b3 g4f6 d4f3
e5e6) +1.21/10 4} R8e7 {(e8e7 b3c2 g7g6 h3g2 f6e4 c1d1) +0.36/6 2} 23. Qc2
{(b3c2 g7g6 c2b3 c6b5 d4b5 d7b5 b3a2 g6g5 h3f1 b5c6) +1.45/10 4} g6 {(g7g6
h3g2 h7h6 c1d1 f6e4 g2e4 e5e4) +0.29/6 2} 24. Nf3 {(d4f3 e5e4 c2b3 c6b5
h3g2 e4c4 g2f1 c4c1 a1c1 b5f1) +1.33/10 3} Re4 {(e5e4 f3d4 h7h6 h3g2 e4e5
c1d1) +0.32/6 2} 25. Qb3 {(c2b3 c6b5 f3d4 c7c6 d4b5 c6b5 c5c6 b7c6 h3f1
g6g5) +1.42/10 4} R4e6 {(e4e6 f3d4 e6e5 h3g2 f6e4 g2e4 e5e4) +0.37/6 2} 26.
Nd4 {(f3d4 e6e4 h3f1 e7e8 f1d3 e4g4 c1d1 g8f7 d4c6 d7c6) +1.63/10 4} Re5
{(e6e5 h3g2 f6e4 g2e4 e5e4 c1d1) +0.27/6 2} 27. Bg2 {(h3g2 c6b5 g2f1 b5c6
f1d3 f6e4 d4f3 e5e6 g1f1 g6g5) +1.48/10 4} h6 {(h7h6 c1d1 d7e8 d1d2 e8d7
a1d1) +0.22/6 2} 28. Rc3 {(c1c3 f6e4 f2f4 e5e6 d4e6 e4c3 e6c7 e7e3 b2c3
d7c7) +1.73/10 3} Qe8 {(d7e8 c3d3 f6e4 g2e4 f5e4 d3d2) +0.18/6 2} 29. Kf1
{(g1f1 f6e4 c3c2 e4f6 d4f3 e5e4 c2c1 c6b5 f1e1 g6g5) +1.66/10 3} Ne4 {(f6e4
g2e4 e5e4 f1g1 e8d7 c3d3) +0.29/6 2} 30. Rc2 {(c3c2 g8g7 f2f3 e4g3 h2g3
e5e3 b3b4 h6h5 g3g4 c6b5 d4b5) +1.18/11 4} Rf7 {(e7f7 f1g1 e4f6 g2f3 f7e7
c2d2) +0.27/6 2} 31. Bf3 {(g2f3 h6h5 f3e2 f7f6 e2d3 f6f7 d4f3 e5e6 f1e1
g8g7) +1.63/10 3} Ng5 {(e4g5 f1g1 f7e7 c2d2 g5f3 d4f3 e5e6) +0.34/6 2} 32.
Be2 {(f3e2 g5e6 d4f3 e5e4 c2c3 h6h5 e2d3 d5d4 e3d4 e6d4 f3d4) +1.51/11 4}
Ne6 {(f7e7 e2d3 g5h3 f1g2 h3g5 g2g1) +0.32/6 2} 33. Qb4 {(b3b4 e5e4 e2f3
e4e5 d4c6 e8c6 f1g1 e6g5 f3e2 h6h5) +1.50/10 4} Nxd4 {(e6d4 e3d4 e5e6 e2d3
c6b5 d3b5 a6b5) +0.60/7 2} 34. Qxd4 {(b4d4 h6h5 e2f3 g8h7 f1e1 h7h6 d4h4
c6b5 e1d2 e8c6) +1.00/10 3} Re4 {(e5e4 d4c3 e8e5 c3e5 e4e5 f1g1) +0.45/6 2}
35. Qd3 {(d4d3 g6g5 c2c1 g5g4 d3b3 e8d7 f1e1 c6b5 f2f3 b5c4 b3b7) +0.65/11
3} Qe6 {(e8e6 f1g1 f7e7 a1d1 d5d4 e2f3) +0.38/6 2} 36. Qb3 {(d3b3 e6d7 c2d2
d7e7 a1c1 g6g5 e2f3 e4c4 c1c4 d5c4) +1.16/10 4} Qd7 {(e6d7 c2c1 d5d4 e2c4
c6b5 f1g1 b5c4 c1c4) +0.40/6 2} 37. Rcc1 {(c2c1 g6g5 e2f3 c6b5 f1e1 e4c4
c1d1 b5c6 a1c1 c4c1) +1.46/10 3} Re5 {(f7e7 f1g1 d7e6 e2d3 e4e5 c1d1)
+0.34/6 2} 38. f4 {(f2f4 e5e4 e2f3 c6b5 f1f2 e4c4 f3e2 c4c1 a1c1 b5e2)
+1.25/10 3} Re6 {(e5e6 f1g1 f7e7 c1c3 d7e8 e2f3 e8d8) +0.45/7 2} 39. Bf3
{(e2f3 f7e7 c1c3 g6g5 g3g4 d5d4 f3c6 d7c6 e3d4 f5g4) +1.24/10 3} Bb5+
{(c6b5 f1g2 c7c6 g2g1 f7e7 c1c3 b5c4) +0.40/6 2} 40. Kg2 {(f1g2 b5c4 b3b7
e6e3 c1d1 c7c6 b7d7 f7d7 d1e1 d7e7 g2f2 e3e1 a1e1) +0.92/13 3} c6 {(c7c6
c1c3 f7e7 g2g1 b5c4 b3a3 d7d8) +0.40/7 3} 41. Qc3 {(b3c3 b5c4 b2b3 c4b5
