Polugaevsky - Maslov 1963

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acase
Posts: 983
Joined: Wed Mar 15, 2006 1:14 am
Location: Columbus, Ohio USA
Full name: Andrew R Case

Polugaevsky - Maslov 1963

Post by acase »

Here is one of those positions that has several winning moves. Polugaevsky actually played 25.Rd5 here which almost all of the engines I've tried think this move only draws (however Polugaevsky went on to win a very nice game anyways). Deep Junior 2010 and Stockfish 1.6 seem to find the best move quickly which is 25.Be6 while most engines prefer 25.Rd3, 25.Rxd8, or 25.Bxf6 (all of which also win of course).

[d] 3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 25


What does your favorite engine think? would this be considered a "crook"?
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Polugaevsky - Maslov 1963

Post by zullil »

acase wrote:Here is one of those positions that has several winning moves. Polugaevsky actually played 25.Rd5 here which almost all of the engines I've tried think this move only draws (however Polugaevsky went on to win a very nice game anyways). Deep Junior 2010 and Stockfish 1.6 seem to find the best move quickly which is 25.Be6 while most engines prefer 25.Rd3, 25.Rxd8, or 25.Bxf6 (all of which also win of course).

[d] 3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 25


What does your favorite engine think? would this be considered a "crook"?
Crafty-23.1 takes 2 secs.:

Code: Select all

Crafty v23.1 (8 cpus)

