Hard positions posted for 6 last moonths

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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Hard positions posted for 6 last moonths

Post by zullil »

MMarco wrote: ↑Mon Jul 27, 2020 11:44 am
Pafifi wrote: ↑Sat Jun 13, 2020 4:24 pm The Rybka form puzzle
[pgn]
[FEN "3q1rk1/r2nbp1p/2p1p1pP/p1Nn4/3PN3/8/PPQB1PP1/1K1R3R w - - 0 1"]

1. g4 a4 (1. .. Nb4 2. Qc3 Nxc5 3. dxc5 f6 4. Bf4 Nd5) *
[/pgn]
Didn't see the winning line … My laptop SF insists on drawish …
It is not all that clear at depth=30 that g4 is best according to SFNNue + SV-2051:

Code: Select all

[30] 1.08 g4 Cb4 Dc3 Cd5 Dc4 a4 The1 a3 b3 C7b6 Dc1 Db8 Dc2 Cd7 g5 Cxc5 dxc5 Dh2 Fc1 f6 f4 Dxc2+ Rxc2 fxg5 fxg5 Tf5 Cd6 Fxd6 cxd6 Rf7 Rd3 Td7 Fxa3 Txg5 Rc4 Tg2 Rc5 Cf6
[30] 1.06 Ca4 Db8 Tc1 C7f6 f3 Db5 Dc4 Td8 a3 Cxe4 fxe4 Cf6 The1 Cg4 Dxc6 Dd3+ Dc2 Dxd4 Ff4 Df6 Tf1 e5 Fd2 Dh4 Cb6 Tb7 Cc4 Tdb8 Ra1 Cf2 Cxe5 Txb2 Dxb2 Txb2
[30] 0.84 Tc1 Cb4 Dc4 Cb6 Db3 Dxd4 Fe3 De5 f3 C6d5 Ff2 f5 Cc3 Tb8 Cxd5 Dxd5 a3 a4 Dxd5 Cxd5 Fd4 Taa8 Ra1 Rf7 The1 Fxc5 Txc5 Ta6 Tb1 Tb5 Tbc1 Txc5 Txc5 f4 Tc4
[30] 0.77 f3 Cxc5 dxc5 Db8 a3 De5 Fc1 Tb7 Ra2 Tfb8 Cd6 Fxd6 cxd6 f5 Ra1 Dxd6 Dc4 Rf7 The1 e5 Td2 Te8 Tc2 Te6 Da6 Dc7 Tc5 Db6 Dxb6 Txb6 Txa5 Tb5 Ta6 Tc5 b3
d:31/54 1:g4 t:2089 n:560M nps:268k tb:27 h:100
Deeper analysis is needed!
sergio 20200725-0545 and 6-man tables:

info depth 38 seldepth 64 multipv 1 score cp 120 nodes 8584752946 nps 25554575 hashfull 748 tbhits 92691 time 335938 pv g2g4 d5b4 c2c3 b4d5 c3c4 a5a4 h1e1 a4a3 b2b3 d7b6 c4c1 b6d7 c5d3 d8b6 c1c4 d7f6 f2f3 f6e8 d3c5 e8d6 e4d6 e7d6 d1c1 f8d8 c4d3 b6b8 e1d1 b8b5 c1c2 b5d3 c5d3 f7f6 c2c6 g8f7 d1e1 g6g5 c6c4 d8b8 e1e4 a7d7 d3c5 d7e7 c4c1 d6f4 d2f4 g5f4 b1a1

info depth 38 seldepth 72 multipv 2 score cp 68 nodes 8584752946 nps 25554575 hashfull 748 tbhits 92691 time 335938 pv a2a3 d7c5 d4c5 a7b7 g2g4 f7f5 g4f5 e6f5 e4c3 e7f6 c3a4 d8e7 h1e1 e7f7 a4b6 d5b6 c5b6 b7b6 d2c3 f6g5 c3g7 f8b8 d1d6 f7b3 c2e2 b6b7 d6e6 g5h6 g7h6 b3b2 e2b2 b7b2 b1a1 b2f2 e6c6 f5f4 c6a6 g8f7 a6a7 f7f6 a7a5 f6f7 a5a6 f4f3 h6e3 f2e2 e1e2 f3e2

and then :D

info depth 51 seldepth 66 multipv 1 score cp 95 nodes 74208930804 nps 25060518 hashfull 1000 tbhits 2276331 time 2961189 pv g2g4 d5b4 c2c3 b4d5 c3c4 d8b6 g4g5 f8b8 c4c2 d5b4 c2c1 b4d5 h1h3 a5a4 c1c2 b6d8 c5d7 d8d7 a2a3 d7b7 b1a1 b7b5 d1e1 g8f8 e4c5 f8g8 d2c1 e7f8 h3d3 b8d8 c2e2 a7a8 e2f3 a8b8 c5e4 b5c4 f3e2 c4b5 d3f3 b8a8 e2c2 a8a7 c1d2 f8e7 f3g3 a7a8 g3d3 a8b8 e1c1 b8a8 e4c5 a8a7 c1e1 e7f8 c5e4 a7a8 e1b1 f8e7 b1c1 a8b8

info depth 51 seldepth 55 multipv 2 score cp 95 nodes 74208930804 nps 25060518 hashfull 1000 tbhits 2276331 time 2961189 pv c5a4 d8b8 h1h3 b8b5 a2a3 d7b6 a4b6 b5b6 d2c1 f8e8 g2g4 b6a6 d1e1 a5a4 h3f3 a6b5 b1a1 e8b8 e4c5 b8d8 c1d2 d8b8 g4g5 e7f8 f3d3 b8d8 c5e4 a7a8 e1b1 f8e7 b1c1 a8b8 c1e1 b8b7 e4c5 b7a7 d3f3 e7d6 c5e4 d6f8 f3g3 a7b7 d2c1 b7a7 g3d3 f8e7 d3f3 e7f8 c1d2 f8e7 f3g3 d8b8 g3d3 b8d8 e1c1
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Hard positions posted for 6 last moonths

Post by zullil »

zullil wrote: ↑Mon Jul 27, 2020 12:48 pm
MMarco wrote: ↑Mon Jul 27, 2020 11:44 am
Pafifi wrote: ↑Sat Jun 13, 2020 4:24 pm The Rybka form puzzle
[pgn]
[FEN "3q1rk1/r2nbp1p/2p1p1pP/p1Nn4/3PN3/8/PPQB1PP1/1K1R3R w - - 0 1"]

