Insane Queen-Sac in ccc22 Bullet-Semis

[pohl4711]

My Interesting Wins Search Tool filtered the 1200 games of the just finished Bullet Semifinals on chesscom (ccc22). This game was on the first rank of the found games, my tool finds insteresting. And, what can I say, the tool is right. This game is insane. The madness starts with 18.Ng5!! and the following 12 moves are just - no words to describe...after 30 moves, it is just a winning endgame.
See yourself:

(as usual in ccc, my UHO-openings are used: 8 moves (16 plies), and white always is slightly better. And mention, the chesscom-machine is brutally fast (15x faster than an normal 8core machine), so 1min+1sec thinking-time still leads to high-level chess.)

[pgn]
[Event "CCC22 Bullet: Semifinals (1|1)"]
[Site "Chess.com"]
[Date "2024.05.17"]
[Round "325"]
[White "Stockfish"]
[Black "Dragon"]
[Result "1-0"]
[ECO "B11"]
[Opening "Caro-Kann"]
[Variation "Two knights, 3...Bg4"]
[TimeControl "60+1"]
[Annotator "IWS-Tool: Queen Sacrifice found in this game"]
[PlyCount "115"]
[GameDuration "00:03:52"]
[GameEndTime "2024-05-17T19:13:56.967 PDT"]
[GameStartTime "2024-05-17T19:10:04.752 PDT"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Qb6 7. Qd3 Na6 8.
a3 Ne7 9. Be2 Rd8 10. Be3 dxe4 11. Nxe4 Nd5 12. h4 Be7 13. O-O-O O-O 14.
Bg5 Qc7 15. Qf3 f6 16. Bd2 b5 17. Bd3 Qb6 18. Ng5 fxg5 19. Bxh7+ Kh8 20.
hxg5 Rxf3 21. Bf5+ Kg8 22. Bxe6+ Rf7 23. g6 Rf8 24. Rh3 Qxd4 25. Rdh1 Qh4
26. Rxh4 Bxh4 27. Rxh4 Nc5 28. gxf7+ Rxf7 29. Bxf7+ Kxf7 30. Rh8 Nc7 31.
Rc8 Nd5 32. Rxc6 Ne4 33. f3 Nef6 34. Ra6 Ne8 35. Rxa7+ Ke6 36. Rb7 Ndc7 37.
Bf4 Nd5 38. Bg3 Ne7 39. Rxb5 Nf6 40. a4 Nfd5 41. a5 Nc8 42. Rc5 Nce7 43. a6
Nb6 44. a7 g6 45. Bh4 g5 46. Bxg5 Ned5 47. Bd8 Na8 48. Rc8 Nb4 49. Rxa8 Nc6
50. b4 Nxa7 51. Rxa7 Kf5 52. Kd2 Ke6 53. Kc3 Kd6 54. Kd4 Ke6 55. c4 Kf5 56.
Ra6 Kf4 57. Bh4 Kf5 58. Rf6# 1-0
[/pgn]


My Interesting Wins Search Tool is free and can be downloaded on my website:
https://www.sp-cc.de/files/interesting_ ... ch_tool.7z
For filtering these 1200 games, my IWS-tool just needed some seconds, by the way: It is brutally fast and can search much bigger databases very quickly.

[Rebel]

Easy find for many engines I think, yet very spectacular.

[pohl4711]

Easy find for many engines I think, yet very spectacular.

Yes, but the question is, how long need engines to not play 17...Qb6? (or something comparable), which leads to the following disaster for black... without MultiPV and backwards-analysis and so on...

[pohl4711]

Here the game up to move 29 with full comments (eval, depth etc.).
Move 17 of black up to move 20 of black are highlighted, because KomodoDragon understands nothing until move 20.
Mention, that KomodoDragon gets 150-200 million nps on the chesscom-hardware, so besides the bullet-speed, the engines can think very deep.

[Event "CCC22 Bullet: Semifinals (1|1)"]
[Site "Chess.com"]
[Date "2024.05.17"]
[Round "325"]
[White "Stockfish"]
[Black "Dragon"]
[Result "1-0"]
[ECO "B11"]
[Opening "Caro-Kann"]
[Variation "Two knights, 3...Bg4"]
[TimeControl "60+1"]
[Annotator "IWS-Tool: Queen Sacrifice found in this game"]
[PlyCount "115"]
[GameDuration "00:03:52"]
[GameEndTime "2024-05-17T19:13:56.967 PDT"]
[GameStartTime "2024-05-17T19:10:04.752 PDT"]