White(1): setboard  3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 25 
White(1): st 900
search time set to 900.00.
White(1): book off
book file disabled.
White(1): display stats
display statistics at end of each search.
White(1): go
              time limit 15:00 (+0.00) (15:00)
              depth   time  score   variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
                6     0.05     +1   1. Rd3!                    
                6     0.06  -0.75   1. Rd3 Qc6 2. Rc3 Qc5+ 3. Kh1 Qb5 4.
                                    Rxc4 Qxc4
                6->   0.06  -0.75   1. Rd3 Qc6 2. Rc3 Qc5+ 3. Kh1 Qb5 4.
                                    Rxc4 Qxc4 (s=3)
                7     0.07  -0.70   1. Rd3 Rxd3 2. cxd3 Bxa2 3. Be6 Bb3
                                    4. Bxb3 axb3 (s=2)
                7->   0.08  -0.70   1. Rd3 Rxd3 2. cxd3 Bxa2 3. Be6 Bb3
                                    4. Bxb3 axb3
                8     0.11  -0.43   1. Rd3 Qc5+ 2. Kh1 Rxd3 3. cxd3 Bxa2
                                    4. Be6 Qc2 5. Ra1 fxe5 6. Rxa2
                8->   0.12  -0.43   1. Rd3 Qc5+ 2. Kh1 Rxd3 3. cxd3 Bxa2
                                    4. Be6 Qc2 5. Ra1 fxe5 6. Rxa2
                9     0.18  -0.16   1. Rd3 Rxd3 2. cxd3 Bg8 3. Ne6+ Bxe6
                                    4. Bxe6 Qc5+ 5. Kh1 Qc6 6. Bc4 fxe5
                                    7. fxe5+
                9     0.22     +1   1. Bxf6!                          
                9     0.24     +3   1. Bxf6!                          
                9     0.25     +M   1. Bxf6!                          
                9     0.27   3.55   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Nc6
                9->   0.27   3.55   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Nc6 (s=4)
               10     0.27     -1   1. Bxf6?                          
               10     0.29   3.15   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Rxd8 Rxd8 6. Nxd8 (s=3)
               10->   0.32   3.15   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Rxd8 Rxd8 6. Nxd8 (s=2)
               11     0.34     -1   1. Bxf6?                          
               11     0.37   1.77   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Qc5+ 6. Kh1 Qxc2
                                    7. e5 Qxa2
               11->   0.45   1.77   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Qc5+ 6. Kh1 Qxc2
                                    7. e5 Qxa2 (s=2)
               12     0.52   1.77   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Qc5+ 6. Kh1 Qxc2
                                    7. e5 Qxa2
               12->   0.71   1.77   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Qc5+ 6. Kh1 Qxc2
                                    7. e5 Qxa2 (s=4)
               13     0.81     +1   1. Bxf6!                          
               13     0.94   2.24   1. Bxf6 Bxf6 2. Be6 Bg7 3. Qh4 Bxe6
                                    4. Nxe6+ Kg8 5. Nxd8 Qc5+ 6. Kh1 Qxc2
                                    7. e5 Qxa2 8. Rd7 (s=3)
               13     2.04     +1   1. Be6!                           
               13     2.37     +3   1. Be6!                           
               13     3.10     +M   1. Be6!                           
               13     5.47   7.57   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Bd3
                                    4. cxd3 Qc2 5. Bg4 Qxa2 6. Ne6+ Qxe6
                                    7. Bxe6 fxe5 8. fxe5 Bxe5
               13->   5.47   7.57   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Bd3
                                    4. cxd3 Qc2 5. Bg4 Qxa2 6. Ne6+ Qxe6
                                    7. Bxe6 fxe5 8. fxe5 Bxe5
               14     6.26     +1   1. Be6!                           
               14     7.28     +3   1. Be6!                           
               14     9.93     +M   1. Be6!                           
               14    13.58  14.13   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxc8 Qc6 5. Bxf6 Bxf6 6. Be6 Bg7
                                    7. Rd8+ Qe8 8. Rxe8+ Kxe8 9. Bxc4
               14->  13.76  14.13   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxc8 Qc6 5. Bxf6 Bxf6 6. Be6 Bg7
                                    7. Rd8+ Qe8 8. Rxe8+ Kxe8 9. Bxc4
               15    16.57     +1   1. Be6!                           
