Sting is the King of problems solving chess puzzleszullil wrote: ↑Mon Jan 21, 2019 10:50 pmWell, Cfish-dev also finds Na5, albeit with a score of 0.00. But I doubt it can solve the study. Sting's PV seems odd to me. Qh6?Dann Corbit wrote: ↑Mon Jan 21, 2019 9:59 pm
Sting diverges on ply 2 but seems happy with the plan. Key move chosen, but the Neghina analysis rejects the ponder move Be2 response.
Code: Select all
Searching: 4q1kn/2Bp1p2/1N1PpPp1/1P2P1P1/2N3b1/6p1/1P4Pb/7K w - - infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0 1 -10.34 00:00 19 Ne3 2 -10.59 00:00 100 Ne3 Be2 3 -10.42 00:00 198 Ne3 Be2 Nc4 4 -10.67 00:00 505 b3 Kf8 Ne3 Be2 5 -10.42 00:00 1150 b3 Bd1 Nd2 Bc2 Nc4 6 -8.81 00:00 2326 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 7 -8.69 00:00 2844 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 b4 Bc6 8 -7.72 00:00 5185 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Nxd7 Be2 b3 Bd1 9 -8.53 00:00 10140 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Bd3 Kg3 Be4 b4 Kf8 10 -8.00 00:00 16735 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Bf1 Kg3 Bd3 Kf3 Kh7 b4 11 -7.80 00:00 25164 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 12 -7.72 00:00 38468 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 Bb5 g3 Qf8 Ke3 Bc6 Nc4 13 -7.64 00:00 57232 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 Bb5 Kf2 Bc6 Ke3 Bxg2 b5 14 -7.56 00:00 87528 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Bc6 b4 Bb5 15 -7.56 00:00 91395 Nd2 Be2 16 -7.56 00:00 112290 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Bc6 b4 17 -3.39 00:00 913399 Na5 Kf8 Nc6 Be2 Ne7 Bxb5 b3 Ba6 b4 Bd3 Nc8 Bf1 Nb6 Ba6 b5 Bxb5 Nc8 Qxc8 Nxc8 Ba4 Ba5 Bc6 Nb6 Bb5 Be1 Ke8 Ba5 18 -3.39 00:00 966835 Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 19 -3.43 00:00 1019K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Bf1 Nb6 Bb5 Nc8 Bd3 Nb6 20 -3.43 00:00 1084K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 21 -3.35 00:00 1355K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Be2 Nb6 Ba6 Bb8 Bd3 Bc7 Be4 Nc8 Bc6 22 -3.35 00:00 1506K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Be2 Nb6 Ba6 Bb8 Bd3 Bc7 Be4 Nc8 Bc6 Nb6 Bb7 Bb8 Be4 Bc7 23 -3.35 00:00 1532K Na5 Be2 Nc6 24 -3.35 00:00 3093K Na5 Be2 Nc6 Bd3 Ne7+ 25 -3.39 00:00 3572K Na5 Qf8 Nb7 Be2 Nd8 Bxb5 Nc8 Qe8 Ne7+ Kf8 Nc8 26 -3.35 00:00 3746K Na5 Be2 27 -2.51 00:01 16678K Na5 Be2 Nc6 Bxb5 Nd8 Kf8 Nc8 Bc4 Ne7 28 -1.54 00:02 20728K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b4 Qe8 Nc8 Ba4 Ne7+ Kf8 Nc8 Bc2 Ne7 Be4 Nc8 Bd3 Nb6 Bb5 Nc8 Ba4 Na7 Kg8 Nc8 Kh7 Ne7 Bc6 Ba5 Qf8 Bb6 Be4 Ba5 Bd3 29 -1.21 00:03 30646K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Ba6 Na4 Kh7 b4 Bb5 Nc5 Kg8 Nb3 Bc4 Nd4 Ba6 30 -0.97 00:05 55821K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Bc6 Nc5 Bd5 b4 Bc4 Ne4 Qe8 Nc5 Bf1 Nb3 Ba6 Nd4 Bc4 b5 Kg8 b6 Bd5 Nf3 Bb7 Nxh2 gxh2 Kxh2 Be4 Kg3 Bd5 Kf2 31 -0.57 00:06 66665K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Ba6 32 -0.57 00:06 68974K Na5 Be2 