1. e4 { book } 1... c6 { book } 2. Nc3 { book } 2... d5 { book } 3. Nf3 {
book } 3... Bg4 { book } 4. h3 { book } 4... Bxf3 { book } 5. Qxf3 { book }
5... e6 { book } 6. d4 { book } 6... Qb6 { book } 7. Qd3 { book } 7... Na6
{ book } 8. a3 { book } 8... Ne7 { book } 9. Be2 { +0.98/29 3.8s, ev=0.98,
d=29, pd=Rd8, mt=00:00:03, tl=00:00:57, s=86137 kN/s, n=328183338, pv=Be2
Rd8 Be3 dxe4 Nxe4 Nd5 O-O-O Be7 h4 O-O Bg5 Qc7 Qf3 f6 Bd2 b5 Bd3 Qb6 Ng5
fxg5 Bxh7+ Kh8 hxg5 Rxf3 Bf5+ Kg8 Bxe6+ Rf7 g6 Bxa3 Bxf7+ Kf8 Rde1 Bxb2+
Kb1 Nc3+ Kxb2 Na4+ Kb1, tb=8, R50=50, wv=0.98 } 9... Rd8 { -0.84/24 2.7s,
ev=-0.84, d=24, pd=Be3, mt=00:00:02, tl=00:00:58, s=151455 kN/s,
n=413777355, pv=Rd8 Be3 dxe4 Nxe4 Nd5 O-O-O Be7 h4 O-O Bg5 Qc7 Kb1 c5 Bxe7
Qxe7 Qg3 cxd4 Bxa6 bxa6 Rxd4 f5 Nc3 Qc5 Rd3 Nf6 Rhd1 Rxd3 Rxd3 h6 Qf4 Re8
Rd2 a5 f3 Kf7 Na4 Qc6, tb=0, R50=49, wv=0.84 } 10. Be3 { +1.09/24 1.8s,
ev=1.09, d=24, pd=dxe4, mt=00:00:01, tl=00:00:56, s=89627 kN/s,
n=157206941, pv=Be3 dxe4 Nxe4 Nf5 O-O-O Nc7 g4 Nxe3 fxe3 Qa5 h4 b5 c3 Be7
Ng5 f6 Nxh7 Bxa3 Kc2 Qa4+ b3, tb=5, R50=50, wv=1.09 } 10... dxe4 { -0.81/26
1.8s, ev=-0.81, d=26, pd=Nxe4, mt=00:00:01, tl=00:00:57, s=169217 kN/s,
n=310006088, pv=dxe4 Nxe4 Nd5 O-O-O Be7 h4 O-O Bg5 Qc7 Kb1 c5 Bxe7 Qxe7 Qg3
Ndc7 dxc5 Nxc5 Nc3 Nd5 Nxd5 exd5 Bf3 Ne4 Qf4 Nxf2 Rhe1 Ne4 c4 Qf6 Qxf6 gxf6
Bxe4 dxe4 Rxd8 Rxd8, tb=0, R50=50, wv=0.81 } 11. Nxe4 { +1.11/23 1.2s,
ev=1.11, d=23, pd=Nd5, mt=00:00:01, tl=00:00:56, s=96095 kN/s, n=112047240,
pv=Nxe4 Nd5 O-O-O Be7 h4 O-O Bg5 Qc7 Qf3 f6 Bd2 c5 dxc5 f5 Ng5 Nxc5 Bc4 Ne4
Bxd5 Rxd5 Nxe4 fxe4 Qxe4 Qc6 f3 Bf6 Bb4 Rfd8 Rxd5 Rxd5 Kb1 h5 c4, tb=11,
R50=50, wv=1.11 } 11... Nd5 { -0.83/26 2.1s, ev=-0.83, d=26, pd=O-O-O,
mt=00:00:02, tl=00:00:56, s=176118 kN/s, n=363509172, pv=Nd5 O-O-O Be7 h4
O-O Bg5 Qc7 Qf3 b5 Kb1 Rb8 Rh3 f5 Nc3 Nf6 Qe3 Qd7 Bf4 Bd6 Be5 Nc7 h5 Ncd5
Qg3 Nxc3+ Qxc3 b4, tb=1, R50=50, wv=0.83 } 12. h4 { +1.16/31 6.7s, ev=1.16,
d=31, pd=Be7, mt=00:00:06, tl=00:00:50, s=84096 kN/s, n=562186151, pv=h4
Be7 O-O-O O-O Bg5 Qc7 Qf3 b5 Kb1 Rb8 g4 c5 Bxe7 Qxe7 h5 c4 g5 Rfc8 h6 g6
Qg3 Rb6 Qe5 Qf8 Rh4 b4 a4 Nb8 Nc5 Nc6 Qg3 e5 Nd7 Nc3+ Ka1 Ra6 bxc3 Rxa4+
Kb2 Qe7 dxe5 b3 Rd6 Ra2+ Kc1, tb=4990, R50=50, wv=1.16 } 12... Be7 {
-0.76/24 2.0s, ev=-0.76, d=24, pd=O-O-O, mt=00:00:01, tl=00:00:55, s=159818
kN/s, n=316601422, pv=Be7 O-O-O O-O Bg5 Qc7 Kb1 c5 Bxe7 Qxe7 Qg3 Ndc7 Qe3
b6 dxc5 Nd5 Qg5 Nxc5 Qxe7 Nxe7 Nxc5 bxc5 h5 Nd5 Bf3 Nb6 b3 Rb8, tb=9,
R50=50, wv=0.76 } 13. O-O-O { +1.12/26 1.1s, ev=1.12, d=26, pd=O-O,
mt=00:00:01, tl=00:00:50, s=112473 kN/s, n=124282717, pv=O-O-O O-O Bg5 Qc7
Qf3 b5 Kb1 Rb8 g4 f6 Bc1 c5 dxc5 Nxc5 Rxd5 exd5 Nc3 Qb7 Nxd5 Rfe8 Rd1 Kh8
g5 fxg5 hxg5 Bf8 g6 h6 Qh5 Ne4 Rd4 Qc6 Be3 Nf6 Nxf6 Qxf6, tb=305, R50=50,
wv=1.12 } 13... O-O { -0.87/26 1.8s, ev=-0.87, d=26, pd=Bg5, mt=00:00:01,
tl=00:00:54, s=154340 kN/s, n=278430288, pv=O-O Bg5 Qc7 Qf3 f6 Bd2 b5 Kb1
Qb6 Nc3 Nac7 Nxd5 cxd5 h5 a5 Bf4 b4 Bxc7 Qxc7 a4 f5 Rhe1 Bf6 Qe3 Rd6 g4 h6
gxf5, tb=1, R50=49, wv=0.87 } 14. Bg5 { +1.14/23 1.6s, ev=1.14, d=23,
pd=Qc7, mt=00:00:01, tl=00:00:49, s=107998 kN/s, n=174093247, pv=Bg5 Qc7
Qf3 b5 Kb1 Rb8 g4 f6 Bc1 c5 dxc5 Nxc5 Nxc5 Qxc5 Qe4 Rb6 h5 Rfb8 c3 f5 Qc2
Bf6 Rh3 fxg4 Bxg4 Qc4 Rg3 a5 Re1 Kh8 h6 b4, tb=310, R50=49, wv=1.14 } 14...
Qc7 { -0.83/28 3.9s, ev=-0.83, d=28, pd=Qf3, mt=00:00:03, tl=00:00:51,
s=156549 kN/s, n=604125593, pv=Qc7 Qf3 f6 Bd2 b5 Rhe1 Qb6 h5 f5 Nc3 Qxd4
Nxd5 Qxd5 Qxd5 cxd5 Bxb5 Nc5 Be3 Kf7 g4 fxg4 Be2 g3 fxg3 a5 Bg4 Ne4 Bb6 Rd6
Bxa5 Rc6 Rf1+ Bf6 Bb4, tb=9, R50=48, wv=0.83 } 15. Qf3 { +1.15/26 1.5s,
ev=1.15, d=26, pd=b5, mt=00:00:01, tl=00:00:49, s=108023 kN/s, n=164628025,
pv=Qf3 b5 Kb1 Rb8 g4 f6 Bc1 c5 dxc5 Nxc5 Nxc5 Qxc5 Qe4 Rb6 h5 Rfb8 c3 f5
Qc2 Bf6 Rh3 fxg4 Bxg4 Qc4 Be2 Qc7 h6 g6 Bg4 Qc4 Rg3 a5, tb=125, R50=48,
wv=1.15 } 15... f6 { -0.94/27 1.9s, ev=-0.94, d=27, pd=Bd2, mt=00:00:01,
tl=00:00:50, s=177484 kN/s, n=327990798, pv=f6 Bd2 b5 Bd3 Qb6 Ng5 fxg5 Qe4
Kf7 hxg5 c5 g6+ Ke8 gxh7 Kd7 Qe1 Qc6 Ba5 Rb8 dxc5 Nxc5 Kb1 Bf6 Be2 Ke7 Bf3
Kf7 Rh5 g5 Bxd5 exd5 f4 Ne6 fxg5 Nxg5 Qg3 Rbc8 c3 Kg7 Bb4 Rfe8, tb=1,