1. g4 a4 (1. .. Nb4 2. Qc3 Nxc5 3. dxc5 f6 4. Bf4 Nd5) *
[/pgn]
Didn't see the winning line … My laptop SF insists on drawish …
It is not all that clear at depth=30 that g4 is best according to SFNNue + SV-2051:

Code: Select all

[30] 1.08 g4 Cb4 Dc3 Cd5 Dc4 a4 The1 a3 b3 C7b6 Dc1 Db8 Dc2 Cd7 g5 Cxc5 dxc5 Dh2 Fc1 f6 f4 Dxc2+ Rxc2 fxg5 fxg5 Tf5 Cd6 Fxd6 cxd6 Rf7 Rd3 Td7 Fxa3 Txg5 Rc4 Tg2 Rc5 Cf6
[30] 1.06 Ca4 Db8 Tc1 C7f6 f3 Db5 Dc4 Td8 a3 Cxe4 fxe4 Cf6 The1 Cg4 Dxc6 Dd3+ Dc2 Dxd4 Ff4 Df6 Tf1 e5 Fd2 Dh4 Cb6 Tb7 Cc4 Tdb8 Ra1 Cf2 Cxe5 Txb2 Dxb2 Txb2
[30] 0.84 Tc1 Cb4 Dc4 Cb6 Db3 Dxd4 Fe3 De5 f3 C6d5 Ff2 f5 Cc3 Tb8 Cxd5 Dxd5 a3 a4 Dxd5 Cxd5 Fd4 Taa8 Ra1 Rf7 The1 Fxc5 Txc5 Ta6 Tb1 Tb5 Tbc1 Txc5 Txc5 f4 Tc4
[30] 0.77 f3 Cxc5 dxc5 Db8 a3 De5 Fc1 Tb7 Ra2 Tfb8 Cd6 Fxd6 cxd6 f5 Ra1 Dxd6 Dc4 Rf7 The1 e5 Td2 Te8 Tc2 Te6 Da6 Dc7 Tc5 Db6 Dxb6 Txb6 Txa5 Tb5 Ta6 Tc5 b3
d:31/54 1:g4 t:2089 n:560M nps:268k tb:27 h:100
Deeper analysis is needed!
sergio 20200725-0545 and 6-man tables:

info depth 38 seldepth 64 multipv 1 score cp 120 nodes 8584752946 nps 25554575 hashfull 748 tbhits 92691 time 335938 pv g2g4 d5b4 c2c3 b4d5 c3c4 a5a4 h1e1 a4a3 b2b3 d7b6 c4c1 b6d7 c5d3 d8b6 c1c4 d7f6 f2f3 f6e8 d3c5 e8d6 e4d6 e7d6 d1c1 f8d8 c4d3 b6b8 e1d1 b8b5 c1c2 b5d3 c5d3 f7f6 c2c6 g8f7 d1e1 g6g5 c6c4 d8b8 e1e4 a7d7 d3c5 d7e7 c4c1 d6f4 d2f4 g5f4 b1a1

info depth 38 seldepth 72 multipv 2 score cp 68 nodes 8584752946 nps 25554575 hashfull 748 tbhits 92691 time 335938 pv a2a3 d7c5 d4c5 a7b7 g2g4 f7f5 g4f5 e6f5 e4c3 e7f6 c3a4 d8e7 h1e1 e7f7 a4b6 d5b6 c5b6 b7b6 d2c3 f6g5 c3g7 f8b8 d1d6 f7b3 c2e2 b6b7 d6e6 g5h6 g7h6 b3b2 e2b2 b7b2 b1a1 b2f2 e6c6 f5f4 c6a6 g8f7 a6a7 f7f6 a7a5 f6f7 a5a6 f4f3 h6e3 f2e2 e1e2 f3e2

and then :D

info depth 51 seldepth 66 multipv 1 score cp 95 nodes 74208930804 nps 25060518 hashfull 1000 tbhits 2276331 time 2961189 pv g2g4 d5b4 c2c3 b4d5 c3c4 d8b6 g4g5 f8b8 c4c2 d5b4 c2c1 b4d5 h1h3 a5a4 c1c2 b6d8 c5d7 d8d7 a2a3 d7b7 b1a1 b7b5 d1e1 g8f8 e4c5 f8g8 d2c1 e7f8 h3d3 b8d8 c2e2 a7a8 e2f3 a8b8 c5e4 b5c4 f3e2 c4b5 d3f3 b8a8 e2c2 a8a7 c1d2 f8e7 f3g3 a7a8 g3d3 a8b8 e1c1 b8a8 e4c5 a8a7 c1e1 e7f8 c5e4 a7a8 e1b1 f8e7 b1c1 a8b8

info depth 51 seldepth 55 multipv 2 score cp 95 nodes 74208930804 nps 25060518 hashfull 1000 tbhits 2276331 time 2961189 pv c5a4 d8b8 h1h3 b8b5 a2a3 d7b6 a4b6 b5b6 d2c1 f8e8 g2g4 b6a6 d1e1 a5a4 h3f3 a6b5 b1a1 e8b8 e4c5 b8d8 c1d2 d8b8 g4g5 e7f8 f3d3 b8d8 c5e4 a7a8 e1b1 f8e7 b1c1 a8b8 c1e1 b8b7 e4c5 b7a7 d3f3 e7d6 c5e4 d6f8 f3g3 a7b7 d2c1 b7a7 g3d3 f8e7 d3f3 e7f8 c1d2 f8e7 f3g3 d8b8 g3d3 b8d8 e1c1
info depth 56 seldepth 89 multipv 1 score cp 154 nodes 122907937177 nps 25045826 hashfull 1000 tbhits 4075448 time 4907322 pv g2g4 d5b4 c2c3 b4d5 c3c4 d8b6 g4g5 f8b8 c4c2 d5b4 c2c1 b4d5 h1h3 a5a4 c1c2 g8f8 a2a3 f8e8 d2c1 b8a8 b1a1 b6b5 c5d3 a7c7 c1d2 a8b8 d1c1 c7c8 h3h4 b5a6 c2c4 a6b5 h4g4 c8c7 g4g3 c7c8 g3f3 b8a8 c4c2 a8a7 f3h3 a7a8 h3g3 c8c7 c1e1 c7b7 g3f3 a8b8 c2c1 b5b6 c1c4 b6b5 e1c1 b5b3 f3g3 b8c8 c4b3 a4b3 a1b1

info depth 56 seldepth 69 multipv 2 score cp 95 nodes 122907937177 nps 25045826 hashfull 1000 tbhits 4075448 time 4907322 pv c5a4 d8b8 h1h3 b8b5 a2a3 d7b6 a4b6 b5b6 d2c1 b6a6 d1e1 a5a4 h3f3 a7b7 b1a1 a6a5 e1d1 f8e8 g2g4 a5b5 g4g5 b7a7 d1e1 e8d8 e4c5 e7d6 e1d1 d8a8 f3d3 a8d8 d1d2 d6e7 d2e2 e7d6 e2e4 a7a8 e4e1 a8a7 d3f3 d6f8 a1b1 f8e7 f3d3 e7f8 c1d2 d8b8 b1a1 f8e7 c5e4 a7d7 d3f3 d7a7 f3h3 e7f8 d2c1 b8d8 h3d3 a7a8 e4c5
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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Hard positions posted for 6 last moonths