g3g4 d7e8 g2f2 e8a8 g4g5 h6g5 f4g5) +0.96/11 4} Rfe7 {(f7e7 c1e1 d7e8 a1a3
b5c4 g2g1) +0.40/6 3} 42. Re1 {(c1e1 g6g5 f4g5 h6g5 g3g4 f5f4 e3f4 e6e1
a1e1 e7e1 c3e1) +0.93/11 3} Qe8 {(e7e8 g2g1 d7g7 c3g7 g8g7 a1a3 g7g8)
+0.38/6 3} 43. Kf2 {(g2f2 h6h5 a1d1 e8a8 d1d4 b5c4 f2g1 g8f7 e3e4 f5e4
f3e4) +0.82/11 4} g5 {(g6g5 f4g5 h6g5 h2h4 g5g4 f3g2) +0.41/6 3} 44. g4
{(g3g4 f5g4 f3g4 e6e4 g4f5 e4c4 c3f6 c4c5 f4g5 h6g5) +1.06/10 4} fxg4
{(f5g4 f3g4 e6e4 g4f3 e4c4 c3f6 c4c2) +0.86/7 3} 45. Bxg4 {(f3g4 e6e4 g4f5
e4c4 c3f6 c4c5 f4g5 h6g5 f6g5 g8f7) +1.24/10 3} Re4 {(e6e4 g4f5 e4c4 c3f6
c4c5 f6h6 g5f4 e3f4) +0.57/7 3} 46. Qd2 {(c3d2 e4c4 b2b4 g5f4 e3f4 e8f7
e1e7 f7e7 g4f5 d5d4) +1.05/10 3} gxf4 {(g5f4 e3f4 e8f8 f2f3 e4e1 a1e1 e7e1
d2e1 f8c5) +0.94/6 3} 47. exf4 {(e3f4 e8f8 e1c1 e4f4 f2g3 e7e4 g4e6 g8g7
d2c3 d5d4 c3b3) -0.01/11 3} Qf8 {(e8f8 g4f3 e4e1 a1e1 e7e1 f2e1 f8c5)
+0.99/7 3} 48. Kg3 {(f2g3 h6h5 g4h5 e7g7 g3f3 f8c5 f4f5 e4e1 a1e1 d5d4
h5g6) +0.77/11 3} Rxe1 {(e4e1 a1e1 e7g7 g3h4 f8c5 g4e6 g8h8 f4f5) +1.25/7
3} 49. Rxe1 {(a1e1 e7e1 d2e1 f8c5 e1e6 g8g7 e6d7 g7f6 d7b7 c5b4 b7h7)
+0.62/11 3} Rg7 {(e7g7 g3h4 f8c5 e1e8 g8f7 g4h5 f7f6 e8h8 f6e7 h8h6)
+0.93/7 3} 50. Kf3 {(g3f3 f8c5 g4e6 g8h7 f4f5 c5f8 d2c3 c6c5 c3e5 d5d4
f5f6) +0.56/11 3} Qxc5 {(f8c5 e1e8 g8f7 g4h5 f7f6 e8h8 f6e7 h8h6) +0.93/6
3} 51. Re8+ {(e1e8 g8f7 d2e1 c5d6 f4f5 d6d7 g4h5 f7f6 e1e6 f6g5 f5f6 d7e6)
+0.62/12 3} Kf7 {(g8f7 d2e1 g7g6 g4h5 b5d3 h5g6 d3g6 b2b4) -1.72/6 3} 52.
Qe1 {(d2e1 b5e2 e1e2 c5d6 f4f5 g7g5 h2h4 g5g8 e8g8 f7g8 e2e6 d6e6) +4.14/12
3} Rg6 {(g7g6 g4h5 c5d6 h5g6 f7f6 e8g8 d5d4) -4.62/6 3} 53. Bh5 {(g4h5 c5d6
f4f5 f7g7 h5g6 d5d4 e8e7 g7f8 e7b7 d6h2 e1e8) +5.99/11 4} Qd6 {(c5d6 h5g6
f7f6 f4f5 f6g7 e1e7 d6e7 e8e7 g7f6 e7b7) -5.39/7 3} 54. f5 {(f4f5 f7g7 h5g6
d5d4 e8e7 g7g8 e1e6 d6e6 f5e6 d4d3 f3e3 g8f8) +7.06/12 4} Kg7 {(f7g7 h5g6
d5d4 e1e7 d6e7 e8e7 g7f6 e7f7 f6e5 f7b7) -4.95/7 3} 55. Qe7+ {(e1e7 d6e7
e8e7 g7g8 f5g6 d5d4 g6g7 d4d3 e7b7 c6c5 f3e3 c5c4) +7.46/12 4} Qxe7 {(d6e7
e8e7 g7f6 f5g6 f6e7 g6g7 b5a4 h5g6 b7b6 g7g8q b6a5) -5.73/9 3} 56. Rxe7+
{(e8e7 g7g8 f5g6 c6c5 e7b7 d5d4 b7c7 c5c4 f3e4 d4d3 e4e3 g8f8 g6g7 f8g8
c7f7) +7.48/15 4} Kf6 {(g7f6 f5g6 f6e7 g6g7 b5a4 h5g6 b7b6 g7g8q b6a5)
-5.73/8 3} 57. fxg6 {(f5g6 f6e7 g6g7 b5a4 f3f2 a4d1 h5g6 e7f6 g7g8q d1g4
g6f7 g4f5 g8f8 d5d4) +7.85/14 3} Kxe7 {(b5a4 e7f7 f6e5 f3e2 a4c2 g6g7 c2h7
h5g6 h7g8 f7b7) -6.02/8 3} 58. g7 {(g6g7 b5a4 f3f2 a4d1 h5g6 e7d8 g7g8q