R50=47, wv=0.94 } 16. Bd2 { +1.29/21 1.6s, ev=1.29, d=21, pd=c5,
mt=00:00:01, tl=00:00:48, s=93671 kN/s, n=144816272, pv=Bd2 c5 dxc5 f5 Ng5
Nxc5 Bc4 Bxg5 hxg5 Ne4 Bb3 g6 Be3 a5 Rd4 Rfe8 Rhd1 b5 g4 Nxe3 Qxe3 Rxd4
Qxd4 Qf4+ Kb1 fxg4, tb=575, R50=50, wv=1.29 } 16... b5 { -0.94/26 2.8s,
ev=-0.94, d=26, pd=Rhe1, mt=00:00:02, tl=00:00:48, s=179212 kN/s,
n=506814271, pv=b5 Rhe1 Qb6 Kb1 Nac7 h5 a5 g4 h6 Bc1 Rb8 Rg1 Kh8 Rg3 b4 a4
f5 gxf5 exf5 Nd2 Qxd4 Nb3 Qe5 Bc4 Bf6 Nd4 f4 Nxc6 Nc3+ Qxc3 bxc3, tb=2,
R50=50, wv=0.94 } 17. Bd3 { +1.53/24 1.5s, ev=1.53, d=24, pd=Rf7,
mt=00:00:01, tl=00:00:48, s=84265 kN/s, n=129263756, pv=Bd3 Rf7 Nc3 f5 Nxd5
cxd5 Bxb5 Qb6 Qb3 Nc7 Bf1 Qxd4 Be3 Qg4 Bxa7 Bxh4 g3 Bf6 Re1 Bd4 Rh4 Qg5+ f4
Qf6 Bxd4 Qxd4 Qe3 Qa4 Qb6 Qa8 g4 Rb8 Qe3 Qa4 gxf5 exf5 Qd2 h6 Rh3, tb=85,
R50=50, wv=1.53 } 17... Qb6 { -0.76/24 1.7s, ev=-0.76, d=24, pd=Ng5,
mt=00:00:01, tl=00:00:48, s=189085 kN/s, n=310855714, pv=Qb6 Ng5 fxg5 Qe4
Kf7 hxg5 Nac7 Rxh7 Ke8 Rxg7 Rd7 c3 c5 dxc5 Qxc5 f4 Bd6 Rxd7 Kxd7 Rf1 a5 Kb1
b4 c4 Ne7 Be3 Qc6 axb4 axb4, tb=15, R50=50, wv=0.76 } 18. Ng5 { +3.70/25
3.0s, ev=3.70, d=25, pd=fxg5, mt=00:00:03, tl=00:00:46, s=61482 kN/s,
n=185799026, pv=Ng5 fxg5 Bxh7+ Kh8 hxg5 Rxf3 Bf5+ Kg8 Bxe6+ Rf7 g6 Bh4 Rxh4
Kf8 Re1 Rf4 Bxf4 Nxf4 Rxf4+ Ke7 Rf7+ Kd6 Bg4 Kd5 Bf3+ Kd6 Rxg7 b4 Bg4 bxa3
bxa3 Kd5 Rge7 Kxd4 Rd1+ Kc5 Re5+ Rd5 g7 Rxe5 g8=Q Qa5 Rd3 Qe1+ Kb2 Re8 Qg5+
Qe5+ Qxe5+ Rxe5 f4 Re4 g3 Nc7 Rc3+ Kb6 Bd7, tb=968, R50=49, wv=3.70 } 18...
fxg5 { -0.68/26 1.8s, ev=-0.68, d=26, pd=Qe4, mt=00:00:01, tl=00:00:47,
s=197273 kN/s, n=343256002, pv=fxg5 Qe4 Kf7 hxg5 Nac7 Rxh7 Ke8 Rxg7 Rd7 Rh7
b4 axb4 Bxb4 Bxb4 Qxb4 g6 Re7 f3 Kd7 c4 Rb8 Rd2 Nf6 Rxe7+ Qxe7 Qe5 Rg8 f4
Kc8 f5 Nd7 Qe3 Qd6 Kb1 exf5 Bxf5 Rxg6 Bxg6 Qxg6+ Qd3 Qf6 Ka2 Qd6 g4 Qf4
Qe2, tb=247, R50=49, wv=0.68 } 19. Bxh7+ { +3.80/22 2.3s, ev=3.80, d=22,
pd=Kh8, mt=00:00:02, tl=00:00:44, s=75948 kN/s, n=177415823, pv=Bxh7+ Kh8
hxg5 Rxf3 Bf5+ Kg8 Bxe6+ Rf7 g6 Bh4 Rxh4 Kf8 Re1 Rf4 Bxf4 Nxf4 Rxf4+ Ke7
Bg4+ Kd6 Rf7 b4 Rxg7 Kd5 Rge7 bxa3 bxa3 Kxd4 Rd1+ Kc5 Re5+ Rd5 g7 Rxe5 g8=Q
Qa5 Rd3 Qe1+ Bd1 Rd5 Rxd5+ cxd5 Qg7 Kb6 Qf6+ Kb7 Qd4 Qa5 Kb2 Qb5+ Ka2 Qc5
Qxc5 Nxc5, tb=517, R50=50, wv=3.80 } 19... Kh8 { +0.48/25 1.9s, ev=0.48,
d=25, pd=Qh5, mt=00:00:01, tl=00:00:46, s=199030 kN/s, n=373381609, pv=Kh8
Qh5 Nf6 Qg6 b4 hxg5 bxa3 Bc3 a2 b4 Qxb4 gxf6 Rxf6 Kd2 Rxg6 Bxg6+ Kg8 Bxb4
Rxd4+ Bd3 Nxb4 Kc3 Rf4 Bc4 Nd5+ Kb3 Bf6 Bxd5 exd5 Kxa2 Rxf2 Kb3 Rxg2 Rhg1
Re2 Rde1 Rxe1 Rxe1 Kf7 c4, tb=2309, R50=50, wv=-0.48 } 20. hxg5 { +4.05/20
4.4s, ev=4.05, d=20, pd=Rxf3, mt=00:00:04, tl=00:00:41, s=65120 kN/s,
n=287049545, pv=hxg5 Rxf3 Bf5+ Kg8 Bxe6+ Rf7 g6 Bh4 Rxh4 Kf8 Re1 Rf4 Bxf4
Nxf4 Rxf4+ Ke7 Bg4+ Kd6 Rf7 b4 Rxg7 Kd5 Rf7 Kxd4 Rd1+ Kc5 Rf5+ Rd5 g7 Qd8
Bf3 Nc7 Bxd5 cxd5 axb4+ Kb5 Rf7 Kc6 Rf6+ Kd7 Rg6 Qg8 Rh1 d4 Rh8 Qc4 Rf8
Qf1+ Kd2, tb=3796, R50=50, wv=4.05 } 20... Rxf3 { -4.72/23 1.3s, ev=-4.72,
d=23, pd=Bf5+, mt=00:00:01, tl=00:00:46, s=161064 kN/s, n=215181729,
pv=Rxf3 Bf5+ Kg8 Bxe6+ Rf7 g6 Rf8 Rh3 Qxd4 Rdh1 Qxd2+ Kxd2 Bg5+ Ke1 Bh6 Rf3
Ne7 Bxf7+ Kh8 Rh5 Nc7 Re5 Ng8 g4 Bc1 g5 Rc8 Kd1 Bxb2 Rh3+ Nh6 Re7 Nd5 Bxd5
cxd5 gxh6 gxh6 Rxh6+ Kg8 Rxa7 Rc4, tb=125, R50=50, wv=4.72 } 21. Bf5+ {
+4.27/24 1.4s, ev=4.27, d=24, pd=Kg8, mt=00:00:01, tl=00:00:40, s=60334
kN/s, n=82175665, pv=Bf5+ Kg8 Bxe6+ Rf7 g6 Bh4 Rxh4 Kf8 Re1 Rf4 Rh3 Ke7
Bxd5+ Kd7 Be6+ Kc7 Bxf4+ Kb7 Be5 Nc7 Bxg7 Rxd4 Rf3 Nxe6 Rxe6 Rd7 Rf7 Rc7
Kb1 a5 Bh6 Qd4 g7 Qg4, tb=147, R50=50, wv=4.27 } 21... Kg8 { -4.72/22 1.0s,
ev=-4.72, d=22, pd=Bxe6+, mt=00:00:01, tl=00:00:46, s=158019 kN/s,
n=159757778, pv=Kg8 Bxe6+ Rf7 g6 Bb4 axb4 Qc7 Rde1 Nf6 gxf7+ Qxf7 Bxf7+
Kxf7 c3 Ra8 Bg5 Nd5 f4 Nac7 f5 a5 bxa5 Rxa5 Kc2 Ra8 g4 Rf8 Ra1 Kg8 Ra7 Re8
Kd3, tb=391, R50=50, wv=4.72 } 22. Bxe6+ { +4.53/20 1.3s, ev=4.53, d=20,
pd=Rf7, mt=00:00:01, tl=00:00:40, s=72290 kN/s, n=92026400, pv=Bxe6+ Rf7 g6
Bh4 Rxh4 Kf8 Re1 Rf4 Rh3 Ke7 Bxd5+ Kd7 Be6+ Kc7 Bxf4+ Kb7 Be5 Re8 Bxg7 Nc7
Rhe3 b4 axb4 Qb5 d5 Nxd5 Bxd5 Rxe3 fxe3 Qxd5 Bc3 c5 bxc5 a5 g7 a4 Bd4 Qf7