               15    19.79     +3   1. Be6!                           
               15    23.18  15.82   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxc8 Qc6 5. Bxf6 Bxf6 6. Be6 Bg7
                                    7. Bxc4 Nd5 8. Bxd5 Qc3 9. Ne6+ Ke7
                                    10. Nxg7 Qxg3
               15->  23.54  15.82   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxc8 Qc6 5. Bxf6 Bxf6 6. Be6 Bg7
                                    7. Bxc4 Nd5 8. Bxd5 Qc3 9. Ne6+ Ke7
                                    10. Nxg7 Qxg3
               16    28.50     +1   1. Be6!                           
               16    35.12     +3   1. Be6!                           
               16    39.10  17.31   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Qxe5
                                    4. fxe5 fxg5 5. Bxc4 Rb8 6. Rf1+ Ke8
                                    7. Qxg7 Kd7 8. Bb5+ Kc8 9. Qxe7 Kb7
                                    10. Bxa4 Rh8+ 11. Kg2
               16->  44.85  17.31   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Qxe5
                                    4. fxe5 fxg5 5. Bxc4 Rb8 6. Rf1+ Ke8
                                    7. Qxg7 Kd7 8. Bb5+ Kc8 9. Qxe7 Kb7
                                    10. Bxa4 Rh8+ 11. Kg2 (s=3)
               17    56.10     +1   1. Be6!                           
               17     1:05  18.20   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxf6 Bxe6 5. Qxg7+ Ke8 6. Nxe6 Qh5+
                                    7. Kg2 Nd5 8. Rxd5 Qe2+ 9. Kh3 Qf1+
                                    10. Kh4 Qh1+ 11. Kg4 Qh5+ 12. Rxh5
                                    gxh5+ 13. Kxh5 (s=2)
               17->   1:07  18.20   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxf6 Bxe6 5. Qxg7+ Ke8 6. Nxe6 Qh5+
                                    7. Kg2 Nd5 8. Rxd5 Qe2+ 9. Kh3 Qf1+
                                    10. Kh4 Qh1+ 11. Kg4 Qh5+ 12. Rxh5
                                    gxh5+ 13. Kxh5
               18     1:30     +1   1. Be6!                           
               18     1:52     +3   1. Be6!                           
               18     3:00  21.58   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Qxe5
                                    4. fxe5 fxg5 5. Bxc4 Ra8 6. Rf1+ Ke8
                                    7. e6 Nf5 8. exf5 gxf5 9. Bb5+ c6 10.
                                    Qxg7 Ra7 11. Bxc6+ Kd8 12. Qxa7
               18->   3:05  21.58   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Qxe5
                                    4. fxe5 fxg5 5. Bxc4 Ra8 6. Rf1+ Ke8
                                    7. e6 Nf5 8. exf5 gxf5 9. Bb5+ c6 10.
                                    Qxg7 Ra7 11. Bxc6+ Kd8 12. Qxa7
               19     4:34     +1   1. Be6!                           
               19     5:50  22.75   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxf6 Bxe6 5. Qxg7+ Ke8 6. Nxe6 Qh5+
                                    7. Kg2 Qe2+ 8. Kh3 Qf1+ 9. Kh4 Qh1+
                                    10. Rxh1 Kd7 11. Qxe7+ Kc6 12. Nd8+
                                    Rxd8 13. Qxd8 Kb7 14. Qd5+ <HT>
               19->   6&#58;06  22.75   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxf6 Bxe6 5. Qxg7+ Ke8 6. Nxe6 Qh5+
                                    7. Kg2 Qe2+ 8. Kh3 Qf1+ 9. Kh4 Qh1+
                                    10. Rxh1 Kd7 11. Qxe7+ Kc6 12. Nd8+
                                    Rxd8 13. Qxd8 Kb7 14. Qd5+ <HT>
               20     9&#58;30     +1   1. Be6!                           
               20    12&#58;44  23.88   1. Be6 Qc5+ 2. Kh1 Rxd1 3. Rxd1 Rc8
                                    4. Bxf6 Bxe6 5. Qxg7+ Ke8 6. Nxe6 Qh5+
                                    7. Kg2 Qe2+ 8. Kh3 Qf1+ 9. Rxf1 Kd7
                                    10. Qxe7+ Kc6 11. Nd8+ Rxd8 12. Qxd8
                                    b5 13. Qe8+ Kc5 14. Be7+ Kb6 15. Qxg6+
                                    Kb7
              time=15&#58;00  mat=0  n=20883769677  fh=82%  nps=23.2M     
              extensions=1284.3M qchecks=2180.9M reduced=689.1M pruned=1326.3M
              predicted=0  evals=1879.1M  50move=0  EGTBprobes=0  hits=0
              SMP->  splits=1373151  aborts=247046  data=72/512  elap=15&#58;00
terminating SMP processes.
White&#40;1&#41;&#58; Be6
              time used&#58;  15&#58;00
User avatar
meschle
Posts: 200
Joined: Tue Apr 01, 2008 11:53 pm