d8c7 g8h7 c7c8 g6f5 c8b8 f2e1 d1f3 h7h8 b8a7) +8.63/16 3} Ba4 {(b5a4 h5g6
d5d4 g7g8q e7f6 g8f7 f6g5 f7f5 g5h4 f3e4) -6.46/8 3} 59. Kf2 {(f3f2 a4d1
h5g6 e7d6 g7g8q d6c7 g8g7 c7b8 g7f8 b8c7 f8f4 c7c8 f2e1 d1b3 f4h6) +8.70/15
3} Bd1 {(a4d1 h5g6 d1g4 g7g8q e7f6 g8f7 f6g5 g6d3 g4c8) -6.45/8 3} 60. Bg6
{(h5g6 e7d6 g7g8q d6c7 g8g7 c7b8 g7f8 b8c7 f8h6 c7d7 g6f5 d7c7 h6e3 c7d6
f2e1) +9.13/15 4} Bb3 {(e7f6 g7g8q h6h5 g8f7 f6g5 g6d3 d5d4 f7b7) -7.30/7
3} 61. g8=Q {(g7g8q b3c4 g8f7 e7d6 f7b7 d6c5 b2b4 c5d6 b7g7 c4b5 g7f8 d6e5
f8h8 e5f4) +9.94/14 3} Bc4 {(b3c4 g8f7 e7d6 f7b7 d6c5 b2b4 c5d6 b7g7 h6h5
g6h5) -8.20/7 3} 62. Qf7+ {(g8f7 e7d6 f7b7 c4b5 b7g7 d6c5 g7h6 d5d4 h6f8
c5c4 g6f7 c4d3 f8a3 d3d2) +10.21/14 3} Kd6 {(e7d6 f7b7 c4b5 b7g7 d6c5 g7f8
c5d4 f8h6) -8.21/6 3} 63. Qxb7 {(f7b7 c4b5 b7g7 d6c5 g7h6 d5d4 h6f4 b5c4
b2b4 c5b4 f4d4 c6c5 d4f4) +10.09/13 3} Bb5 {(c4b5 b7b6 d6e5 b6e3 e5f6 e3h6
d5d4 h2h4) -8.59/7 3} 64. Qa7 {(b7a7 b5c4 a7e3 c4b5 e3f4 d6e6 b2b4 h6h5
g6h5 b5d3 f2g1 e6d7 h5g4 d7e7) +10.49/14 3} Bc4 {(b5c4 b2b4 d6e6 a7g7 e6d6
h2h4 h6h5 g6h5) -8.62/7 3} 65. Qb8+ {(a7b8 d6e6 b8c8 e6d6 c8f8 d6c7 f8f4
c7b7 f4h6 b7c8 h6f8 c8b7 f8e7 b7b8) +10.63/14 4} Ke6 {(d6e6 b2b4 c4b5 b8h8
e6d6 h2h4 b5c4 h8h6) -8.72/6 3} 66. Qc7 {(b8c7 c4b5 c7f4 e6d7 g6f5 d7e8
f4e3 e8f7 e3h6 b5a4 f5d7 d5d4 d7c6) +10.79/13 3} Bb5 {(c4b5 f2e3 b5c4 c7c6
e6e5 g6h5 d5d4 e3d2 c4b5 c6h6) -9.12/7 3} 67. Be8 {(g6e8 h6h5 e8d7 e6f6
d7c6 h5h4 c6d5 f6g5 c7e7 g5g4 e7e4 g4g5 f2g2 g5h5) +11.73/14 4} Kf5 {(e6f5
c7d6 h6h5 e8c6 b5c6 d6c6 d5d4 c6a6) -10.01/7 3} 68. Bxc6 {(e8c6 d5d4 c7d7
f5g6 c6e4 g6g5 d7d4 g5h5 d4d5 h5g4 d5e6 g4g5 e6g6 g5f4) +12.22/14 3} Bc4
{(b5c4 c7h7 f5e5 c6b7 c4b5 h7g7 e5f5 g7h6 d5d4 b7a6) -10.93/7 3} 69. Qd6
{(c7d6 h6h5 c6d5 c4b5 d6e6 f5g5 e6e5 g5h6 e5f4 h6g7 f4g5 g7f8 g5h5 b5d3)
+12.99/14 3} Bd3 {(f5e4 d6e6 e4f4 e6h6 f4e5 c6b7 d5d4 b7a6) -10.78/6 3} 70.
Qxd5+ {(d6d5 f5f4 d5d3 f4g5 d3a6 g5g4 a6d3 g4g5 f2e1 g5f4 d3d2 f4g4 d2h6
g4f5) +17.32/14 3} Kf4 {(f5f4 d5d3 h6h5 d3a6 f4e5 a6b5 e5d6 b2b4) -15.22/6
3} 71. Qxd3 {(d5d3 h6h5 d3e4 f4g5 c6b7 g5f6 b7a6 f6g5 a6d3 g5f6 e4h4 f6g7
h4h5 g7f8) +17.42/14 3} h5 {(h6h5 d3a6 f4e5 b2b4 h5h4 b4b5) -15.41/6 3} 72.
Qd5 {(d3d5 h5h4 c6d7 h4h3 d5f5 e6f6 a6a7 f6g5 a7a8q h5h4 a8b8 g5g4 d3e4
g4h3) +M3/15 3} Kg4 {(f4g4 d5e5 h5h4 c6d7) -M2/5} 73. Qe5 {(d5e5 g4h3 e5g3)
+M2/16 4} h4 {(h5h4 c6d7) -M1/3} 74. Bd7# {(c6d7 g4g5) +M1/16 4} 1-0