Post by Vinvin »

One more from here http://talkchess.com/forum3/viewtopic.p ... 21#p864521

77.e5!!
[d] 6r1/2kn1p2/2b1pp1p/2p4P/p1P1PKP1/3N1P2/3R4/6R1 w - - 17 77
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perejaslav
Posts: 240
Joined: Sat Mar 18, 2006 4:01 am
Location: Cold

Re: Hard positions posted for 6 last moonths

Post by perejaslav »

An easy task for CiChess

[d]6r1/2kn1p2/2b1pp1p/2p4P/p1P1PKP1/3N1P2/3R4/6R1 w - -

Engine: CiChess 041020 x64 BMI2 N (8192 MB)
by The Stockfish developers

1/01 0:00 +1.91 1.Ke3 (3.184) 796

2/03 0:00 +2.82 1.Ra2 e5+ 2.Kg3 (9.954) 2488

3/04 0:00 +2.95 1.Ra2 Nb6 2.Nxc5 (11.546) 2886

4/05 0:00 +1.99 1.Ra2 Rg5 2.Ke3 Nb6 (14.142) 3535

5/06 0:00 +2.41 1.Ra2 Rg5 2.Ke3 Nb6 (21.313) 5328

...

37/38 0:04 +1.19 1.Ra1 Rd8 2.Rda2 Rg8 3.Nb2 Nb6 4.Ra3 Kd6
5.Rd3+ Ke7 6.Ke3 Rb8 7.Ra2 Bd7 8.Rd1 Bc6
9.Ra3 Ra8 10.Rc1 Rb8 11.Raa1 Ra8
12.Nd3 Nd7 13.Rcb1 Rg8 14.Rg1 (163.803.305) 37952

38/48 0:05 +1.31++ 1.e5 (216.318.745) 37864

38/64 0:06 +1.43++ 1.e5 (245.989.816) 38014

38/67 0:07 +1.61++ 1.e5 (299.025.851) 38450

38/76 0:09 +1.87++ 1.e5 (361.076.837) 39031

38/76 0:12 +2.19 1.e5 fxe5+ 2.Nxe5 Nxe5 3.Kxe5 Rg5+
4.Kf4 e5+ 5.Ke3 f5 6.Kf2 f4 7.Rgd1 Rg8
8.Rd6 Rb8 9.g5 hxg5 10.h6 a3 11.Rd8 Rb2+
12.Kg1 Bxf3 13.h7 Rg2+ 14.Kf1 (498.116.554) 40028

39/76 0:30 +2.19 1.e5 fxe5+ 2.Nxe5 Nxe5 3.Kxe5 Rg5+
4.Kf4 e5+ 5.Ke3 f5 6.Kf2 f4 7.Rgd1 Rg8
8.Rd6 Rb8 9.g5 hxg5 10.h6 a3 11.Rd8 Rb2+
12.Kg1 Bxf3 13.h7 Rg2+ 14.Kf1 (1.253.185.220) 40916

best move: e4-e5 time: 0:31.375 min n/s: 40.916.325 nodes: 1.253.185.220
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perejaslav
Posts: 240
Joined: Sat Mar 18, 2006 4:01 am
Location: Cold

Re: Hard positions posted for 6 last moonths

Post by perejaslav »

And for ShashChess 15
[d]6r1/2kn1p2/2b1pp1p/2p4P/p1P1PKP1/3N1P2/3R4/6R1 w - -

Engine: ShashChess 15 (32768 MB)
by K. Kiniama, A. Manzo and Stockfish deve

1/01 0:00 +1.31 1.Rgd1 (5.740) 2870

2/02 0:00 +1.37 1.Rgd1 Ra8 (9.051) 4525

3/03 0:00 +1.25 1.Rgd1 Ra8 2.Ra1 (11.335) 5667

4/04 0:00 +1.17 1.Rgd1 Rg5 2.Ra1 Nb6 (19.282) 9641

5/05 0:00 +1.17 1.Rgd1 Rg5 2.Ra1 Nb6 3.Rc2 (22.863) 7621

6/06 0:00 +1.17 1.Rgd1 Rg5 2.Ra1 Nb6 3.Rc2 Nd7 (26.793) 8931

...

43/44 0:06 +1.17 1.Rgd1 Rg5 2.Ra1 Rg8 3.Ra3 Ra8
4.Rda2 Rd8 5.Ra1 Rg8 6.Rd1 Rg5 7.Rc3 Rg8
8.Rcc1 Rg5 9.Rb1 Rg8 10.Kg3 Ra8
11.Ra1 Rg8 12.Ra2 Rb8 13.Ra3 Ra8
14.Nb2 (193.161.042) 28231

44/50 0:11 +1.25++ 1.e5 (333.586.083) 28587

44/50 0:12 +1.33++ 1.e5 (345.063.456) 28647

44/50 0:12 +1.46++ 1.e5 (352.545.686) 28701

44/63 0:15 +1.63++ 1.e5 (455.682.963) 29178

44/63 0:16 +1.88++ 1.e5 (477.349.190) 29208

44/63 0:20 +1.88 1.e5 (602.761.333) 29577

best move: e4-e5 time: 0:20.375 min n/s: 29.577.571 nodes: 602.761.333
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Dann Corbit
Posts: 12540
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Hard positions posted for 6 last moonths

Post by Dann Corbit »

These are my database entries for the positions in this thread:

Code: Select all

1rb1r3/5qk1/3b2p1/1PnPp1Pp/4B3/pP3Q2/P2N1B1P/1KR3R1 b - - acd 79; bm Qxf3; ce 185; pm Qxf3; pv Qxf3 Bxf3 Bf5+ Ka1 e4 Bd4+ Kg8 Be2 Nd3 Rc6 Bxh2 Rf1 Nb4 Nb1 Rbd8 Nxa3 Nxc6 bxc6 Kh7 Be3 Rxd5 b4 Bd6 Nc2 h4 b5 h3 b6 Rd3 b7 Rc3 Kb1 h2 Bb5 Bh3 Rd1 Rf8 Bb6 Bf1 Rxd6 h1Q Rd7+ Kg8 Bd4 Bd3+ Kb2 Rxc2+ Ka3 Qc1+; 
2k5/p2p4/1P6/P3p3/1q2N3/2p5/K7/7Q w - - acd 153; bm Nd6+; ce 32724; dm 22; c0 "https://www.yacpdb.org/#289487; http://elearning.usm.md/endgame/pgnlive/pgnlive.php?pid=15212"; c3 "Nd6+"; c6 "Arves.xxxxx"; id "yacpdb id 289487"; pm Nd6+; pv Nd6+ Qxd6 Qa8+ Qb8 b7+ Kc7 a6 d5 Ka3 e4 Kb3 d4 Kc2 e3 Kd3 c2 Kxc2 e2 Kd2 d3 Ke1 Qxa8 bxa8=Q Kb6 Qb7+ Ka5 Qxa7 Kb5 Qb7+ Kc5 a7 Kd6 a8=Q d2+ Kxd2 e1=Q+ Kxe1 Ke6 Qd5+ Kf6 Qf8+ Kg6 Qdf5+; 
2r1bq1k/2r2p1P/1p2pPp1/p2pP1N1/3P4/nPP5/R2Q2K1/2RN4 w - - acd 67; bm Rxa3; ce 1453; c3 "Rxa3"; c5 "2010.02.24;"; id "die.023"; pm Rxa3; pv Rxa3; 
3n1k2/2p1b3/B1R1PP2/2Nb4/2p5/pr4Rp/1PP2prP/4NK2 w - - acd 90; bm fxe7+; ce 0; c0 "Fortress draw"; pm fxe7+; pv fxe7+ Ke8 exd8=R+ Kxd8 e7+ Kxe7 Rxc7+ Kd6 Rd7+ Kxc5 Rxd5+ Kxd5 Bxc4+ Kxc4 cxb3+ Kb5 Nxg2 hxg2+ Kxf2 a2 b4 a1=Q Kxg2 Qa8+ Kg1 Qa7+ Kg2 Qb7+ Kg1 Qb6+ Kf1 Qf6+ Kg1 Qd4+ Kg2 Qe4+ Kg1 Qc2 h3 Qc1+ Kg2 Kb6 Kh2 Qc7 Kg2 Qe5 Rg6+ Kc7 Rg4 Qe2+ Kg1 Qd1+ Kg2 Qc2+ Kg1 Qb1+ Kg2 Kb7 Kh2 Kb6 Kg2 Qc2+ Kg1 Qd3 Kh2 Qe2+ Rg2 Qe5+ Rg3 Kb7 Kg2 Qd6 Rg4 Qd2+ Kh1 Qe1+ Kg2 Qe2+ Kg1 Qe3+ Kh2 Qf2+ Rg2 Qf7 Kh1 Qf1+ Kh2 Qd1 Rg7+ Kb6 Rg2 Qd6+ Rg3 Kc6 Kg2 Qd2+ Kg1 Kb7 Rg7+ Kb6 Rg6+ Kb5 Rg4 Qe1+ Kh2 Qf2+ Rg2 Qf4+ Rg3 Qe4 Kg1 Kb6 Kh2; 
3q1rk1/r2nbp1p/2p1p1pP/p1Nn4/3PN3/8/PPQB1PP1/1K1R3R w - - acd 60; bm g4; ce 56; c0 "Na4 has a similar score"; pm g4; pv g4 Nb4 Qc3 Nd5 Qc4 Qb8 Rc1 Nxc5 Nxc5 Rd8 a3 Qb5 Rc2 Qxc4 Rxc4 Nb6 Rcc1 Rxd4 Be3 Rc4 Nd7 Rxc1+ Rxc1 Rxd7 Bxb6 f5 Rxc6 a4 Rc4 Rb7 Bd4 e5 Bxe5 Bxa3 Rxa4 Bc5 f3 fxg4 fxg4 Kf7 Kc2 Bf8 Bf4 Ke6 Bd2 Bd6 Bc3 Bf8 Re4+ Kd5 Re5+ Kd6 g5 Be7 Kd3 Kd7 Ra5 Ke6 Ke4 Kd7 Kd4 Ke6; 
4kb2/2p3r1/1pP1P2Q/pP2K3/P7/8/8/8 w - - acd 83; bm Kd5; ce 309; pm Kd5; pv Kd5 Re7 Qh4 Rg7 Qf6 Re7 Qe5 Kd8 Qf5 Ke8 Qd3 Rg7 Qe2 Rg5+ Kc4 Rg7 Qe5 Rg4+ Kd5 Rg7 Ke4 Re7 Qd5 Bg7 Qf5 Kd8 Qh3 Bf8 Kd5 Rg7 Qh8 Ke8 Kc4 Rg4+ Kd3 Rg3+ Ke2 Rg2+ Kf3 Rg7 Qh4 Re7 Qh5+ Kd8 Qh8 Ke8 Kg4 Rg7+ Kf5 Re7 Kf6 Rg7 Qh5+ Kd8 Qd5+ Ke8 Qf5 Kd8 Qd3+ Ke8 Kf5 Re7 Kg4 Rg7+ Kh5 Re7 Qg6+ Kd8 Qg5 Bg7 Qd2+ Ke8 Qe2 Bc3 Qd3 Bg7 Qg6+ Kd8 Qh7 Ke8 Kg4 Bf8 Qh3 Bg7 Kf5 Kd8 Qg3 Ke8 Qe3 Bf8 Qg5 Kd8 Qg8 Ke8 Qh8 Rg7 Kf6 Re7; 
4kb2/Rpn1p1rP/1P1pBPN1/4p3/4P1Qn/3b4/1r2R1K1/3qN3 w - - acd 108; bm Kg3; ce 0; c0 "www.arves.org - Formela, Michal 1977"; c3 "Kg3"; pm Kg3; pv Kg3 Bxe2 Nf3 Bxf3 Ra8+ Nxa8 Bf7+ Kxf7 h8=N+ Kg8 f7+ Kh7 Qxh4+ Bh5 Qxh5+ Qxh5; 