Nc6 33 -0.57 00:08 81134K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 34 +0.00 00:14 153234K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 35 +0.00 00:15 158500K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 36 +0.00 00:15 163947K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 37 +0.00 00:16 173358K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 38 +0.00 00:17 185383K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 39 +0.00 00:19 198666K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 40 +0.00 00:21 225180K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 41 +0.00 00:24 249363K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 42 +0.00 00:25 266504K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 43 +0.00 00:29 307081K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 44 +2.10 16:11 10705M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Bf1 Nxg5+ Kh6 Nf3 Nf4 Nxh2 Bxg2+ Kg1 gxh2+ Kxh2 Bc6 Bb6 Nd3 Bd4 Kg6 Kh3 Kf7 Kg4 Bb7 Na4 Bc6 Kg5 Bd5 Nb6 Bc6 Nc4 Bd5 Nd2 45 +2.30 20:30 13404M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Kg8 46 +2.30 22:57 14950M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Kg8 Nodes: 19628276874 Nodes/second: 10903907 Best move: Na5 Ponder move: Be2
A new Unbreakable from Neghina...
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Re: A new Unbreakable from Neghina...
Who is 17 years old GM Gukesh 2nd at the Candidate in Toronto?
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https://indianexpress.com/article/sport ... t-9281394/
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Re: A new Unbreakable from Neghina...
Great Sting-SF and nice test position !Chessqueen wrote: ↑Mon Jul 15, 2019 4:54 amSting is the King of problems solving chess puzzleszullil wrote: ↑Mon Jan 21, 2019 10:50 pmWell, Cfish-dev also finds Na5, albeit with a score of 0.00. But I doubt it can solve the study. Sting's PV seems odd to me. Qh6?Dann Corbit wrote: ↑Mon Jan 21, 2019 9:59 pm
Sting diverges on ply 2 but seems happy with the plan. Key move chosen, but the Neghina analysis rejects the ponder move Be2 response.
Code: Select all
Searching: 4q1kn/2Bp1p2/1N1PpPp1/1P2P1P1/2N3b1/6p1/1P4Pb/7K w - - infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0 1 -10.34 00:00 19 Ne3 2 -10.59 00:00 100 Ne3 Be2 3 -10.42 00:00 198 Ne3 Be2 Nc4 4 -10.67 00:00 505 b3 Kf8 Ne3 Be2 5 -10.42 00:00 1150 b3 Bd1 Nd2 Bc2 Nc4 6 -8.81 00:00 2326 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 7 -8.69 00:00 2844 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 b4 Bc6 8 -7.72 00:00 5185 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Nxd7 Be2 b3 Bd1 9 -8.53 00:00 10140 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Bd3 Kg3 Be4 b4 Kf8 10 -8.00 00:00 16735 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Bf1 Kg3 Bd3 Kf3 Kh7 b4 11 -7.80 00:00 25164 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 12 -7.72 00:00 38468 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 Bb5 g3 Qf8 Ke3 Bc6 