[Event "Oli"]
[Site "DESKTOP-HFVHK2B"]
[Date "2022.02.01"]
[Round "4"]
[White "Tscp181"]
[Black "Bricabrac"]
[Result "0-1"]
[BlackElo "2200"]
[ECO "A90"]
[Opening "Dutch"]
[Time "12:07:16"]
[Variation "2.c4 Nf6 3.g3 e6 4.Bg2 d5"]
[WhiteElo "2200"]
[TimeControl "10+4"]
[Termination "normal"]
[PlyCount "138"]
[WhiteType "human"]
[BlackType "human"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 {(d7d5 c4d5 e6d5 g1f3 f8b4 c1d2 b8a6
e1g1 e8g8 a2a3 b4d2 b1d2) +0.34/12 5} 5. e3 {(c4c5 b8c6 g1f3 c8d7 b1c3)
-0.25/5} dxc4 {(d5c4 d1a4 b8d7 g1f3 f6d5 a4c4 f8b4 b1c3 e8g8 e1g1 b4c3
b2c3) +0.70/12 5} 6. Nd2 {(b1d2 b8a6 d1c2 f8b4 c2c4) -0.29/5} c3 {(c4c3
b2c3 b8d7 g1e2 f8d6 e1g1 e8g8 d2c4 d6e7 c1d2 f6d5) +1.19/11 4} 7. bxc3
{(b2c3 b8d7 a1b1 c7c6 g1f3 f8d6) -0.27/6 1} Be7 {(f8e7 g1f3 e8g8 e1g1 b8d7
c3c4 f6e4 c4c5 d7c5 d4c5 e4c5) -0.11/11 4} 8. Ne2 {(g1e2 b8d7 a1b1 f6d5
e1g1) +0.01/5 1} Nbd7 {(b8d7 d1b3 d7b6 e2f4 e8f7 e1g1 h8f8 c1a3 e7a3 b3a3
e6e5) -0.14/11 4} 9. O-O {(e1g1 e8g8 a1b1 c7c6 e3e4 e7d6) -0.14/6 1} Nb6
{(d7b6 c3c4 e8g8 c4c5 b6d5 a1b1 g7g5 c5c6 b7c6 e3e4 f5e4) +0.53/11 4} 10.
Qb3 {(d1b3 c7c6 c1b2 e6e5 e3e4 e7d6) 0.00/6 1} a5 {(a7a5 c3c4 a5a4 b3b5
c7c6 b5b1 e8g8 c4c5 b6d5 e2f4) +0.77/10 4} 11. Ba3 {(c1a3 e8g8 a3e7 d8e7
e3e4) +0.02/5 1} O-O {(e8g8 a3e7 d8e7 a2a4 a8a7 e3e4 f5e4 d2e4 c8d7 c3c4)
+1.03/10 4} 12. Bxe7 {(a3e7 d8e7 e3e4 a5a4 b3b4 e7d8) +0.01/6 1} Qxe7
{(d8e7 a2a4 g8h8 e3e4 f6e4 d2e4 f5e4 g2e4 e6e5 d4d5 e7c5) -0.06/11 4} 13.
e4 {(e3e4 f8d8 e4e5 f6g4 d2c4 b6c4 b3c4) +0.01/6 1} a4 {(a5a4 b3b4 e7b4
c3b4 f5e4 d2e4 a4a3 b4b5 b6c4 e2f4) +0.68/10 4} 14. Qb4 {(b3b4 f8e8 f2f4
c8d7 e4e5 f6d5 g2d5 e7b4 c3b4 b6d5) +0.02/6 1} Qxb4 {(e7b4 c3b4 f5e4 d2e4
a4a3 e4f6 f8f6 a1c1 f6f7 b4b5 b6d5) +0.88/11 4} 15. cxb4 {(c3b4 f5e4 f1c1
f6d5 d2e4 c8d7 f2f3) +0.02/7 1} fxe4 {(f5e4 d2e4 a4a3 e4f6 f8f6 f1c1 f6f7
b4b5 a8a5 c1c5 b6a4 c5c4) +0.60/12 4} 16. Rfc1 {(f1c1 c8d7 d2e4 f6d5 f2f4
a8d8 g2f3) -0.04/7 1} e3 {(e4e3 f2e3 b6d5 e3e4 d5b4 c1c7 a4a3 c7c3 c8d7
d2c4 d7b5 e4e5) +2.14/12 4} 17. fxe3 {(f2e3 c7c6 e3e4 c8d7 c1f1 a8d8 a1c1)
+0.27/7 1} Nbd5 {(b6d5 e3e4 d5b4 c1c7 a4a3 a1b1 b4d3 e2f4 d3f4 g3f4 a8a5)
+0.59/11 4} 18. e4 {(e3e4 d5b4 c1c7 b4a6 c7e7 c8d7 a1c1) +0.44/7 1} Nxb4
{(d5b4 c1c7 a4a3 a1b1 b4d3 b1b3 d3b2 d4d5 e6d5 e4d5 f8d8 e2f4) +0.58/12 4}
19. Rxc7 {(c1c7 b4a6 c7e7 a6b4 e2f4 b4c6) +0.39/6 2} a3 {(a4a3 c7c5 c8d7
d4d5 e6d5 e4d5 a8c8 c5c8 f8c8 d5d6 f6d5) +0.72/11 4} 20. Rc4 {(c7c4 b4c6
e4e5 f6d5 g2d5 e6d5) +0.92/6 2} Nc6 {(b4c6 e4e5 f6d5 c4c5 c6b4 g3g4 b4d3
c5b5 f8f2 g2f3 d5e3 g4g5) +0.82/12 4} 21. e5 {(e4e5 f6d5 g2d5 e6d5 c4c3