Kb1 Kc6 Rd1 Kb5 c6 Kxc6 Be5, tb=324, R50=49, wv=4.53 } 22... Rf7 { -4.90/24
1.0s, ev=-4.90, d=24, pd=g6, mt=00:00:01, tl=00:00:46, s=192630 kN/s,
n=195905197, pv=Rf7 g6 Bb4 axb4 Qc7 Rde1 Qd7 Bxf7+ Qxf7 gxf7+ Kxf7 c3 Rd6
g4 Rg6 g5 Re6 Rxe6 Kxe6 Kc2 Nac7 Kd3 Ne7 Rh8 Ncd5 b3 Ng6 Rg8 Kf7 Ra8,
tb=679, R50=50, wv=4.90 } 23. g6 { +4.64/23 1.7s, ev=4.64, d=23, pd=Bh4,
mt=00:00:01, tl=00:00:40, s=62877 kN/s, n=104125168, pv=g6 Bh4 Rxh4 Kf8 Re1
Rf4 Rh3 Ke7 Bxd5+ Kd7 Be6+ Kc7 Bxf4+ Kb7 Be5 Nc7 Bxg7 Re8 Rhe3 b4 axb4 Qa6
d5 Nxd5 Re4 Qa1+ Kd2 Qa4 Bxd5 Rd8 Bd4 Rxd5 g7 Rd8 c3 Qa2 Re7+ Kc8 Re8,
tb=2593, R50=50, wv=4.64 } 23... Rf8 { -4.76/23 1.5s, ev=-4.76, d=23,
pd=Rh3, mt=00:00:01, tl=00:00:45, s=169595 kN/s, n=252018190, pv=Rf8 Rh3
Qxd4 Rdh1 Qh4 Rxh4 Bxh4 Rxh4 Nac7 gxf7+ Rxf7 Bxf7+ Kxf7 Rh8 Ne7 Rb8 a6 Rb7
Ne6 Rb6 g6 Rxa6 Ke8 g4 Kd7 Ra7+ Kd6 f4 c5 b3 Nc6 Rh7 Ncd4, tb=2022, R50=50,
wv=4.76 } 24. Rh3 { +4.88/25 2.2s, ev=4.88, d=25, pd=Qxd4, mt=00:00:02,
tl=00:00:38, s=59094 kN/s, n=129357080, pv=Rh3 Qxd4 Rdh1 Qxd2+ Kxd2 Bg5+
Ke1 Bh6 Rf3 Nf6 Rxh6 gxh6 Rxf6 Kg7 Rxf7+ Rxf7 Bxf7 h5 Ke2 h4 Ke3 Nc5 Kd4
Nd7 Be8 c5+ Ke3 Ne5 Bxb5 Nxg6 Kf3 Ne5+ Kf4 Kf6 Be2, tb=33261, R50=50,
wv=4.88 } 24... Qxd4 { -4.65/24 1.2s, ev=-4.65, d=24, pd=Rdh1, mt=00:00:01,
tl=00:00:45, s=180845 kN/s, n=209600152, pv=Qxd4 Rdh1 Qh4 gxf7+ Rxf7 Rxh4
Bxh4 Bxf7+ Kxf7 Rxh4 Kg8 Be3 Kf7 Rh8 Nac7 Bd2 a6 Rc8 c5 Ba5 Ne6 Ra8 Nf6
Ra7+ Ke8 Rxa6 Kd7 Rb6 Nd5 Rxb5 Ndf4 Rb6 Nd4, tb=7331, R50=49, wv=4.65 } 25.
Rdh1 { +4.96/23 1.3s, ev=4.96, d=23, pd=Qxd2+, mt=00:00:01, tl=00:00:38,
s=66110 kN/s, n=86274822, pv=Rdh1 Qxd2+ Kxd2 Bg5+ Ke1 Bh6 Rf3 Nf6 Rxh6 gxh6
Rxf6 Kg7 Rxf7+ Rxf7 Bxf7 Nc5 Be8 a5 Bxc6 b4 axb4 axb4 Be8 Ne4 Bf7 Nd6 Ke2
Nf5 Kd3 Nh4 g3 Nf5 g4 Nh4 Ke4 Ng2 c3 bxc3, tb=17990, R50=50, wv=4.96 }
25... Qh4 { -4.74/24 2.8s, ev=-4.74, d=24, pd=Rxh4, mt=00:00:02,
tl=00:00:43, s=182672 kN/s, n=503811918, pv=Qh4 Rxh4 Bxh4 Rxh4 Nac7 gxf7+
Rxf7 Bxf7+ Kxf7 Rh8 c5 f4 c4 f5 Ke7 g4 Kf6 Rf8+ Ke5 Ba5 Na6 Rf7 g5 Bc3+ Ke4
Rd7 b4 Rxd5 Kxd5 axb4, tb=24095, R50=50, wv=4.74 } 26. Rxh4 { +5.37/39
9.8s, ev=5.37, d=39, pd=Bxh4, mt=00:00:09, tl=00:00:29, s=55145 kN/s,
n=542355150, pv=Rxh4 Bxh4 gxf7+ Rxf7 Rxh4 Nac7 Bxf7+ Kxf7 c4 Nf6 Bc3 a6
Bxf6 Kxf6 cxb5 axb5 Re4 Ne6 b3 Kf7 Kc2 Kf6 f3 Ke7 a4 bxa4 bxa4 Kd6 Kc3 Kd5
Rb4 Nc7 a5 Kc5 Rb1 Na6 Rb7, tb=576392, R50=49, wv=5.37 } 26... Bxh4 {
-5.32/23 3.7s, ev=-5.32, d=23, pd=Bxf7+, mt=00:00:03, tl=00:00:41, s=213575
kN/s, n=789589503, pv=Bxh4 Bxf7+ Rxf7 gxf7+ Kf8 Rxh4 Kxf7 Rh8 Nac7 f4 Ne7
Bb4 Ng8 f5 Nd5 g4 Ne3 g5 Nxf5 g6+ Kxg6 Rxg8 Ng3 Bf8 Nh5 Bc5 a5 Ra8 Kf5 b3,
tb=24952, R50=50, wv=5.32 } 27. Rxh4 { +5.50/29 3.4s, ev=5.50, d=29,
pd=Nac7, mt=00:00:03, tl=00:00:27, s=62263 kN/s, n=211323844, pv=Rxh4 Nac7
gxf7+ Rxf7 Bxf7+ Kxf7 c4 Nf6 Bc3 a6 cxb5 axb5 Bxf6 Kxf6 Re4 Ne6 b3 Ke7 a4
bxa4 bxa4 Kd6 Kd2 Nc5 Rb4 g5 a5 g4 Ke3 Na6 Rb1 Kd5 Rb6 Nc7 Kd3, tb=183473,
R50=50, wv=5.50 } 27... Nc5 { -5.14/19 1.2s, ev=-5.14, d=19, pd=gxf7+,
mt=00:00:01, tl=00:00:40, s=182285 kN/s, n=223664717, pv=Nc5 gxf7+ Rxf7
Bxf7+ Kxf7 Rh8 a5 Bxa5 Ne6 Rc8 Ndf4 g3 Nh5 Rxc6 Nd4 Rd6 Ne2+ Kd1 Ng1 Rb6
Ke8 Rxb5 Nf6 Rb8+ Kd7 Rb7+ Ke6 Rxg7 Ne4, tb=15093, R50=50, wv=5.14 } 28.
gxf7+ { +5.62/25 3.3s, ev=5.62, d=25, pd=Rxf7, mt=00:00:03, tl=00:00:24,
s=69108 kN/s, n=226053539, pv=gxf7+ Rxf7 Bxf7+ Kxf7 Rh8 Ne4 Ra8 Nxf2 Rxa7+
Kf6 Ra6 Ke5 Rxc6 Ne4 Rc8 g5 Rb8 Nc7 Rb6 Ng3 Bxg5 b4 axb4 Ne6 Be3 Nf5,
tb=143908, R50=50, wv=5.62 } 28... Rxf7 { -4.03/5 0.019s, ev=-4.03, d=5,
pd=Bxf7+, mt=00:00:00, tl=00:00:41, s=68899 kN/s, n=137805, pv=Rxf7 Bxf7+
Kxf7 Rh8 Ne6 Ra8, tb=0, R50=50, wv=4.03 } 29. Bxf7+ { +5.58/26 1.5s,
ev=5.58, d=26, pd=Kxf7, mt=00:00:01, tl=00:00:24, s=71736 kN/s,
n=109613105, pv=Bxf7+ Kxf7 Rh8 Ne6 Ra8 Ke7 Rxa7+ Kd6 Bb4+ c5 Ra6+ Kd7 Bc3
Ng5 Bxg7 b4 Be5 bxa3 bxa3 Nf7 Bg3 Nc3 Kd2 Ne4+ Ke3 Nxg3 fxg3, tb=41256,
R50=50, wv=5.58 } 29... Kxf7 { -5.39/17 0.99s, ev=-5.39, d=17, pd=Rh8,
mt=00:00:00, tl=00:00:41, s=233963 kN/s, n=229050148, pv=Kxf7 Rh8 Ne4 Ra8
a6 Rxa6 Nxf2 b3 Ne4 a4 Ke6 a5 g6 Ra7 b4 Rg7 Kf6 Rb7 Nc5, tb=10843, R50=50,
wv=5.39 }