5N1n/3P1p1p/5P1k/1Pp1P2p/4KP1P/2p5/p4b2/5N2 w - - acd 93; bm Ne3; ce 0; c0 "www.arves.org - Formela, Michal 1977"; c3 "Ne3"; pm Ne3; pv Ne3 Bxe3 Ng6 Nxg6 d8=N Nh8 Nc6 a1=Q Ne7 Qh1+ Kxe3 Qh3+ Ke2 Qg2+ Ke3; 
6r1/2kn1p2/2b1pp1p/2p4P/p1P1PKP1/3N1P2/3R4/6R1 w - - acd 63; bm e5; ce 423; pm e5; pv e5; 
7k/8/7K/p1P1p1p1/B7/3nN1p1/5r2/6B1 w - - acd 117; bm Bxf2; ce 15266; pm Bxf2; pv Bxf2 Nxc5 Bg1 Kg8 Bc6 Nd3 Nc4 Nf2 Bd5+ Kf8 Kxg5 a4 Kh4 Nd3 Kxg3 Nf4 Bc6 Ne2+ Kg2 e4 Bc5+ Kg7 Bd6 Kf7 Bd5+ Ke8 Bxe4 Nc3 Bc6+ Kf7 Bc5 Ke6 Na3 Na2 Kf3 Nc3 Bb6 Na2 Be4 Kd7 Bd3 Kc6 Bg1 Nb4 Bb5+ Kb7 Ke4 Na2 Bd4 Kb8 Nc4 Kb7 Bxa4 Nc1 Kf3 Na2 Ne5 Nb4 Ke4 Na6 Bb5 Nc7 Bc4 Ka8 Bc5 Kb7 Kf5 Ne8 Bd5+ Kc7 Nc4 Kb8 Bd6+ Nxd6+ Nxd6 Kc7 Nf7 Kb6; 
7k/pp1pBp1N/1p3Pp1/b3K1PR/P3P2p/R1n4P/2P1N1P1/3q4 w - - acd 61; bm Rxc3 Nf4; ce 1342; c0 "https://www.yacpdb.org/#289941; http://elearning.usm.md/endgame/pgnlive/pgnlive.php?pid=15666"; c3 "Rxc3"; c6 "Arves.08403"; c9 "alternate winning pv: Rxc3 d6+ Bxd6 Qa1 Nf8+ gxh5 Kd4 Kg8 g6 Bxc3+ Nxc3 Qg1+ Kc4 b5+ axb5 Qf1+ Kd5 Qxf6 e5 Qf1 gxf7+ Qxf7+ Ne6 Kh7 Ne2 a5 Nf4 a4 Kc5 Qf5 Kb6 a3 Bxa3 Qxe5 c4 Qb8 Be7 Kg8 c5 Kf7 Bxh4 Ke8 Nc7+ Kf7 Ncd5 Qe8 Be7 Kg7 g3 Kh6 Nf6 Qb8 N6xh5 Qe5 Nf6 Qe1 g4 Kg7 N6d5 Qd1 Bf6+ Kf7 g5 Qb3 h4 Qf3 h5 Qg3 g6+ Ke8 Kxb7 Kd7 h6"; pm Rxc3 Nf4; pv Nf4 h3 Qa1 Kh4 Bxh3 Kg5 exd4 f5 Nxh5 gxh5 Qc1+ Kg6 fxg4 Kf7 Bxe7 Kxe7 gxh5 Nf6 Qc5+ Kd8 Rg7 Nd7 Qxf5 Kc7 Rxd7+ Bxd7 Qe5+ Nd6 Qxh8 Nxe4 Bxd7 Kxd7; 
8/1p6/1Pp2N1q/p1Ppk2p/P3p3/3PPpPp/3K1P1P/2R5 w - - acd 83; bm Ng4+; ce 0; c0 "Fortress draw"; pm Ng4+; pv Ng4+ hxg4 d4+ Ke6 Rh1 Qf8 Ke1 Qa8 Kf1 Kf6 Kg1 Kf7 Kf1 Qg8 Kg1 Qb8 Kf1 Kf6 Ke1 Qe8 Kf1 Qd8 Ke1 Kg7 Kf1 Kh6 Rg1 Qa8 Rh1 Qh8 Rg1 Qd8 Rh1 Qa8 Kg1 Qh8 Kf1 Qg7 Ke1 Qg8 Kf1 Kg6 Kg1 Qd8 Kf1 Kf5 Rg1 Qa8 Rh1 Qh8 Rg1 Kf6 Rh1 Ke7 Kg1 Ke6 Kf1 Qf6 Ke1 Ke7 Kf1 Qg6 Rg1 Kd7 Rh1 Qg8 Kg1 Qf7 Kf1 Ke6 Ke1 Qh5 Kf1 Kf7 Ke1 Qh7 Kf1 Kg6 Ke1 Qh6 Kf1 Qg7 Rg1 Qd7 Rh1 Qf5 Ke1 Qc8 Kf1 Kg5 Kg1 Qh8 Kf1 Qb8 Ke1 Qa8 Kf1; 
k1b5/1p1p4/p1bP4/PP6/8/6N1/8/K7 w - - acd 134; bm b6; ce 32710; dm 29; c1 "#29; 02:00+ @ C0/R0/K2/P2/X12;"; id "ChestDB.6350"; pm b6; pv b6 Bf3 Nf5 Be4 Ne7 Kb8 Kb2 Bd3 Kc3 Bb5 Kd4 Be2 Ke5 Bf3 Kf6 Bh5 Kg7 Bg4 Kf7 Bh5+ Kf8 Ka8 Nxc8 Kb8 Na7 Bg4 Ke8 Be6 Kd8 Bf5 Nc8 Be6 Ne7 Bf7 Kxd7 Bh5 Kd8 Be2 Ng8 Bb5 Nf6 Ka8 Nd7 Bd3 Kc7 Bf5 Nc5 Bc8 Nd7 Bxd7 Kxd7 Kb8 Ke8 Ka8 d7 Kb8 d8=Q+; 
k7/P4pp1/1P6/2p1P3/2P1n3/p5pB/P4n2/K5b1 w - - acd 91; bm e6; ce 32708; dm 30; c0 "www.arves.org - Horning, Gerd 1964"; c3 "e6"; c6 "Arves.17338"; pm e6; pv e6 f5 e7 Nd6 Bxf5 Kb7 Bc8+ Nxc8 e8=Q Nxb6 Qb8+ Kc6 Qxg3 Ne4 Qxg1 Nd6 Qg2+ Kc7 Qxg7+ Kc6 Qg2+ Kc7 a8=Q Nxa8 Qxa8 Nxc4 Qd5 Nd6 Qxc5+ Kd7 Qxa3 Kc6 Qc3+ Kd5 a4 Nf5 Qb3+ Kd6 Qb6+ Ke5 a5 Nd4 a6 Nc2+ Kb2 Ne1 Qa5+ Kf6 Qxe1 Kf5 a7 Kf4 a8=Q Kf5 Qee4+ Kf6 Qh8+ Kf7 Qee8#; 