c8e6) +0.67/6 2} Nd5 {(f6d5 c4c1 c8d7 c1b1 f8b8 b1b3 b7b5 g3g4 b5b4 g4g5
b8b7 d2e4) +0.61/12 4} 22. Bxd5 {(g2d5 e6d5 c4c2 c8g4 d2b3 a8c8) +0.57/6 2}
exd5 {(e6d5 c4c5 c8g4 e2f4 c6d4 f4d5 d4e2 g1h1 f8f7 c5c7 f7c7 d5c7)
+1.41/12 4} 23. Rc5 {(c4c5 c8g4 e2c3 c6d4 a1c1 a8c8 c3d5) +0.45/7 2} Rd8
{(f8d8 e2c3 c6d4 c3d5 d4e2 g1h1 c8g4 a1f1 d8f8 d5e7 g8h8) +1.14/11 4} 24.
Rf1 {(a1f1 c8g4 d2f3 d8f8 c5c3 g4f5) +0.87/6 2} Bg4 {(c8g4 d2f3 a8a4 c5b5
a4b4 e2c3 g4h3 b5b4 c6b4 f1b1 d8c8) +1.41/11 4} 25. Nc3 {(e2c3 c6d4 c3d5
d8d7 d2c4 d4f3 g1h1 a8d8) +0.45/7 2} Nxd4 {(c6d4 c3d5 d4e6 d5e7 g8h8 c5c2
g4e2 f1f2 e2d3 c2c3 d8d4) +1.55/11 4} 26. Nxd5 {(c3d5 d8e8 d5c3 a8d8 d2c4
d4f3 g1h1 b7b6) +0.43/7 2} Ne6 {(d4e6 d5e7 g8h8 c5c2 e6d4 c2c4 g4e2 f1f7
e2c4 d2c4 d4e6) +2.80/11 4} 27. Ne7+ {(d5e7 g8h8 c5d5 d8d5 e7d5 a8d8 d5e3
d8d2 e3g4 d2a2) -1.50/7 2} Kh8 {(g8h8 c5c2 g4h3 f1e1 d8d7 e7c8 h3f5 c8b6
f5c2 b6d7 a8d8 e1c1 c2g6 d2c4 d8d7 c4a3) +3.16/16 3} 28. Rd5 {(c5d5 d8d5
e7d5 a8d8 d5e3 d8d2 e3g4 d2a2) -1.50/7 2} Rxd5 {(d8d5 e7d5 a8d8 d5e3 g4e2
d2e4 e2f1 g1f1 d8d3 f1e2 d3d4 e4d6) +3.05/12 3} 29. Nxd5 {(e7d5 a8d8 d5e3
g4e2 d2c4 e2f1 g1f1 d8f8) -1.40/8 2} Rd8 {(a8d8 d5e3 g4e2 d2e4 e2f1 g1f1
e6d4 f1f2 d8f8 f2g2 f8e8 e3c4) +3.14/12 4} 30. Ne3 {(d5e3 d8d2 e3g4 d2a2
f1b1 e6c5 g1f1 a2c2) -1.60/8 2} Be2 {(g4e2 d2e4 e2f1 g1f1 d8d3 f1e2 d3d7
g3g4 e6d4 e2f2 d7f7 f2g1) +3.00/12 3} 31. Ndc4 {(d2c4 e2f1 g1f1 d8c8 f1e2
c8c5 e2d3 h8g8) -1.20/8 2} Bxf1 {(e2f1 g1f1 d8c8 c4a3 c8c3 a3c2 c3c5 g3g4
c5e5 e3c4 e5d5 c2e3) +2.38/12 4} 32. Kxf1 {(g1f1 d8c8 f1e2 c8c5 c4d6 b7b5
e3g4 c5c2) -1.49/8 2} Rf8+ {(d8f8 f1g1 f8a8 e3c2 a8a4 c4a3 a4e4 a3b5 e4e5
b5d6 e5e2 c2b4 e2e1 g1f2) +2.79/14 3} 33. Ke2 {(f1e2 b7b5 c4a3 e6d4 e2d3
f8a8 d3d4 a8a3 e5e6 a3a2) -1.24/7 2} Ra8 {(f8a8 e3c2 b7b5 c4b6 a8a6 b6d5
a6a4 e2d3 h8g8 d3d2 e6c5 d2d1 a4a8 c2d4) +2.82/14 3} 34. Nc2 {(e3c2 b7b5
c4d6 a8a5 e2e3 h8g8 c2d4) -1.04/7 2} b5 {(b7b5 c4b6 a8a6 b6d5 a6a4 e2e3
g7g5 h2h4 g5g4 h4h5 h8g7 d5b6 a4a5) +2.75/13 4} 35. Nd6 {(c4d6 a8a5 e2d3
h8g8 d3c3 b5b4 c3b4 a5e5 c2a3) -1.01/8 2} Ra5 {(a8a5 e2d2 h8g8 c2b4 e6d4
d2c3 d4e2 c3c2 a5a4 b4c6 a4a6 c6e7 g8f8 e7d5) +2.69/14 3} 36. Kd3 {(e2d3
h8g8 c2d4 e6d4 d3d4 a5a4 d4d5 b5b4) -1.01/7 2} Kg8 {(h8g8 d3c3 b5b4 c3b4
a5e5 c2a3 e5e2 a3c4 e2h2 a2a4 h2g2 d6e4 g2c2) +2.26/13 3} 37. Nb7 {(d6b7
a5a6 b7d6 e6c7 c2d4 b5b4 d3e4 g8f8) -1.01/8 2} Ra4 {(a5a4 d3c3 a4e4 b7d6
b5b4 c2b4 e4e5 b4c2 e5e2 c2a3 e2h2 a3c2 e6c5 d6c4) +2.67/14 3} 38. Nd6
{(b7d6 g8f8 d6b5 e6c5 d3c3 a4e4 b5a3 c5d7 c3d3 e4e5) -1.01/8 2} b4 {(b5b4