Re: Polugaevsky - Maslov 1963

Post by meschle »

acase wrote:Here is one of those positions that has several winning moves. Polugaevsky actually played 25.Rd5 here which almost all of the engines I've tried think this move only draws (however Polugaevsky went on to win a very nice game anyways). Deep Junior 2010 and Stockfish 1.6 seem to find the best move quickly which is 25.Be6 while most engines prefer 25.Rd3, 25.Rxd8, or 25.Bxf6 (all of which also win of course).

[d] 3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 25


What does your favorite engine think? would this be considered a "crook"?
Good test position Be6 Spark 0.3a 1 second, Bright 0.5c 7 seconds, Rybka winfinder 36 secs Gaviota 58 secs :)
Regards Mark

Quad Q6600 3.0 Ghz, Vista 64bit, 4gb Ram
kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: Polugaevsky - Maslov 1963

Post by kgburcham »

[D] 3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 1

Zappa

15/49 1:08 +11.35 1.Bxf6 Qc5+ 2.Kh2 Nf5 3.Qxg6 Rxd1 4.Nh7+ Kg8 5.Qxe8+ Kxh7
15/49 1:55 +M16 1.Be6 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Rc8 4.Bxf6 Bxe6 5.Qxg7+ Ke8

Rybka 3

11.25 0:21 +4.55++ 1.Be6 (6.482.650) 313
11.01 0:48 +7.75++ 1.Be6 (15.977.375) 334
11.01 1:47 +13.91 1.Be6 (37.698.204) 358
12.01 3:20 +19.85 1.Be6 (89.619.844) 458
13.01 3:31 +M28 1.Be6 (96.929.686) 469
14.01 3:43 +M23 1.Be6 (104.507.442) 479
15.01 3:58 +M23 1.Be6 (114.034.235) 489
User avatar
Rubinus
Posts: 1161
Joined: Thu Jan 18, 2007 4:05 pm
Location: Prague
Full name: Pavel Háse

Re: Polugaevsky - Maslov 1963

Post by Rubinus »

blind after 30min.
3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 1

Analysis by FireBird 1.0 beta x64(clone or derrivate?):