Nc4 13 -7.64 00:00 57232 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Be2 b4 Bd3 Kf3 Bb5 Kf2 Bc6 Ke3 Bxg2 b5 14 -7.56 00:00 87528 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Bc6 b4 Bb5 15 -7.56 00:00 91395 Nd2 Be2 16 -7.56 00:00 112290 Nd2 Be2 Nf3 Bxb5 Nxh2 gxh2 Kxh2 Kh7 Kg3 Bc6 b4 17 -3.39 00:00 913399 Na5 Kf8 Nc6 Be2 Ne7 Bxb5 b3 Ba6 b4 Bd3 Nc8 Bf1 Nb6 Ba6 b5 Bxb5 Nc8 Qxc8 Nxc8 Ba4 Ba5 Bc6 Nb6 Bb5 Be1 Ke8 Ba5 18 -3.39 00:00 966835 Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 19 -3.43 00:00 1019K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Bf1 Nb6 Bb5 Nc8 Bd3 Nb6 20 -3.43 00:00 1084K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 21 -3.35 00:00 1355K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Be2 Nb6 Ba6 Bb8 Bd3 Bc7 Be4 Nc8 Bc6 22 -3.35 00:00 1506K Na5 Be2 Nc6 Bxb5 Ne7+ Kf8 b3 Ba6 b4 Bd3 Nc8 Be2 Nb6 Ba6 Bb8 Bd3 Bc7 Be4 Nc8 Bc6 Nb6 Bb7 Bb8 Be4 Bc7 23 -3.35 00:00 1532K Na5 Be2 Nc6 24 -3.35 00:00 3093K Na5 Be2 Nc6 Bd3 Ne7+ 25 -3.39 00:00 3572K Na5 Qf8 Nb7 Be2 Nd8 Bxb5 Nc8 Qe8 Ne7+ Kf8 Nc8 26 -3.35 00:00 3746K Na5 Be2 27 -2.51 00:01 16678K Na5 Be2 Nc6 Bxb5 Nd8 Kf8 Nc8 Bc4 Ne7 28 -1.54 00:02 20728K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b4 Qe8 Nc8 Ba4 Ne7+ Kf8 Nc8 Bc2 Ne7 Be4 Nc8 Bd3 Nb6 Bb5 Nc8 Ba4 Na7 Kg8 Nc8 Kh7 Ne7 Bc6 Ba5 Qf8 Bb6 Be4 Ba5 Bd3 29 -1.21 00:03 30646K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Ba6 Na4 Kh7 b4 Bb5 Nc5 Kg8 Nb3 Bc4 Nd4 Ba6 30 -0.97 00:05 55821K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Bc6 Nc5 Bd5 b4 Bc4 Ne4 Qe8 Nc5 Bf1 Nb3 Ba6 Nd4 Bc4 b5 Kg8 b6 Bd5 Nf3 Bb7 Nxh2 gxh2 Kxh2 Be4 Kg3 Bd5 Kf2 31 -0.57 00:06 66665K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Ba6 32 -0.57 00:06 68974K Na5 Be2 Nc6 33 -0.57 00:08 81134K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 34 +0.00 00:14 153234K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 35 +0.00 00:15 158500K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 36 +0.00 00:15 163947K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 37 +0.00 00:16 173358K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 38 +0.00 00:17 185383K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 39 +0.00 00:19 198666K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 40 +0.00 00:21 225180K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 41 +0.00 00:24 249363K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 Kg8 b5 Kf8 Bb6 Kg8 Bc7 42 +0.00 00:25 266504K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 43 +0.00 00:29 307081K Na5 Be2 Nc6 Bxb5 Nd8 Qf8 b3 Kh7 Na4 Qe8 Nc3 Bc6 b4 44 +2.10 16:11 10705M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Bf1 Nxg5+ Kh6 Nf3 Nf4 Nxh2 Bxg2+ Kg1 gxh2+ Kxh2 Bc6 Bb6 Nd3 Bd4 Kg6 Kh3 Kf7 Kg4 Bb7 Na4 Bc6 Kg5 Bd5 Nb6 Bc6 Nc4 Bd5 Nd2 45 +2.30 20:30 13404M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Kg8 46 +2.30 22:57 14950M Na5 Be2 Nb7 Bc4 Nd8 Bxb5 b3 Qf8 Na4 Qh6 gxh6 g5 Nc3 Ng6 h7+ Kxh7 Nxf7 Kg8 Nodes: 19628276874 Nodes/second: 10903907 Best move: Na5 Ponder move: Be2