[Uri Blass]

Easy find for many engines I think, yet very spectacular.

Yes, but the question is, how long need engines to not play 17...Qb6? (or something comparable), which leads to the following disaster for black... without MultiPV and backwards-analysis and so on...

The losing mistake is probably earlier to 17...Qb6

analysis by stockfish with a single core 4096 mbytes multi-pv=2

FEN: 3r1rk1/p1q1b1pp/n1p1pp2/1p1n4/3PN2P/P2B1Q2/1PPB1PP1/2KR3R b - - 1 17

Stockfish_24052120_x64_avx2:

31/48 01:03 47,055k 736k -1.48 Rf8-f7 Ne4-c3 Qc7-d7 Nc3xd5 Qd7xd5 Qf3xd5 Rd8xd5 Bd3-e4 Rd5xd4 Be4xc6 b5-b4 a3xb4 Na6xb4 Bc6-b5 f6-f5 h4-h5 Be7-f6 c2-c3 Rd4-d5 Bb5-c4 Nb4-d3+ Bc4xd3 Rd5xd3 Bd2-e3 Rd3-d5 Rd1xd5 e6xd5 Rh1-d1 Rf7-d7 Kc1-c2 a7-a5 Rd1-a1 Bf6-d8 Be3-c5 Kg8-f7 Kc2-d3 g7-g6 b2-b4 a5xb4 c3xb4 g6xh5
31/50 01:03 47,055k 736k -0.69 Qc7-b6 Rh1-e1 b5-b4 a3-a4 Na6-c7 Bd3-c4 f6-f5 Ne4-c5 Be7xc5 d4xc5 Qb6xc5 Bc4-b3 h7-h6 Kc1-b1 Qc5-e7 h4-h5 Kg8-h8 Qf3-e2 Rf8-e8 Qe2-e5 Kh8-h7 g2-g4 f5xg4 Qe5-e4+ Kh7-h8 Qe4xg4 Re8-f8 Qg4-g3 Rf8-f5 Bb3-c4 Nd5-f6 Qg3-g6 Nc7-d5 Qg6xf5 e6xf5 Re1xe7 Nd5xe7 Kb1-c1 Rd8-d4 Bc4-f7 Ne7-d5 Rd1-e1 Rd4-h4 a4-a5 Nf6xh5 Bf7xd5 c6xd5
---------------------------------------------------------------------------
32/57 01:13 53,853k 734k -1.62 Rf8-f7 Ne4-c3 Qc7-d7 Nc3xd5 Qd7xd5 Qf3xd5 Rd8xd5 Bd3-e4 Rd5xd4 Be4xc6 b5-b4 a3xb4 Be7xb4 c2-c3 Rd4-d6 Bc6-b5 Na6-c7 Bb5-c4 Rd6-c6 Bc4-b3 Bb4-c5 Bd2-f4 Rf7-e7 Kc1-c2 Kg8-f7 Rd1-d2 Rc6-b6 f2-f3 Nc7-d5 Bb3xd5
32/48 01:13 53,853k 734k -0.69 Qc7-b6 Ne4-g5 f6xg5 Qf3-e4 Kg8-f7 h4xg5 Na6-c7 Rh1xh7 Kf7-e8 Rh7xg7 Ke8-d7 Rd1-h1 Rf8xf2 Rh1-h7 Rf2xd2 Kc1xd2 c6-c5 c2-c3 c5xd4 Qe4xd4 Qb6xd4 c3xd4 Kd7-d6 Bd3-e4 Rd8-f8 g5-g6 Rf8-f4 Kd2-d3 Rf4-g4 Rg7-f7
---------------------------------------------------------------------------
33/53 01:40 73,529k 729k -1.66 Qc7-b8 Bd2-a5 f6-f5 Ne4-g5 Rd8-d6 Rh1-e1 Na6-c7 Qf3-g3 h7-h6 Ng5-f3 Nc7-a6 c2-c4 b5xc4 Bd3xc4 Na6-c7 Nf3-e5 Be7-f6 Ne5-g6 f5-f4 Qg3-g4 Rf8-e8 h4-h5
33/50 01:40 73,529k 729k -0.81 Qc7-b6 Ne4-g5 f6xg5 Qf3-e4 Kg8-f7 h4xg5 Na6-c7 Rh1xh7 Kf7-e8 Rh7xg7 Ke8-d7 Rd1-h1 Rf8xf2 Rh1-h7 Rf2xd2 Kc1xd2 Nc7-e8 Rg7-g6 Ne8-c7 Kd2-c1 Rd8-f8 Qe4-e5 Rf8-f2 Rg6-g8 Rf2xg2 b2-b4 Rg2-g1+ Kc1-b2
---------------------------------------------------------------------------
34/38 02:05 90,501k 721k -1.63 Qc7-b8 Bd2-a5 f6-f5 Ne4-g5 Rd8-d6 Rh1-e1 Qb8-c8 Qf3-e2 Nd5-f4 Qe2-e5 Nf4xd3+ Rd1xd3 Rf8-e8 Rd3-g3 Be7-f8 Qe5-e2 h7-h6 Qe2-h5 Qc8-d7 Ng5-f3 Qd7-f7 Qh5xf7+ Kg8xf7 Nf3-e5+ Kf7-g8
34/52 02:05 90,501k 721k -1.02 Qc7-b6 Ne4-g5 f6xg5 Qf3-e4 Kg8-f7 h4xg5 Na6-c7 Rh1xh7 Kf7-e8 Rh7xg7 Ke8-d7 Rd1-h1 Rf8xf2 Rh1-h7 Rf2xd2 Kc1xd2 b5-b4 a3-a4 c6-c5 Rg7-f7 c5xd4 b2-b3 Rd8-g8 g5-g6 Qb6-c5 Qe4-h4 Nc7-e8 Kd2-c1 Kd7-d8 Qh4-h3 Ne8-d6 Rh7-h8 Rg8xh8 Qh3xh8+ Kd8-d7 Rf7-f3 Nd5-c3
---------------------------------------------------------------------------
35/48 02:56 125,691k 712k -1.79 Rf8-f7 Ne4-c3 Qc7-d7 Nc3xd5 Qd7xd5 Qf3xd5 Rd8xd5 Bd3-e4 Rd5xd4 Be4xc6 b5-b4 a3xb4 Na6xb4 Bc6-b5 f6-f5 Kc1-b1 a7-a6 Bb5-e2 Nb4-d5 Be2xa6 Rf7-f8 c2-c3 Rd4xh4 Rh1xh4 Be7xh4 Bd2-e1 h7-h5 c3-c4 Nd5-c7 Ba6-b7 Rf8-b8 Bb7-f3 Bh4-f6 b2-b4 Bf6-e7 b4-b5 Nc7xb5 c4xb5 Rb8xb5+ Kb1-c2 Rb5-c5+ Kc2-d3 h5-h4 Be1-c3 Kg8-f7
35/55 02:56 125,691k 712k -1.55 f6-f5 Ne4-g5 Qc7-d6 g2-g4 Na6-c7 g4xf5 e6xf5 c2-c3 h7-h6 Ng5-h3 a7-a5 Rh1-g1 Nc7-e6 Bd2xh6 Rf8-f6 Bh6-g5 b5-b4 Bg5xf6 Be7xf6 Bd3xf5 b4xa3 Nh3-g5 Bf6xg5+ h4xg5 a3xb2+ Kc1-b1
---------------------------------------------------------------------------
36/57 03:38 154,826k 708k -1.70 f6-f5 Ne4-g5 Qc7-d6 g2-g4 Na6-c7 g4xf5 e6xf5 c2-c3 Qd6-d7 Rd1-g1 Be7-d6 Rg1-g2 Rd8-e8 Rh1-g1 Re8-e7 h4-h5 Rf8-f6 h5-h6 g7-g6 c3-c4 b5xc4 Bd3xc4 Nc7-e6 Kc1-b1 Qd7-b7 Rg1-c1 Re7-e8 Ng5xe6 Rf6xe6 Qf3xf5 Bd6xa3
36/56 03:38 154,826k 708k -1.66 Rf8-f7 Ne4-c3 Qc7-d7 Nc3xd5 Qd7xd5 Qf3xd5 Rd8xd5 Bd3-e4 Rd5xd4 Be4xc6 b5-b4 a3xb4 Na6xb4 Bc6-b5 f6-f5 h4-h5 a7-a6 Bb5-e2 Rd4-d6 Bd2-f4 Rd6-c6 c2-c3 Nb4-d5 Be2-f3 Rc6-c5 Bf3xd5 e6xd5 Rh1-e1 Rc5-b5 Re1-e6 a6-a5 g2-g3 Be7-f6 Bf4-e5 Bf6xe5 Re6xe5
---------------------------------------------------------------------------
36/57 04:08 175,608k 707k -1.70 f6-f5 Ne4-g5 Qc7-d6 g2-g4 Na6-c7 g4xf5 e6xf5 c2-c3 Qd6-d7 Rd1-g1 Be7-d6 Rg1-g2 Rd8-e8 Rh1-g1 Re8-e7 h4-h5 Rf8-f6 h5-h6 g7-g6 c3-c4 b5xc4 Bd3xc4 Nc7-e6 Kc1-b1 Qd7-b7 Rg1-c1 Re7-e8 Ng5xe6 Rf6xe6 Qf3xf5 Bd6xa3
37/63 04:08 175,608k 707k -1.77 Rf8-f7 Ne4-c3 Qc7-d7 Nc3xd5 Qd7xd5 Qf3xd5 Rd8xd5 Bd3-e4 Rd5xd4 Be4xc6 b5-b4 a3xb4 Na6xb4 Bc6-b5 f6-f5 Kc1-b1 a7-a6 Bb5-e2 Nb4-d5 Be2xa6 Rf7-f8 c2-c3 Rd4xh4 Rh1xh4 Be7xh4 Bd2-e1 Rf8-b8 Kb1-c2 Bh4-e7 Ba6-c4 Rb8-d8 b2-b4 g7-g5 Bc4-e2 Kg8-f7 c3-c4 Nd5-f6 Rd1xd8 Be7xd8 g2-g3 h7-h5 c4-c5 h5-h4 g3xh4 g5xh4