1.Ba1 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Bxa2 4.Rd2 Nf5
-/+ (-0.93) Depth: 6 00:00:00 33kN
1.Rd3 Qc5+ 2.Kh1 Bg8 3.Be6 Rxd3 4.Bxg8 Nxg8 5.cxd3 fxe5 6.fxe5+ Bf6 7.exf6 Qxg5 8.Qxc7 Nxf6 9.Qxb6
=/+ (-0.44) Depth: 6 00:00:00 58kN
1.Rd3 Qc5+ 2.Kh1 Bg8 3.Be6 Rxd3 4.Bxg8 Nxg8 5.cxd3 fxe5 6.fxe5+ Bf6 7.exf6 Qxg5 8.Qxc7 Nxf6 9.Qxb6
=/+ (-0.44) Depth: 6 00:00:00 58kN
1.Rd3 Qc5+ 2.Kh1 Bg8 3.Be6 Rxd3 4.Bxg8 Nxg8 5.cxd3 fxe5 6.fxe5+ Bf6 7.exf6 Qxg5 8.Qxc7 Nxf6 9.Qxb6
=/+ (-0.52) Depth: 7 00:00:00 78kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
=/+ (-0.60) Depth: 7 00:00:00 86kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
-/+ (-0.72) Depth: 7 00:00:00 90kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
-/+ (-0.90) Depth: 7 00:00:00 104kN
1.Ba1 Qc6 2.Rfe1 Bxa2 3.Rxd8 Rxd8 4.Rc1 Bg8
-/+ (-1.05) Depth: 7 00:00:00 148kN
1.Ba1 Qc6 2.Rfe1 Bxa2 3.Rxd8 Rxd8 4.Rc1 Bg8
-/+ (-1.05) Depth: 7 00:00:00 180kN
1.Rde1
-/+ (-0.97) Depth: 8 00:00:00 233kN
1.Rde1 Qc6 2.Rf3 Bg8 3.Rc3 Bxh7 4.Nxh7+ Kf7 5.Rxc6 Nxc6 6.Bxc7
-/+ (-0.94) Depth: 8 00:00:00 239kN
1.Rde1 Qc6 2.Rf3 Bg8 3.Rc3 Bxh7 4.Nxh7+ Kf7 5.Rxc6 Nxc6 6.Bxc7
-/+ (-0.94) Depth: 8 00:00:00 240kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
-/+ (-0.86) Depth: 9 00:00:00 316kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
-/+ (-0.78) Depth: 9 00:00:00 325kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
=/+ (-0.66) Depth: 9 00:00:00 334kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
=/+ (-0.48) Depth: 9 00:00:00 348kN
1.Rd3 Qc5+ 2.Kh1 Qc6 3.Rf2 Bxa2 4.Rc3 Rd1+ 5.Kg2
= (-0.21) Depth: 9 00:00:00 380kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Rf1 Qe3+
= (0.00) Depth: 9 00:00:00 446kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Rf1 Qe3+
= (0.00) Depth: 9 00:00:00 473kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Rf1 Qe3+
= (0.08) Depth: 10 00:00:00 677kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Kg2 Qxe4+ 8.Rf3 Qe2+ 9.Rf2 Qe4+
= (0.16) Depth: 10 00:00:00 760kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Kg2 Qxe4+ 8.Rf3 Qe2+ 9.Rf2 Qe4+
+/= (0.28) Depth: 10 00:00:00 888kN
1.Rd3 Rxd3 2.cxd3 Bg8 3.Ne6+ Bxe6 4.Bxe6 Qxd3 5.Bxf6 Qe3+ 6.Rf2 Qe1+ 7.Kg2 Qxe4+ 8.Rf3 Qe2+ 9.Rf2 Qe4+
+/= (0.46) Depth: 10 00:00:00 1034kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Kf6 9.f5 Rd8
+/= (0.55) Depth: 10 00:00:00 1200kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Kf6 9.f5 Rd8
+/= (0.55) Depth: 10 00:00:00 1233kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Kf6 9.f5 Rd8
+/= (0.63) Depth: 11 00:00:00 1720kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kg2 b5 12.e5+ Kf5 13.Bf7 Nd5 14.Bxd5 Rxd5
+/= (0.63) Depth: 11 00:00:00 1742kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kg2 b5 12.e5+ Kf5 13.Bf7 Nd5 14.Bxd5 Rxd5
+/= (0.63) Depth: 11 00:00:01 1794kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kg2 b5 12.e5+ Kf5 13.Bf7 Nd5 14.Bxd5 Rxd5
+/= (0.63) Depth: 12 00:00:01 2736kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kg2 b5 12.e5+ Kf5 13.Bf7 Nd5 14.Bxd5 Rxd5
+/= (0.63) Depth: 12 00:00:01 2872kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kg2 b5 12.e5+ Kf5 13.Bf7 Nd5 14.Bxd5 Rxd5