r1b1r1k1/1pBnnpp1/p1q1p2p/8/4N3/6Q1/2PRB1PP/5R1K w - - acd 61; bm Rxf7; ce 633; pm Rxf7; pv Rxf7 Kxf7 Nd6+ Qxd6 Bxd6 Nf5 Qf4 Kg8 Ba3 Nf6 Bb2 e5 Bxe5 g5 Qc4+ Be6 Qb4 Nd7 Ba1 Ng7 Qb2 Re7 Rd6 Nf8 Qf6 Rae8 Qxh6 g4 Kg1 Rf7 Bc3 Rc7 Bb2 Ba2 Bxg4 Re1+ Kf2 Re8 Bf5 Nxf5 Qh8+ Kf7 Rf6+ Ke7 Rxf5 Rxc2+ Kg1 Kd7 Rxf8 Re1+ Rf1 Rxf1+ Kxf1 Rc4 h4 Bb1 Qf6 Rc6 Qg7+ Ke6 h5 b5 h6 Rc5 Kf2 b4 Bd4 Rc6 h7 Bxh7 Qxh7 Kd5 Qd3 Rd6 Bc3+ Kc6 Qc4+ Kb7 Bxb4; 
r1bqk1nr/pp1pnppp/1bp5/1B6/3PP3/5N2/PP3PPP/RNBQ1RK1 w kq - acd 62; bm Bd3 d5; ce 43; c9 "alternate advantageous pv: d5 cxb5 d6 Nc6 e5 Kf8 Nc3 Qe8 Re1 Nd8 Nd5 Ne6 Nxb6 axb6 Qd5 h5 Be3 Nh6 Bxb6 Nf5 Rac1 g6 Qxb5 Rxa2 Rc4 Kg7 h3 Ra6 Rec1 Ra8 Qd5 Nh6 b4 Nf5 b5 Qg8 Qd2 Qh7"; pm Bd3 d5; pv Bd3; 
r2bbrk1/1q4pn/2np1p1p/2pNpP2/ppP1P1PP/3P1BQ1/PP1BNR2/R5K1 w - - acd 75; bm Kh1; ce 302; pm Kh1; pv Kh1; 
r2q1k2/1pb2p1n/1Pp4r/P2p3p/3Pp1p1/2B1P3/4BPPP/1R1Q1RK1 b - - acd 90; bm Bxh2+; ce 32688; dm 40; pm Bxh2+; pv Bxh2+ Kxh2 Qh4+ Kg1 Ng5 Bb4+ Ke8 Qc2 Rxa5 g3 Qh3 f4 exf3 Bxf3 Nxf3+ Rxf3 gxf3 Bxa5 Qxg3+ Kh1 f2 Qf5 Kd8 Qe5 Qh3+ Qh2 f1=Q+ Rxf1 Qxf1+ Qg1 Qf3+ Qg2 Rf6 Qxf3 Rxf3 Bd2 Rf2 Bb4 Re2 Kg1 Rxe3 Kg2 Kd7 Kf2 Re4 Bc5 Rg4 Kf3 Rg1 Kf2 Rg6 Bb4 h4 Bd2 h3 Bf4 Rf6 Kf3 Rxf4+ Kxf4 h2 Ke3 h1=Q Ke2 Qg2+ Ke3 Qc2 Kf3 Qd2 Kg3 Ke6 Kf3 Kf5 Kg3 Qe2 Kh3 Kf4 Kh4 Qh2+; 
r3kb1r/1p4pp/2q1pp2/1p2Q3/8/2P5/PP2B1PP/R4R1K w kq - acd 71; bm Rxf6; ce 236; c0 "http://talkchess.com/forum3/viewtopic.php?p=823353#p823353"; pm Rxf6; pv Rxf6 O-O-O Rf7 Rd5 Qe3 Bc5 Qg3 Rd7 Qxg7 Rxf7 Qxf7 Rf8 Qxh7 Bd6 Qg7 Qc5 Bf3 Bc7 Qh6 Qf5 Re1 Re8 Qh4 Rd8 a4 Kb8 axb5 Qxb5 Qf2 Bb6 Qc2 Rd3 Qc1 Rd6 Qh6 Bc7 Qg6 Qc4 g3 Rd2 Qxe6 Qxe6 Rxe6 Rxb2 Re8+ Ka7 c4 Rf2 Re3 Bd6 Rd3 Be5 Rb3 Rb2 Re3 Bd4 Re4 Bb6 Be2 Rb1+ Kg2 Rg1+ Kf3 Ba5 Re8 Bc7 Re6 Kb8 Kf2 Rc1 Re8+ Ka7 Kg2 Kb6 h4 Rc3 g4 Rg3+ Kf2 Rh3 h5 Bf4 Re4; 
r4rk1/1bpqbppp/p1n5/1p1np3/8/1B1P1N1P/PPPN1PP1/R1BQR1K1 w - - acd 74; bm a4; ce 11; id "15747"; pm a4; pv a4 Rae8 Ne4 Kh8 axb5 axb5 c3 f5 Ng3 Qd6 Qe2 Nb6 Ng5 Bxg5 Bxg5 Qg6 Bd2 Bc8 Kh2 f4 Ne4 f3 Qf1 fxg2 Qxg2 Qxg2+ Kxg2 Rd8 Be3 h6 Bc5 Rf5 f3 b4 Red1 bxc3 bxc3 Nd5 Kg3 Rh5 h4 Nde7 Bxe7 Nxe7 Ra8 Rf5 Be6 Rff8 Bxc8 Nxc8 Nf2 Ne7 Rxd8 Nf5+ Kg4 Ne3+ Kh3 Rxd8 Re1 Nd5 c4 Nb4 Kg3 Nc6 Re4 Rd7 f4 exf4+ Kxf4 Kg8 Ke3 Ne7 Rf4 Ng6 Rg4 Ne5 Rg3; 
r4rk1/pq4bp/np1P1pp1/2p3B1/Q7/5N2/P4PPP/1R1R2K1 w - - acd 75; bm d7; ce 173; c3 "d7"; pm d7; pv d7 Kh8; 
rnbqk2r/pp1p1ppp/3P1n2/b1p5/8/2N2N2/PP2PPPP/R1BQKB1R w KQkq - acd 60; bm g4; ce 171; c3 "Bg5"; pm g4; pv g4;
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Hard positions posted for 6 last moonths