d3c4 a4a5 c4b4 a5e5 b4a3 e5e2 c2b4 e2h2 b4d5 h2d2 d5e7 g8f8 d6e4 d2d4)
+2.31/15 4} 39. Kc4 {(d3c4 a4a5 d6b5 b4b3 a2b3 a3a2 c2a1 g8f7) -1.12/8 2}
Ra5 {(a4a5 c4b4 a5e5 b4a3 e5e2 c2b4 e2d2 d6f5 d2h2 f5e7 g8f7 b4d5 h2g2
e7f5) +2.41/14 3} 40. Nb5 {(d6b5 b4b3 a2b3 a3a2 c2a1 g8f7 b3b4 a5a6)
-0.90/8 3} b3 {(b4b3 a2b3 a3a2 b5c3 a2a1q c2a1 a5a1 b3b4 a1h1 c4d5 g8f7
h2h4 h1g1 c3e4) +4.17/14 3} 41. axb3 {(a2b3 a3a2 c2a1 a5a6 b3b4 g8f8 b5d6
f8e7 b4b5) -0.73/9 3} a2 {(a3a2 b5c3 a5a8 c4d5 g8f7 c3e4 a8b8 e4d6 f7e7
d5c4 b8f8 b3b4 f8f2 d6c8) +3.36/14 4} 42. Na1 {(c2a1 a5a8 b3b4 a8f8 c4d5
g8f7 h2h3 f7e7 a1b3) -0.86/9 3} Ra8 {(a5a8 b3b4 a8d8 b5d6 e6g5 c4d5 g8f8
b4b5 f8e7 b5b6 g5f7 b6b7 f7d6 e5d6) +2.98/14 4} 43. Nd6 {(b5d6 g8f8 b3b4
f8e7 d6f5 e7d7 b4b5 a8f8 f5d4) -0.83/8 3} Rf8 {(a8f8 b3b4 f8f1 b4b5 f1a1
c4b3 e6d4 b3b2 a1e1 b2a2 e1e2 a2b1 e2e5) +4.00/13 3} 44. b4 {(c4d5 f8f1
d5e6 f1a1 d6c8 a1c1 c8e7) -0.92/7 3} Rf1 {(f8f1 c4b3 f1a1 b4b5 e6g5 b3b2
a1e1 b2a2 e1e5 a2a3 g5f3 b5b6 f3h2) +4.32/13 3} 45. b5 {(c4c3 f1a1 c3b2
a1e1 b2a2 e1e2 a2b3 e2e5) -3.57/7 3} Nd4 {(e6d4 c4c3 d4b5 d6b5 f1a1 c3b3
a1b1 b3a2 b1b5 e5e6 b5e5 g3g4 e5e6) +5.36/13 3} 46. Kc3 {(c4c3 f1a1 c3b2
a1h1 b2a2 h1h2 a2a3 h2e2 b5b6 e2e5) -4.40/8 3} Nxb5+ {(d4b5 d6b5 f1a1 c3b2
a1b1 b2a2 b1b5 e5e6 b5e5 g3g4 e5e2 a2b1 e2e6) +5.36/13 3} 47. Kb2 {(c3b2
f1f2 b2b3 b5d4 b3c3 d4c6 d6c4 g8f7 a1b3 f2f3 c3b2 f3b3 b2a2) -3.69/8 3}
Rf2+ {(f1f2 b2c1 b5d6 e5d6 g8f7 h2h4 f7e6 a1b3 h7h5 b3c5 e6d5 c5b3 d5d6
c1d1 d6d5) +5.96/15 3} 48. Kb3 {(b2b3 b5d4 b3c3 d4c6 d6c4 g8f7 a1b3 f2f3
c3b2 f3b3 b2a2) -3.69/7 3} Nxd6 {(b5d6 e5d6 g8f7 h2h4 f7e6 g3g4 e6d6 b3a3
d6c7 a3b3 c7d7 g4g5 g7g6 b3a3 d7d6) +5.47/15 3} 49. exd6 {(e5d6 g8f7 d6d7
f7e7 d7d8r e7d8 h2h3 f2h2 g3g4) -4.38/9 3} Kf7 {(g8f7 h2h4 f7e6 g3g4 e6d6
g4g5 d6e5 h4h5 e5f5 g5g6 h7g6 h5h6 g7h6 b3a3 g6g5 a1b3) +5.42/16 3} 50. d7
{(d6d7 f7e7 d7d8r e7d8 h2h4 h7h5 b3a3 d8e7 a3b4) -4.48/9 3} Ke7 {(f7e7
d7d8q e7d8 h2h4 h7h5 b3a3 d8d7 a1b3 f2c2 b3a1 c2e2 a1b3 d7d6 a3a4 e2e3)
+5.94/15 3} 51. d8=R {(d7d8r e7d8 h2h3 f2f3 b3a2 f3g3 h3h4 g3h3 a1c2 h3h4)
-4.60/9 3} Kxd8 {(e7d8 h2h4 h7h5 b3a3 d8c7 a1b3 f2g2 b3a1 g2d2 a1b3 d2f2
b3a1 c7c8 a1b3 f2g2 b3a1) +6.21/16 4} 52. h3 {(h2h3 f2f3 b3a2 f3g3 a1b3
g7g5 b3c5 g3h3 a2b2) -4.81/8 3} Kd7 {(d8d7 g3g4 g7g5 b3c3 d7d6 c3b3 d6e5
b3c3 e5d5 c3b3 d5d4 b3b4 f2f3 a1c2 d4e4 b4a4) +6.64/16 4} 53. g4 {(g3g4
f2h2 b3a3 d7d6 a1b3 d6e5 g4g5 h2c2) -4.81/8 3} Ke6 {(d7e6 b3a3 e6e5 a3b4
f2f3 h3h4 f3h3 g4g5 e5f5 a1c2 f5g4 g5g6 h7g6 b4c4 g4h4 c4b4) +7.07/16 4}
54. h4 {(h3h4 e6e5 g4g5 e5f5 b3c4 f2f1 a1b3 a2a1q b3a1 f1a1) -5.15/8 3} Ke5