+/- (0.71) Depth: 13 00:00:02 4516kN
1.Rd3 Qc5+ 2.Kh1 Qb5 3.Ne6+ Bxe6 4.Bxe6 Rxd3 5.Bxf6 Qh5+ 6.Qxh5 gxh5 7.Bxg7+ Kxg7 8.cxd3 Rd8 9.Rd1 Kf6 10.Bc4 c6 11.Kh2 b5 12.e5+ Kg6 13.Be6 Nf5 14.Kh3
+/- (0.78) Depth: 13 00:00:02 5368kN
1.Bxf6
+/- (0.79) Depth: 13 00:00:02 5961kN
1.Bxf6
+/- (0.91) Depth: 13 00:00:02 6101kN
1.Bxf6
+/- (1.09) Depth: 13 00:00:02 6261kN
1.Bxf6
+/- (1.36) Depth: 13 00:00:03 6835kN
1.Bxf6
+- (1.76) Depth: 13 00:00:03 7417kN
1.Bxf6
+- (2.36) Depth: 13 00:00:04 9432kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe8+ Qf8 10.Qxg6+ Qg7 11.Qe6+ Kh7 12.Kg2 Rd2+ 13.Rf2 Rd6 14.Qe8 Qd4 15.Re2 Qc4
+- (2.62) Depth: 13 00:00:04 10840kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe8+ Qf8 10.Qxg6+ Qg7 11.Qe6+ Kh7 12.Kg2 Rd2+ 13.Rf2 Rd6 14.Qe8 Qd4 15.Re2 Qc4
+- (2.62) Depth: 13 00:00:04 10869kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe8+ Qf8 10.Qxg6+ Qg7 11.Qe6+ Kh7 12.Kg2 Rd2+ 13.Rf2 Rd6 14.Qe8 Qd7 15.Qe5 Rd2 16.Qf4 Rxf2+ 17.Kxf2 Qc6 18.Qh4+ Kg8
+- (2.54) Depth: 14 00:00:05 11465kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe8+ Qf8 10.Qxg6+ Qg7 11.Qe6+ Qf7 12.Qc8+ Qf8 13.Qxc7 Rxe4 14.Qxb6 Re2 15.Qc6 Qe8 16.Qc4+ Kf8 17.Rf3 Qe4
+- (2.46) Depth: 14 00:00:05 11756kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qe5 13.Kg2 Qe6 14.Qh6+ Kf7 15.Qg7+ Ke8 16.Qh8+ Kf7 17.Qh5+ Kg8 18.Re2 Qf7
+- (2.69) Depth: 14 00:00:06 13607kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qe5 13.Kg2 Qe6 14.Qh6+ Kf7 15.Qg7+ Ke8 16.Qh8+ Kf7 17.Qh5+ Kg8 18.Re2 Qf7
+- (2.69) Depth: 14 00:00:06 13611kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qe5 13.Kg2 Qe6 14.a3 Qc4 15.g4 Qc3 16.Qh6+ Kg8 17.Qh5 Rf7 18.Qg5+ Kf8 19.Qh6+ Kg8
+- (2.77) Depth: 15 00:00:07 16371kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qe5 13.Kg2 Qe6 14.a3 Qc4 15.g4 Qc3 16.Qh6+ Kg8 17.Qh5 Rf7 18.Qg5+ Kf8 19.Qh6+ Kg8
+- (2.79) Depth: 15 00:00:07 17966kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qe5 13.Kg2 Qe6 14.a3 Qc4 15.g4 Qc3 16.Qh6+ Kg8 17.Qh5 Rf7 18.Qg5+ Kf8 19.Qh6+ Kg8
+- (2.79) Depth: 15 00:00:08 18174kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.Kg2 Qc4 14.a3 c6 15.Qh6+ Ke8 16.Qh5+ Kf8 17.Qf5 Rd8 18.e5 Qa2 19.Qg5 Qd5+ 20.Kh3 Qe6+ 21.g4
+- (2.87) Depth: 16 00:00:10 24356kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.Kg2 Qc4 14.a3 c6 15.Qh6+ Ke8 16.Qh5+ Qf7 17.Qf5 Kf8 18.e5 Qd5+ 19.Kh3 Rd8 20.g4 Re8 21.Re2
+- (2.81) Depth: 16 00:00:11 26426kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.Kg2 Qc4 14.a3 c6 15.Qh6+ Ke8 16.Qh5+ Qf7 17.Qf5 Kf8 18.e5 Qd5+ 19.Kh3 Rd8 20.g4 Re8 21.Re2
+- (2.81) Depth: 16 00:00:11 26811kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.Kg2 Qc4 14.a3 b5 15.Qh6+ Kg8 16.Qh4 Kf8 17.Qh8+ Kf7 18.Qh7+ Ke8 19.Qf5 c5 20.e5 Qd5+ 21.Rf3 Kf8 22.g4 b4
+- (2.89) Depth: 17 00:00:15 37277kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.Kg2 Qc4 14.a3 c5 15.Qh6+ Kg8 16.Qh4 Kf8 17.Qh8+ Qg8 18.Qh6+ Ke8 19.Qh5+ Qf7 20.Qf5 Kf8 21.e5 Qd5+ 22.Kh3 b5 23.Qh5 b4 24.Qh8+ Qg8 25.Qh6+ Kf7
+- (2.97) Depth: 17 00:00:19 46329kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe6 15.Qh6+ Kf7 16.Kg3 c5 17.g5 Qxe4 18.Qg7+ Ke6 19.Qg8+ Kd6 20.Rd2+ Kc6 21.Rxd7 Qe3+ 22.Kh4 Qe4+ 23.Kh5 Qe2+ 24.Kg6 Kxd7 25.Qd5+ Ke8