Post by Vinvin »

Let's not forget the 35 positions from here : http://talkchess.com/forum3/viewtopic.p ... 62#p859162

Code: Select all

r1b1r1k1/p3nppp/2p1p3/q3P1B1/2P5/P1pB4/5PPP/1R1Q1RK1 w - - bm Bxh7+; id "TTT1.004";
2b2rk1/N1p3b1/p2p1n2/2PPp1q1/2B1Pn1p/PrN2P2/5RPB/R1Q4K b - - bm N6h5; id "TTT1.005";
r2b4/1r5k/2p1p1p1/1pPpPpPp/pQ1P1P1P/1bP3KB/8/1N6 b - - bm a3; id "TTT1.009";
1qrr1b2/6p1/ppkn1P2/3pP3/1PP5/2BP1pP1/BQ3P2/1RRN1n1K b - - bm Be7; id "TTT1.011";
b1r1r3/b1q2ppk/1p2pP1p/2Pp3Q/p2Nn3/3R4/1B4PP/5RK1 w - - bm Bc1; id "TTT1.016";
8/Q2qk1p1/p3p2p/3p4/1Pp5/P3PP1P/6P1/5K2 w - - bm Qxd7+; id "TTT1.019";
r1b3r1/b4p1k/P1p5/Pp2p1q1/4Pp1p/2PN3P/4QPPK/RR3B2 b - - bm Bxh3; id "TTT1.022";
3rr1bk/6np/2p1n3/1pPpNpPp/pP1QpP1P/P2PP3/2K5/B7 w - - bm Ng6+; id "TTT1.023";
1k5r/pbq2p2/4pP2/p1P3P1/5P1r/2p1Q3/P3B1P1/3R1RK1 w - - bm Rb1; id "TTT1.026";
3r1bk1/1Q1b1r2/1B3qn1/PN1Pp2n/4Pp1p/1P3P2/4B1PK/2R1N1R1 b - - bm Qg5; id "TTT1.029";
5r2/2p2r1k/1p1pNp2/3P1Pp1/PpP3Pp/1P5P/6K1/1R6 w - - bm Re1; id "TTT1.030";
r1b2rk1/1pqnbp1p/p3p1p1/4n1N1/3B4/PN1B2Q1/2P3PP/3R1R1K w - - bm Nc5; id "TTT1.034";
1rb2rk1/2q3pp/p2ppbP1/n1nB4/1p1NP2P/2N1B3/PPP1Q3/2KR2R1 w - - bm Nf5; id "TTT1.036";
8/r4b2/3p2k1/p1pPpR2/PpP1P3/1P3Pp1/6KP/8 w - - bm Rxf7; id "TTT1.041";
2k5/8/1p2q1p1/1P1p2r1/p1pP1p1p/P1P1pPP1/4P1BP/4N1RK w - - bm Bh3; id "TTT1.044";
1r1qr1k1/3bb1p1/3p1pPB/2p1pP2/2PnP3/p1Q2N1P/P2RB2K/6R1 w - - bm Nxd4; id "TTT1.046";
2b2rk1/3nbppp/1q2p3/n2pP3/p1pP1PN1/prP2N1P/2BB2PK/1R2QR2 w - - bm Bxh7+; id "TTT1.048";
k4r1r/Pp6/bP1bq1p1/3N2p1/R1pPppB1/4P1PP/5PK1/3QBR2 b - - bm f3+; id "TTT1.049";
1b2r1r1/5p1k/3pb1pB/2pnP1Q1/q2P1N2/p1P5/1p3PP1/1R2R1K1 w - - bm Re4; id "TTT1.050";
b4rk1/6np/3p1pp1/1r2p1PP/1p2P3/1PqN1P2/2P3RQ/1KBR4 b - - bm Bxe4; id "TTT1.053";
r4r1k/1p4pp/1p1p3q/p2Np1n1/P3Ppb1/2PP1N2/1P1RKPPP/R2Q4 b - - bm Nxf3 Bxf3+; id "TTT1.054";
rn3rk1/4bpp1/1qp4p/pp1nP3/2pP1B1N/P1N2BPb/1P5P/1R1Q1R1K w - - bm Bxh6; id "TTT1.055";
Q4nk1/3r1p2/1p4b1/pP2P1B1/7P/P1pp3P/7K/8 b - - bm Be4; id "TTT1.057";
r2q1rk1/2n1bpp1/b2p4/3Pp1PQ/1p6/p3B2P/PPPN1P2/2KR2R1 w - - bm Rg4; id "TTT1.060";
r4r1k/6p1/1pp1b1Bp/p5q1/8/2P2Q1P/1P3PP1/3RR1K1 w - - bm Qxf8+; id "TTT1.062";
5rqk/4R2p/5Pp1/1p4P1/4Q3/2p3P1/6K1/8 w - - bm Qe5 Qc6 Qb7 Kg1; id "TTT1.064";
1rr4k/1bq2pb1/p2ppNp1/2n1n1Pp/B3P2Q/2B2P1R/PPP4P/2KR4 w - - bm Bxe5; id "TTT1.067";
6k1/1p6/1Rb2p2/6p1/PKP2r2/2B5/1P6/8 w - - bm Rxc6; id "TTT1.074";
6k1/1b2rr1p/4R1pP/3p1pP1/p1pPpK2/PpP5/1P6/2B3N1 b - - bm e3; id "TTT1.079";
2rq1rk1/3bbpp1/3np3/2ppB1PQ/p1p2P2/1PP1P1N1/P6P/R4RK1 w - - bm Rf3; id "TTT1.080";
r1N2r2/2R2p2/5Rp1/p1P4p/2Kn1P1k/1P6/8/8 w - - bm Kxd4; id "TTT1.081";
n2r2k1/1p1r1ppp/3N4/2pQP3/P1Pb1P2/2N3PK/1P1P3P/R1B3q1 b - - bm Rxd6; id "TTT1.082";
2r3k1/1r3ppp/q1p1p3/2P1RP1P/b1pP2P1/P1n5/1P6/KBQ3R1 w - - bm f6; id "TTT1.087";
1k6/6Bq/b6p/2p2p2/1pPp3r/pP1Pb3/P1K3Q1/6Rr w - - bm Be5+; id "TTT1.088";
8/5pkp/1p6/p4p2/3P4/B5rP/1R6/7K w - - bm Rg2; id "TTT1.100";
[/quote]
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Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Hard positions posted for 6 last moonths