{(e6e5 g4g5 e5f4 g5g6 h7g6 b3b4 f4g3 b4c3 g3h4 a1b3 f2f3 c3b2 f3b3 b2a2
b3c3 a2b1) +7.09/16 3} 55. g5 {(g4g5 e5f5 b3c3 f5g4 c3d4 g4h4 d4e3 f2b2)
-5.44/8 3} Kf4 {(e5f4 g5g6 h7g6 b3b4 f4g3 b4a3 f2h2 a1b3 g3h4 a3a4 h2h3
b3a1 g6g5 a4b4 g5g4 a1c2) +7.57/16 3} 56. g6 {(g5g6 h7g6 b3c3 f4g4 c3b3
g4h4 b3c3 g6g5 c3d4) -6.54/9 3} h5 {(h7h5 b3b4 f2f3 a1c2 f4f5 c2d4 f5g6
d4f3 g6f6 b4c3 a2a1q c3d2 a1a2 d2d3 a2d5 f3d4) +7.69/16 4} 57. Kc3 {(b3c3
f4g4 c3d4 f2f1 a1c2 f1c1 c2a1 c1a1) -6.77/8 3} Kg3 {(f4g3 c3d3 g3h4 d3e4
f2b2 e4e5 h4g5 e5d5 h5h4 d5c4 b2f2 c4d3 f2f1 d3c3 f1b1 a1c2 b1c1 c3b2)
+9.48/18 3} 58. Kb3 {(c3b3 g3h4 b3b4 h4g5 b4c3 g5g6 c3b3 h5h4 b3c4) -7.25/9
3} Kg4 {(g3g4 b3c3 g4h4 c3b3 h4g5 b3c3 g5g6 c3d3 f2f3 d3e2 f3g3 e2d1 h5h4
a1c2 g3c3 c2a1 h4h3 d1e1) +9.99/18 3} 59. Kb4 {(b3b4 g4h4 b4c3 h4g5 c3d4
g5g6 d4e3 f2b2) -7.04/8 3} Kxh4 {(g4h4 b4b3 h4g5 b3c3 g5g6 a1b3 g6f5 c3d4
f2b2 b3a1 h5h4 d4c3 b2b5 c3c4 b5b8 a1c2 h4h3) +9.31/17 4} 60. Kb3 {(b4b3
h4g5 b3c3 g5g6 c3d4 f2f1 a1c2 a2a1q c2a1 f1a1) -7.59/8 3} Kg5 {(h4g5 b3c4
g5g6 c4d3 h5h4 d3e3 f2b2 e3d4 g6f5 d4c3 b2b1 c3c4 f5g6 a1c2 b1c1 c4b3 c1c2)
+11.54/17 3} 61. Nc2 {(b3c3 h5h4 c3d3 f2f1 d3c3 f1a1 c3b2 a1c1 b2a2 g5g6)
-8.30/8 3} Rxc2 {(f2c2 b3c2 a2a1q c2d2 g5g6 d2c2 g6f5 c2d3 a1d1 d3e3 h5h4
e3f2 h4h3 f2g3 d1d3 g3h2) +13.30/16 3} 62. Kxc2 {(b3c2 a2a1q c2d3 h5h4 d3c4
h4h3 c4d3 h3h2 d3e2 h2h1q) -18.61/9 3} a1=Q {(a2a1q c2b3 a1e1 b3b2 g5g6
b2a2 e1e4 a2b2 h5h4 b2c1 h4h3 c1d1 g6f5 d1d2 f5f4 d2d1 f4e3 d1c1 h3h2 c1b2
h2h1q b2a2) +20.26/22 3} 63. Kd3 {(c2d3 h5h4 d3c4 h4h3 c4d3 h3h2 d3e2
h2h1q) -18.61/7 3} h4 {(h5h4 d3e4 h4h3 e4e3 g5g6 e3d2 a1d4 d2c1 d4c4 c1d2
c4f1 d2c3 h3h2 c3d4 h2h1q d4e3 h1f3 e3d4) +20.55/18 3} 64. Ke4 {(d3e4 h4h3
e4f3 h3h2 f3e2 a1a2 e2d3 h2h1q d3d4 g5g6) -19.70/8 3} h3 {(h4h3 e4d5 h3h2
d5d6 g5g6 d6c7 a1d4 c7b7 h2h1q b7c7 h1d5 c7b8 d4b4 b8c7 b4b7 a5b5 d4d3)
+M8/18 4} 65. Kd5 {(e4d5 h3h2 d5d6 h2h1q d6d7 h1e4 d7d8 e4g6) -19.80/7 3}
h2 {(h3h2 d5d6 g5g6 d6e6 a1d1 e6e5 h2h1q e5f4 d1f3 f4e5 f3f6 c7d6 f5f4 d6d7
h2h1q d7d6 h1f3) +M6/17 3} 66. Kd6 {(d5d6 h2h1q d6c7 a1e5 c7d8 h1a8 d8d7
a8e8) -M4/7 1} h1=Q {(h2h1q d6c7 a1b2 c7d6 h1b7 d6e6 b2f6 c5b6 a8b7) +M4/16
3} 67. Kc7 {(d6c7 a1a5 c7d7 h1b7 d7e6 a5d5) -M3/5} Qa6 {(a1a6 c7d8 a6f6
d8d7 h1c6 a6a7) +M3/14 4} 68. Kd8 {(c7d8 a6b7 d8e8 h1h8) -M2/5} Qab7 {(a6b7
d8e8 h1h8 e7e8) +M2/14 3} 69. Ke8 {(d8e8 h1h8) -M1/3} Qh8# {(h1h8 e8f8)
+M1/14 3} 0-1
[/pgn]
Mike Sherwin
Posts: 965
Joined: Fri Aug 21, 2020 1:25 am
Location: Planet Earth, Sol system
Full name: Michael J Sherwin