[pohl4711]

In the german CSS Forum, P.Martan played 2 games from the position after the 2 moves of Stockfish 17...f5 and 17...Rf7
Lc0 had white in both games and won both games.
SF had 28 threads and 8G hash, Lc0 3070ti GPU and 6417500 net. TC: 25min+5sec

17....f5

[Event "AMD, Schnellschach 25.0min+5.0sek"]
[Site "AMD"]
[Date "2024.05.22"]
[Round "1"]
[White "Lc0 v0.32.0-dag+git.4cfe7426"]
[Black "Stockfish"]
[Result "1-0"]
[ECO "B11"]
[Annotator "1.89;1.85"]
[PlyCount "121"]
[TimeControl "1500+5"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Qb6 7. Qd3 Na6 8. a3 Ne7 9. Be2 Rd8 10. Be3 dxe4 11. Nxe4 Nd5 12. h4 Be7 13. O-O-O O-O 14. Bg5 Qc7 15. Qf3 f6 16. Bd2 b5 17. Bd3 f5 18. Ng5 {1.89/19 131} Qd7 {1.85/39 243 (Dd6)} 19. g4 {2.28/16 76} Nac7 {1.98/36 0} 20. Rhg1 {2.28/16 41} Bxg5 {1.98/38 84} 21. Bxg5 {2.29/16 49} Rde8 {1.97/40 183} 22. h5 {2.41/17 35 (Ld2)} Rf7 {2.08/39 344} 23. Rde1 {2.55/13 0} Ne7 {2.34/39 271 (a5)} 24. Bxe7 {3.32/15 115 (Lf4)} Rexe7 {2.30/29 20} 25. gxf5 {3.48/15 8} Qxd4 {2.34/28 16} 26. Qxc6 {3.71/15 52} exf5 {2.70/35 90} 27. Qf3 {4.03/16 25 (Txe7)} Qf6 {2.80/34 89 (Txe1+)} 28. c4 {6.12/12 103 (Txe7)} g5 {3.49/36 152 (a6)} 29. cxb5 {6.02/13 102} Kg7 {3.86/31 0 (Se6)} 30. Bc4 {7.93/12 35} Rf8 {4.23/30 78 (g4)} 31. Qc6 {7.84/14 38} Rxe1+ {4.09/24 0 (Tfe8)} 32. Rxe1 {9.10/13 36} Qxc6 {4.30/24 0} 33. bxc6 {8.60/13 21} Kf6 {4.20/24 15} 34. Rd1 {8.83/12 41} Na8 {4.20/24 7} 35. b4 {8.51/11 43} Nb6 {4.39/28 22 (g4)} 36. Bb3 {9.29/11 55} g4 {4.49/27 0} 37. a4 {9.27/11 51} f4 {4.58/29 5} 38. a5 {9.54/11 66} Nc8 {4.84/31 0} 39. Rg1 {11.44/10 50 (c7)} Kf5 {3.87/24 12 (g3)} 40. b5 {9.41/10 44 (c7)} Rf6 {4.69/28 54 (g3)} 41. Kd2 {11.09/10 42 (c7)} Rd6+ {4.27/24 8 (Kg5)} 42. Ke2 {13.54/10 24 (Kc1)} Rd8 {4.50/22 12 (Td4)} 43. Rd1 {14.22/10 56 (Lc2+)} Re8+ {4.92/20 7 (Txd1)} 44. Kf1 {13.52/10 20} Kg5 {5.12/23 0 (Te5)} 45. Re1 {26.92/8 34 (Lc2)} Rf8 {5.53/19 2 (Txe1+)} 46. Be6 {39.07/7 32 (Td1)} Nd6 {7.28/23 12} 47. b6 {38.73/8 36 (c7)} axb6 {5.76/19 2} 48. axb6 {32.64/8 31} Rb8 {8.02/25 0} 49. Rb1 {32.32/8 22} f3 {9.02/22 0 (Se8)} 50. c7 {32.51/7 35 (b7)} Rc8 {199.53/22 3 (Ta8)} 51. Bxc8 {100.83/6 27} g3 {#12/65 0} 52. b7 {106.70/6 38 (Lb7)} Ne4 {#9/66 5 (Sxb7)} 53. b8=Q {94.30/6 21} Nd2+ {#8/161 0} 54. Kg1 {104.65/7 22} Ne4 {#7/162 0 (gxf2+)} 55. Qb5+ {80.87/5 20} Kf6 {#6/245 0 (Kh6)} 56. Qf5+ {61.10/5 17} Kg7 {#5/245 0 (Ke7)} 57. Qxe4 {#5/6 8} gxf2+ {#4/245 0} 58. Kxf2 {#4/1 0} h6 {#3/245 0 (Kf7)} 59. Qe7+ {#3/1 0} Kh8 {#2/245 0} 60. Bf5 {#2/1 0 (Df8+)} Kg8 {#1/245 0} 61. c8=R# {#1/1 0} 1-0

-------------------------------------------------------------------

17....Rf7:

[Event "AMD, Schnellschach 25.0min+5.0sek"]
[Site "AMD"]
[Date "2024.05.22"]
[Round "1"]
[White "Lc0 v0.32.0-dag+git.4cfe7426"]
[Black "Stockfish"]
[Result "1-0"]
[ECO "B11"]
[Annotator "1.85;1.69"]
[PlyCount "153"]
[TimeControl "1500+5"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Qb6 7. Qd3 Na6 8. a3 Ne7 9. Be2 Rd8 10. Be3 dxe4 11. Nxe4 Nd5 12. h4 Be7 13. O-O-O O-O 14. Bg5 Qc7 15. Qf3 f6 16. Bd2 b5 17. Bd3 Rf7 18. Nc3 {1.85/17 137} f5 {1.69/40 97} 19. Nxd5 {1.87/20 29} cxd5 {1.73/35 19} 20. Bxb5 {1.89/19 11} Qb6 {1.71/35 23} 21. Bxa6 {1.91/19 73} Qxa6 {1.67/40 0} 22. Bg5 {1.93/19 6} Rc8 {1.78/42 71} 23. Rd3 {1.99/18 38 (Kb1)} Bxg5+ {1.57/35 34 (Ld6)} 24. hxg5 {2.04/18 74} Rfc7 {1.65/37 0} 25. Rd2 {2.03/16 26} Rb8 {1.75/41 67} 26. Qh3 {2.03/18 15} g6 {1.78/35 21} 27. Kb1 {2.05/16 19} Rcb7 {1.79/38 83} 28. Ka1 {2.02/15 3} h5 {1.93/35 87} 29. c3 {1.99/14 11} Rb6 {2.00/41 289} 30. Re1 {1.96/15 1 (De3)} Qb7 {2.28/42 324 (Da4)} 31. Ree2 {2.00/15 141} Qc7 {2.37/39 0 (Ta6)} 32. Qe3 {2.10/14 145} f4 {2.37/40 0} 33. Qd3 {2.08/16 71} Kf7 {2.56/43 151} 34. Rc2 {2.38/21 66 (Df3)} Qe7 {2.21/34 17} 35. c4 {2.39/21 1} Qxg5 {2.66/36 189 (dxc4)} 36. c5 {3.34/14 76} Rc6 {2.71/34 0 (Tb3)} 37. f3 {4.25/11 153 (g3)} Qf5 {2.22/35 21} 38. Qc3 {3.78/10 54 (Dd1)} g5 {2.14/52 10} 39. b4 {3.53/11 23 (Da5)} a6 {2.04/31 12} 40. Ka2 {3.47/10 37 (a4)} h4 {2.27/39 67} 41. Rc1 {3.28/10 59 (Tb2)} Rb7 {2.37/33 47 (Kf6)} 42. a4 {3.52/9 38 (Tee1)} Rc8 {2.26/25 7} 43. Ka3 {3.17/9 42} Rcb8 {2.37/32 0} 44. Rb2 {2.67/11 31} Re7 {2.50/33 36} 45. c6 {2.76/14 17 (Te1)} Rc7 {2.65/25 22} 46. Rbc2 {3.05/13 17} Rb6 {2.91/28 11} 47. Qd2 {3.22/13 24} Kg6 {3.07/29 0 (Df6)} 48. Rc5 {3.85/12 41} Qf6 {3.33/29 0} 49. Qd3+ {4.19/12 32 (Kb3)} Kg7 {3.61/27 31 (Kh6)} 50. Kb3 {5.04/11 23} Kh6 {3.54/26 0} 51. b5 {4.96/11 19} Kh5 {3.75/26 0 (Tb8)} 52. Kc2 {6.03/10 40 (Dd2)} Qe7 {3.76/22 17 (Tb8)} 53. Kd2 {6.79/10 26 (De2)} Rb8 {3.95/19 5} 54. Rb1 {7.88/10 19} Rb6 {4.36/25 0} 55. Re1 {8.41/10 18} axb5 {4.59/25 0 (Tb8)} 56. axb5 {9.05/10 14} Kh6 {4.43/22 1 (Tb8)} 57. Re5 {8.58/11 42 (Kc3)} Qf6 {4.54/22 18} 58. Rc1 {10.19/10 5 (Kc3)} Qe7 {4.57/21 8 (Kg7)} 59. Ke1 {15.32/9 21 (Tc5)} Kg7 {4.07/18 1} 60. Kf2 {14.04/9 10} Qf6 {4.88/22 0 (Kf6)} 61. Rce1 {17.02/9 7} Re7 {5.38/21 2 (Dg6)} 62. Qc3 {19.48/9 19 (Kg1)} Rb8 {6.02/22 16} 63. c7 {23.18/8 1} Rc8 {6.41/22 6} 64. b6 {26.08/8 3} g4 {6.69/20 4 (h3)} 65. fxg4 {34.77/7 12} Qg6 {7.09/22 0 (f3)} 66. Qh3 {37.87/7 21 (Df3)} Rh8 {7.54/20 5 (f3)} 67. Kg1 {50.16/6 7} Qe4 {9.05/22 4 (f3)} 68. R1xe4 {110.44/5 6 (T5xe4)} dxe4 {#14/43 5} 69. Qa3 {99.85/5 9 (Txe4)} Rhe8 {199.41/41 3 (Kf7)} 70. c8=Q {123.76/5 6 (Txe4)} Kf7 {#6/96 2 (f3)} 71. b7 {114.94/5 7} e3 {#5/245 0 (f3)} 72. b8=Q {125.52/5 6 (Dxe7+)} Rxc8 {#5/245 2} 73. Qxc8 {97.98/5 5} e2 {#4/245 0 (f3)} 74. Qxe7+ {#4/5 0} Kxe7 {#3/245 0} 75. Rxe6+ {#3/1 0} Kf7 {#2/245 0} 76. Qd7+ {#2/1 0} Kg8 {#1/245 0 (Kf8)} 77. Re8# {#1/1 0} 1-0

[towforce]

My Interesting Wins Search Tool filtered the 1200 games of the just finished Bullet Semifinals on chesscom (ccc22). This game was on the first rank of the found games, my tool finds insteresting. And, what can I say, the tool is right. This game is insane. The madness starts with 18.Ng5!! and the following 12 moves are just - no words to describe...after 30 moves, it is just a winning endgame.
See yourself:

(as usual in ccc, my UHO-openings are used: 8 moves (16 plies), and white always is slightly better. And mention, the chesscom-machine is brutally fast (15x faster than an normal 8core machine), so 1min+1sec thinking-time still leads to high-level chess.)

[pgn]
[Event "CCC22 Bullet: Semifinals (1|1)"]
[Site "Chess.com"]
[Date "2024.05.17"]
[Round "325"]
[White "Stockfish"]
[Black "Dragon"]
[Result "1-0"]
[ECO "B11"]
[Opening "Caro-Kann"]
[Variation "Two knights, 3...Bg4"]
[TimeControl "60+1"]
[Annotator "IWS-Tool: Queen Sacrifice found in this game"]
[PlyCount "115"]
[GameDuration "00:03:52"]
[GameEndTime "2024-05-17T19:13:56.967 PDT"]
[GameStartTime "2024-05-17T19:10:04.752 PDT"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Qb6 7. Qd3 Na6 8.
a3 Ne7 9. Be2 Rd8 10. Be3 dxe4 11. Nxe4 Nd5 12. h4 Be7 13. O-O-O O-O 14.
Bg5 Qc7 15. Qf3 f6 16. Bd2 b5 17. Bd3 Qb6 18. Ng5 fxg5 19. Bxh7+ Kh8 20.
hxg5 Rxf3 21. Bf5+ Kg8 22. Bxe6+ Rf7 23. g6 Rf8 24. Rh3 Qxd4 25. Rdh1 Qh4
26. Rxh4 Bxh4 27. Rxh4 Nc5 28. gxf7+ Rxf7 29. Bxf7+ Kxf7 30. Rh8 Nc7 31.
Rc8 Nd5 32. Rxc6 Ne4 33. f3 Nef6 34. Ra6 Ne8 35. Rxa7+ Ke6 36. Rb7 Ndc7 37.
Bf4 Nd5 38. Bg3 Ne7 39. Rxb5 Nf6 40. a4 Nfd5 41. a5 Nc8 42. Rc5 Nce7 43. a6
Nb6 44. a7 g6 45. Bh4 g5 46. Bxg5 Ned5 47. Bd8 Na8 48. Rc8 Nb4 49. Rxa8 Nc6
50. b4 Nxa7 51. Rxa7 Kf5 52. Kd2 Ke6 53. Kc3 Kd6 54. Kd4 Ke6 55. c4 Kf5 56.
Ra6 Kf4 57. Bh4 Kf5 58. Rf6# 1-0
[/pgn]

Wow!