+- (3.09) Depth: 17 00:00:23 57207kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe6 15.Qh6+ Kf7 16.Kg3 c5 17.g5 Qxe4 18.Qg7+ Ke6 19.Qg8+ Kd6 20.Rd2+ Kc6 21.Rxd7 Qe3+ 22.Kh4 Qe4+ 23.Kh5 Qe2+ 24.Kg6 Kxd7 25.Qd5+ Ke8
+- (3.27) Depth: 17 00:00:30 72595kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kf8 19.a3 Qc6+ 20.Kh2 Qd5 21.Kg3 c6 22.Qh8+ Kf7 23.Qh7+ Kf8
+- (3.54) Depth: 17 00:00:40 98671kN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 17 00:00:50 122mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 17 00:00:51 124mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 18 00:00:57 140mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 18 00:00:58 142mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 19 00:01:04 157mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8
+- (3.67) Depth: 19 00:01:06 162mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kg8 25.Rd3 b5 26.Rxd7 Qxd7 27.Qg5+ Kf8 28.Qh6+ Kg8 29.g5
+- (3.75) Depth: 20 00:01:49 268mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rd4 26.Qh6+ Ke8 27.Rxd4 cxd4
+- (3.83) Depth: 20 00:02:18 339mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh8+ Kf7 28.Qg7+ Ke8 29.Qg6+ Qf7 30.Qe4 b4 31.Kf4 b3 32.Qc6+ Qd7 33.Qxc5
+- (3.95) Depth: 20 00:03:02 444mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Re3 Rd4 25.Qh5+ Kf8 26.Rd3 Rxd3+ 27.cxd3 b5 28.Qh8+ Kf7 29.Qg7+ Ke8 30.Qg6+ Qf7 31.Qe4 Qc7 32.Kf4 Kf8 33.g5
+- (4.13) Depth: 20 00:04:06 600mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kf8 20.a3 c5 21.Kg3 Qa2 22.Qh8+ Kf7 23.Rf3 Qe6 24.Qh5+ Kf8 25.Rd3 Rxd3+ 26.cxd3 b5 27.Qh6+ Ke8 28.Qh8+ Kf7 29.Qg7+ Ke8 30.Qg6+ Qf7 31.Qe4 Qc7 32.Kf4 Kf8 33.g5
+- (4.40) Depth: 20 00:05:36 817mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+
+- (4.80) Depth: 20 00:08:05 1180mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kg8 20.Kg3 Rh7 21.Qg6+ Kh8 22.Re2 a3 23.c3 c6 24.Qd3 Kg8 25.Qd8+ Kf7 26.Qxb6 Qd5 27.Qb7+ Kg8
+- (4.74) Depth: 20 00:08:07 1186mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf8 17.e5 Qe6 18.Qh6+ Kf7 19.Qh5+ Kg8 20.Kg3 Rh7 21.Qg6+ Kh8 22.Re2 a3 23.c3 c6 24.Qd3 Kg8 25.Qd8+ Kf7 26.Qxb6 Qd5 27.Qb7+ Kg8
+- (4.74) Depth: 20 00:08:11 1195mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (4.82) Depth: 21 00:09:23 1372mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (4.90) Depth: 21 00:10:03 1468mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (5.02) Depth: 21 00:10:50 1578mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (5.20) Depth: 21 00:11:52 1728mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (5.47) Depth: 21 00:13:09 1911mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (5.87) Depth: 21 00:15:04 2189mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (6.47) Depth: 21 00:17:58 2614mN
1.Bxf6 Bxf6 2.Be6 Bg7 3.Qh4 Bxe6 4.Nxe6+ Kg8 5.Rxd8 Rxd8 6.Qxe7 Bd4+ 7.Nxd4 Rxd4 8.f5 Qc5 9.Qe6+ Kg7 10.Qxg6+ Kf8 11.f6 Rd7+ 12.Rf2 Qd4 13.g4 Qe5 14.Kg2 Qe8 15.Qh6+ Kg8 16.Qg5+ Kf7 17.e5 Qe6 18.Qh5+ Kg8 19.Kg3 Rh7 20.Qg6+ Kh8 21.Re2 Qxa2 22.Qe8+ Qg8 23.Qxa4 Qd5 24.Qe8+ Qg8 25.Qc6 Qg5 26.Qa8+ Qg8 27.Qe4 Qg5 28.Rd2 Rh3+ 29.Kxh3 Qxd2 30.Qd3 Qh6+ 31.Kg3 Kg8
+- (7.37) Depth: 21 00:22:20 3259mN
rlsuth
Posts: 322
Joined: Wed Mar 08, 2006 9:37 pm