Post by Vinvin »

A very deep pawn endgame with many sacrifices to win : http://talkchess.com/forum3/viewtopic.p ... 73#p869973
2k5/1p3pp1/p1p1p1p1/2P1P1P1/PP1P1P1P/K7/8/8 w - - bm f5;
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peter
Posts: 3186
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Hard positions posted for 6 last moonths

Post by peter »

perejaslav wrote: ↑Mon Oct 12, 2020 6:56 pm And for ShashChess 15
And for SugaR-AI-ICCF:

951: LCZero v0.26.3-rc1_T60.SV.JH. - Stockfish 202009282242_nn-bae, TCEC S19 - Sufi 23.1 2020
6r1/2kn1p2/2b1pp1p/2p4P/p1P1PKP1/3N1P2/3R4/6R1 w - - 0 1

Analysis by SugaR AI ICCF 1.00 sse41-popcnt:

Code: Select all

77.Tb2 Ta8 78.Ke3 Sb6 79.Tc2 Kd6 80.Tcc1 
  +-  (1.89)   Tiefe: 7/9   00:00:00  157kN
...
77.Tgd1 Ta8 78.Ta2 Tb8 79.Ta3 Tg8 80.Te1 Td8 81.Tea1 Tg8 82.T3a2 Kd6 83.Sb2 Sb6 84.Sxa4 e5+ 85.Ke3 Sxa4 86.Txa4 Lxa4 
  +/-  (1.27)   Tiefe: 14/31   00:00:01  12698kN, tb=1363
77.e5 fxe5+ 78.Sxe5 Sxe5 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 f5 82.Kf2 e4 83.Tdd1 Kb6 84.f4 Txg4 85.Txg4 fxg4 86.f5 a3 87.f6 a2 88.Ta1 
  +-  (1.66)   Tiefe: 15/42   00:00:01  14411kN, tb=1664
...
77.e5 Sxe5 78.Sxe5 fxe5+ 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 f5 82.Kf2 f4 83.Te1 e4 84.fxe4 Txg4 85.Kf3 Tg5 86.Th2 Kd6 87.Kxf4 Ke6 88.Th4 Tg2 89.Tb1 a3 90.Tb6 Kd6 91.Th1 
  +-  (2.15)   Tiefe: 20/49   00:00:03  33837kN, tb=15743
77.e5 
  +-  (2.27 ++)   Tiefe: 21/49   00:00:04  43915kN, tb=24457
77.e5 Sxe5 
  +-  (2.19 --)   Tiefe: 21/49   00:00:04  44794kN, tb=25623
77.e5 Sxe5 78.Sxe5 fxe5+ 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 f5 82.Kf2 Le8 83.Td5 fxg4 84.Txc5+ Kd6 85.Td5+ Kc6 86.Txg4 Tf5 87.Tg3 Kb6 88.Tg8 Lxh5 89.Th8 Lxf3 90.Txh6+ Kc7 91.Tc5+ Kb7 92.Ke3 a3 93.Tb5+ Kc7 94.Ta5 
  +-  (2.15)   Tiefe: 21/49   00:00:04  48576kN, tb=30393
...
77.e5 fxe5+ 78.Sxe5 Sxe5 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 Tg8 82.Tgd1 f5 83.Te1 e4 84.Kf4 fxg4 85.fxg4 Ld7 86.Tg1 Le6 87.g5 Lxc4 88.g6 a3 89.Kxe4 Kc6 90.Ta1 Ta8 91.Kf5 Kb5 92.Kf6 Lb3 93.Kg7 c4 94.Kxh6 a2 95.Kg5 c3 96.Tg2 Ta5 97.h6 c2 98.h7 Kb4+ 99.Kg4 
  +-  (3.00)   Tiefe: 28/54   00:00:58  582MN, tb=616626
...
77.e5 fxe5+ 78.Sxe5 Sxe5 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 Tg8 82.Tgd1 f5 83.Te1 e4 84.Kf4 fxg4 85.fxg4 Tf8+ 86.Ke5 Te8+ 87.Kf6 Tg8 88.Tg1 Tg5 89.Tg3 Lb7 90.Td1 Kb6 91.Td8 La6 92.Th8 Lxc4 93.Txh6 Tg8 94.g5 Ta8 95.Ke5+ Kb5 96.Th7 Ld3 97.Tb7+ Kc4 98.h6 a3 99.Tg1 Te8+ 100.Kd6 e3 101.g6 Lxg6 102.Txg6 
  +-  (2.90)   Tiefe: 29/58   00:01:00  606MN, tb=650225
...
77.e5 Sxe5 78.Sxe5 fxe5+ 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 Tg8 82.Te1 f6 83.Ted1 f5 84.Te1 fxg4 85.fxg4 Ld7 86.Te4 Tg5 87.Tf2 Lc6 88.Tf7+ Kc8 89.Te3 Ld7 90.Txd7 Kxd7 91.Ta3 e4 92.Txa4 Tg8 93.Ta3 Tb8 94.Ta7+ Ke6 95.Kf4 Tb4 96.Ta6+ Kf7 97.Txh6 Txc4 98.Ke3 Tb4 99.Tc6 c4 100.g5 c3 101.Tc7+ Kg8 102.Txc3 
  +-  (2.85)   Tiefe: 30/70   00:01:25  871MN, tb=1078913
...
77.e5 Sxe5 78.Sxe5 fxe5+ 79.Kxe5 Tg5+ 80.Kf4 e5+ 81.Kg3 Tg8 82.Tf1 f6 83.Tfd1 f5 84.Te1 e4 85.Kf4 fxg4 86.fxg4 Ld7 87.Tg1 Le6 88.g5 Lxc4 89.g6 a3 90.Kxe4 Kc6 91.Ta1 Ta8 92.Ke5 Kb5 93.Td6 Ka4 94.g7 Ta7 95.Kf6 Lf7 96.Kf5 c4 97.Txh6 Lg8 98.Tg1 c3 99.Th8 
  +-  (3.11)   Tiefe: 31/60   00:02:02  1266MN, tb=1867917
24 threads of 12x3GHz Xeon X5670 CPU, 32G hash, 6men Syzygys, default net
nn-62ef826d1a6d.nnue
Peter.
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Dann Corbit
Posts: 12540
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Hard positions posted for 6 last moonths

Post by Dann Corbit »

There is a new batch coming and some of them are beauties
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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