Thank you for finding and sharing that. One doesn't expect a high level chess game to play like a Jackie Chan movie!

[pohl4711]

Wow!

Thank you for finding and sharing that. One doesn't expect a high level chess game to play like a Jackie Chan movie.

As I mentioned, my Interesting Wins Search Tool finds games like this, not me. In this particular case, the IWS-Tool filtered 20 games (out of the 1200 played games) with at least a 2 pawn-unit sac (and writes it in the very_interesting_wins.pgn file). And the tool sorts the found games: Higher sacs above lower sacs and shorter games above longer games. So, this insane game was on the first rank of these 20 games pgn file...

Just download my IWS-Tool und try it out by yourself:
https://www.sp-cc.de/files/interesting_ ... ch_tool.7z

(my Sacrifice Games Search Tool and my EAS-Tool are using the same algorithm to find sac-games quickly and without any engine-evals, so these tools will find these games, too.) But the IWS-Tool is the fastest of these 3 tools, because it does not do any statistics, it just finds cool games. It can filter enginegame-databases with 100.000 or millions of games in some minutes. On a normal PC. The 1200 games gamebase of the Bullet-Semifinals just need some seconds...

[Ajedrecista]

Hello Stefan:

What about 16.- ..., c5 instead of 16.- ..., b5? Analysis by SF 16.1 with Multi-PV = 2:

[d]3r1rk1/ppq1b1pp/n1p1pp2/3n4/3PN2P/P4Q2/1PPBBPP1/2KR3R b - - 1 16

Code: Select all

FEN: 3r1rk1/ppq1b1pp/n1p1pp2/3n4/3PN2P/P4Q2/1PPBBPP1/2KR3R b - - 1 16

Stockfish_16.1-windows-x86-64-sse41-popcnt:
[...]
---------------------------------------------------------------------------
 40/65	32:23	1.080.887.759	556.182	-1,63	b7b5 Be2d3 f6f5 Ne4g5 Qc7d7 g2g4 Na6c7 Rh1g1 Be7xg5 Bd2xg5 Rd8e8 Bg5d2 Rf8f7 g4g5 Rf7e7 Rg1e1 Re8a8 Bd2a5 Nd5b6 Ba5b4 Re7e8 Bb4c5 Nc7d5 Re1e5 Nb6a4 Rd1e1 Ra8d8 h4h5 a7a5 Kc1b1 Rd8b8 Qf3g3 Nd5c7 h5h6 g7g6 Bd3f1 Nc7d5 Bf1g2 Na4xc5 d4xc5
 40/74	32:23	1.080.887.759	556.182	-1,07	c6c5 d4xc5 f6f5 Ne4g5 Na6xc5 Be2c4 Nc5e4 Bc4b3 Qc7e5 Rh1e1 Be7f6 c2c3 Bf6xg5 h4xg5 Qe5c7 Qf3e2 Kg8h8 Kc1c2 a7a6 Re1h1 g7g6 Qe2e1 Rf8e8 Kc2b1 Nd5f4 Bd2xf4 Qc7xf4 Rd1xd8 Re8xd8 f2f3 Ne4xg5 Rh1h4 Qf4b8 Rh4b4 Rd8d7 Bb3a4 Rd7f7 Qe1d2 Qb8g3 Ba4b3 Kh8g7 Qd2d4+ e6e5

There were 1,210 TB hits to the full set of 3, 4 and 5-man Syzygy EGTB.

Regards from Spain.

Ajedrecista.

[Eelco de Groot]

16...c5 17.dxc5 f5 18.Bg5 Nxc5 19.Bc4

[d]3r1rk1/ppq1b1pp/4p3/2nn1pN1/2B4P/P4Q2/1PPB1PP1/2KR3R b - -


3r1rk1/ppq1b1pp/4p3/2nn1pN1/2B4P/P4Q2/1PPB1PP1/2KR3R b - -

Engine: Sun 14 (512 MB)
gemaakt door EN and Stockfish developers (see AUTHOR

43 61:39 +1.24 19...Lxg5 20.Lxg5 Pe4 21.Db3 Pxf2
22.Lxd8 Txd8 23.Lxd5 Pxd1 24.Txd1 exd5
25.Txd5 Txd5 26.Dxd5+ Df7 27.Dd8+ Df8
28.Dd7 b6 29.Dxa7 De8 30.Kb1 De1+
31.Ka2 De6+ 32.b3 Dc6 (1.824.601.930) 493

43 61:39 +1.36 19...Pe4 20.Lxd5 Txd5 21.Pxe4 fxe4
22.Dxe4 Te5 23.Dg4 Txf2 24.Thf1 Txf1
25.Txf1 Tf5 26.Txf5 exf5 27.Dxf5 Lxh4
28.De6+ Kf8 29.De4 Lf6 30.Dxh7 De5
31.c3 a5 32.Dh3 b5 (1.824.601.930) [d]5k2/6p1/5b2/pp2q3/8/P1P4Q/1P1B2P1/2K5 w - - {+/-} 493

43 61:39 +1.53 19...Dc6 20.La2 Tc8 21.Kb1 Lf6
22.Lb4 Pe4 23.Lb3 Lxg5 24.Lxf8 Pd2+
25.Txd2 Lxd2 26.Td1 Lh6 27.Lb4 Pxb4
28.axb4 Dxf3 29.Lxe6+ Kf8 30.gxf3 Te8
31.Lxf5 g6 32.Le4 b6 (1.824.601.930) 493

42 61:39 +2.09 19...Kh8 20.Lxd5 exd5 21.Lb4 Tc8
22.Txd5 Dc6 23.Txc5 Dxf3 24.gxf3 Lxc5
25.Lxc5 Txc5 26.Pe6 Tfc8 27.Pxc5 Txc5
28.Td1 h5 29.Td4 Tc6 30.c4 b5 31.b3 bxc4
32.bxc4 Kg8 (1.824.601.930) 493

If 19...Bxg5 20. hxg5 {looks slightly more attacking than 20. Bxg5 perhaps?}


[d]3r1rk1/ppq3pp/4p3/2nn1pP1/2B5/P4Q2/1PPB1PP1/2KR3R b - -

Engine: Sun 14 (512 MB)
gemaakt door EN and Stockfish developers (see AUTHOR

30 5:01 +1.24 20...Pe4 21.Lb3 a5 22.Dh3 h6 23.Le3 Pxg5
24.Lxg5 hxg5 25.g3 Dc6 26.f4 a4
27.Dh7+ Kf7 28.Dh5+ Kf6 29.Dxg5+ Kf7
30.Dh5+ Kf6 31.Lxd5 Txd5 32.Txd5 Dxd5
33.Td1 Dc6 (129.692.922) 430

30 5:01 +1.50 20...Tf7 21.Kb1 Pe4 22.Lb3 Tfd7
23.Lc1 g6 24.Ka1 Dc5 25.Thf1 Dc6
26.g4 Pc5 27.La2 fxg4 28.Dxg4 b5
29.c4 bxc4 30.Dxc4 a5 31.Td2 a4
32.Tc2 Tc7 33.Dg4 Db6 (129.692.922) 430

30 5:01 +1.51 20...Td7 21.Kb1 Pe4 22.Lb3 Tfd8
23.Lc1 g6 24.Ka1 Pc5 25.La2 a5
26.De2 Dc6 27.Td4 b5 28.c4 bxc4
29.Txc4 Db5 30.Te1 Te7 31.Tc2 Pb3+
32.Lxb3 Dxb3 33.Tc5 e5 (129.692.922) 430

30 5:01 +1.79 20...b5 21.Lxb5 Pe4 22.Ld3 De5
23.Lxe4 Tb8 24.Lb4 Pxb4 25.axb4 Dxe4
26.Dh3 f4 27.Tde1 Df5 28.c3 Tb6
29.Td1 Tb5 30.The1 Dg6 31.Dxe6+ Dxe6
32.Txe6 Txg5 33.Tg1 h5 (129.692.922) 430