Re: Strengthening LMR (MR)

Post by Mike Sherwin »

In the code above "if (depth > 3 && count > 0) {" count > 0 was just so so. Count > 1 is much much better so far!

Bricabrac - Tscp181 : 17.5/22 16-3-3 (1111111101==0101=11111) 80% +241

Actually this start to the match is phenomenal! :D I hope it continues. :shock:

Then I'll have to test count > 2.
User avatar
lithander
Posts: 915
Joined: Sun Dec 27, 2020 2:40 am
Location: Bremen, Germany
Full name: Thomas Jahn

Re: Strengthening LMR (MR)

Post by lithander »

In the code you showed 'count' is set to zero and afterwards you only read it. It's not clear to me how it ever becomes greater 0?
Minimal Chess (simple, open source, C#) - Youtube & Github
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Mike Sherwin
Posts: 965
Joined: Fri Aug 21, 2020 1:25 am
Location: Planet Earth, Sol system
Full name: Michael J Sherwin

Re: Strengthening LMR (MR)

Post by Mike Sherwin »

lithander wrote: Wed Feb 02, 2022 3:45 pm In the code you showed 'count' is set to zero and afterwards you only read it. It's not clear to me how it ever becomes greater 0?
My apologies. :oops:

Code: Select all

  count = 0;
  for (mi = 0; mi < n; mi++) {
    Sort(t, m, mi, n);
    mov = m + mi;
    MakeMove(t, mov);
    UpdateHash(t, mov);
    if (IncreaseRepCount(t) == 2) {
      mov->score = 0;
    }
    else {
      if (depth > 3 && count > 2) {

        hashKey ^= 1ull;
        hashSig ^= 1ull;
        wtm = 1 - wtm;
        score = Qsearch(t, m + n, alpha, alpha + 1);
        wtm = 1 - wtm;
        hashKey ^= 1ull;
        hashSig ^= 1ull;
        if (score <= alpha) d = depth - 2; else d = depth;
        mov->score = -Search(t, m + n, -alpha - 1, -alpha, d - 3);
        if (mov->score > alpha)
          mov->score = -Search(t, m + n, -beta, -alpha, depth - 1);
      }
      else {
        mov->score = -Search(t, m + n, -beta, -alpha, depth - 1);
      }
    }
    DecreaseRepCount(t);
    UpdateHash(t, mov);
    TakeBack(t, mov);
    fpv = false;
    if (mov->score == -ILLEGAL) continue;
    count++;
Mike Sherwin
Posts: 965
Joined: Fri Aug 21, 2020 1:25 am
Location: Planet Earth, Sol system
Full name: Michael J Sherwin

Re: Strengthening LMR (MR)

Post by Mike Sherwin »

Mike Sherwin wrote: Wed Feb 02, 2022 4:33 am In the code above "if (depth > 3 && count > 0) {" count > 0 was just so so. Count > 1 is much much better so far!

Bricabrac - Tscp181 : 17.5/22 16-3-3 (1111111101==0101=11111) 80% +241

Actually this start to the match is phenomenal! :D I hope it continues. :shock:

Then I'll have to test count > 2.
From

Bricabrac - Tscp181 : 59.5/100 53-34-13 60% +70

to

Bricabrac - Tscp181 : 63.5/100 56-29-15 (1111111101==0101=11111010===1111=100=101=1=1=0111011111110000100011111011=1=00100001111001=0=1110101) 64% +100

is a bit disappointing after that start. Next is count > 2.