Re: Polugaevsky - Maslov 1963

Post by rlsuth »

kgburcham wrote:
Zappa

15/49 1:55 +M16 1.Be6 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Rc8 4.Bxf6 Bxe6 5.Qxg7+ Ke8

Rybka 3

15.01 3:58 +M23 1.Be6 (114.034.235) 489


Hiarcs finds a mate in 15 after about 5 minutes.




.
kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: Polugaevsky - Maslov 1963

Post by kgburcham »

[D] 3rrk2/2p1n1bQ/1p3pp1/1q2B1N1/p1b1PP2/6PB/P1P5/3R1RK1 w - - 0 1

Deep Hiarcs Paderborn 2007:

1.Be6
+- (3.30) Depth: 12/35 00:00:04 9060kN
1.Be6
+- (3.34) Depth: 12/35 00:00:04 9206kN
1.Be6 Rxd1 2.Bxf6 Rxf1+ 3.Kg2 Rg1+ 4.Kxg1 Qb1+ 5.Kh2 Qxc2+ 6.Kh3 Bf1+ 7.Kg4 Qe2+ 8.Nf3 Bh3+ 9.Kxh3 Qf1+ 10.Kg4 Qxf3+ 11.Kxf3
+- (8.65) Depth: 12/35 00:00:07 14533kN
1.Be6
+- (8.90) Depth: 13/41 00:00:10 19807kN
1.Be6 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Bd5 4.Rxd5
+- (21.26) Depth: 13/41 00:00:34 82365kN
1.Be6
+- (21.51) Depth: 14/41 00:00:37 87881kN
1.Be6 Qxe5 2.fxe5
+- (28.48) Depth: 14/41 00:00:44 108mN
1.Be6 Qc5+ 2.Kh1
+- (28.55) Depth: 15/41 00:00:46 113mN
1.Be6
+- (28.80) Depth: 16/41 00:00:51 126mN
1.Be6
+- (#20) Depth: 16/43 00:00:56 140mN
1.Be6 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Rc8 4.Bxf6 Bxe6 5.Qxg7+ Ke8 6.Nxe6 Qh5+ 7.Kg2 Qe2+ 8.Kh3 Qf1+ 9.Rxf1 Kd7 10.Qxe7+ Kc6 11.Nd8+ Rxd8 12.Qxd8 Kb7 13.Be5 b5 14.Qxc7+ Ka6 15.Qc8+ Ka5 16.Bd4
+- (#19) Depth: 16/43 00:01:02 159mN
1.Be6 Qc5+ 2.Kh1 Rxd1 3.Rxd1 Rc8 4.Bxf6 Bxe6 5.Qxg7+ Ke8 6.f5 Bxa2 7.Ne6 Bxe6
+- (#15) Depth: 17/43 00:02:23 398mN