By now all of you have probably found out that all these engines can find the two drawing moves 130....Qc2 and 130....Qb1 without using any EGTB within seconds and probably much lower rated engines too. Why did Carlsen take back that initial move of 1.d4 and ended up playing it anyhow?
[pgn][Event "Computer chess game"]
[Site "MININT-UB2PIMJ"]
[Date "2021.12.04"]
[Round "?"]
[White "Koivisto_7.0-x64-windows-avx2"]
[Black "Koivisto_7.0-x64-windows-avx2"]
[Result "1/2-1/2"]
[BlackElo "2000"]
[Time "11:56:41"]
[WhiteElo "2000"]
[TimeControl "120+2"]
[SetUp "1"]
[FEN "4k3/8/8/4PR2/5P2/6NK/q7/8 b - - 0 1"]
[Termination "normal"]
[PlyCount "59"]
[WhiteType "program"]
[BlackType "program"]
1. ... Qb1 2. Rf6 Qd1 3. Kh4 Qe1 4. Rg6 Qf2 5. Rg4 Qa7 6. Nh5 Qf2+ 7. Kg5
Kf7 8. Ng3 Qb6 9. Kh4 Qb8 10. Nh5 Qb1 11. Rg7+ Ke6 12. Rc7 Kf5 13. Rf7+ Kg6
14. Rf6+ Kh7 {-1.18/1} 15. Rd6 Qh1+ 16. Kg4 Qg2+ 17. Ng3 Kg8 18. Rd4 Qg1
19. Re4 Qd1+ 20. Kh4 Kf7 21. f5 Qd8+ 22. Kg4 Qd1+ 23. Kh3 Ke8 24. Kh4 Ke7
25. Rf4 Qd8 26. f6+ Ke6 27. Nh5 Kxe5 28. Ng7 Kxf4 29. Ne6+ Kf5 30. Nxd8
Kxf6 {Insufficient material Insufficient material} 1/2-1/2
1 Stockfish 14 64-bit 4CPU 3546 +20 −20 68.4% −110.6 63.0% 702
98.2%
2 Fat Fritz 2 (in SF) 64-bit 4CPU 3521 +14 −14 67.8% −109.4 62.5% 1517
65.2%
3 Dragon by Komodo 2.5 64-bit 4CPU 3516 +20 −20 62.0% −67.7 74.2% 658
100.0%
4 SlowChess Blitz 2.8 64-bit 4CPU 3457 +30 −30 56.1% −32.7 80.0% 280
75.8%
5 Koivisto 7.0 64-bit 4CPU 3445 +19 −19 52.3% −13.4 73.5% 688
58.0%
6 Ethereal 13.25 64-bit 4CPU 3442 +19 −19 48.2% +10.9 75.1% 724
71.4%
7 Berserk 7.0 64-bit 4CPU 3435 +19 −20 50.0% −0.5 77.5% 658
68.8%
8 RubiChess 2.2 64-bit 4CPU 3428 +19 −19 46.8% +17.9 75.8% 727
85.8%
9 Revenge 1.0 64-bit 4CPU 3414 +19 −19 43.9% +33.2 69.6% 714
64.5%
10 Igel 3.0.5 64-bit 4CPU 3409 +14 −15 44.6% +31.0 74.7% 1239
98.8%
11 Houdini 6 64-bit 4CPU 3390 +9 −9 54.4% −28.8 62.4% 3804
74.1%
12 Nemorino 6.00 64-bit 4CPU 3384 +13 −13 45.3% +25.1 65.3% 1695
70.8%
13 Fire 8 64-bit 4CPU 3379 +13 −13 44.7% +32.5 66.8% 1572
74.3%
14 Lc0 0.28.0 w744204 64-bit 4CPU[/pgn]
How many other engines without EGTB see the Draw
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Chessqueen
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