Comments (2)
Matthies
commented on July 30, 2024
Origin of the problem is this position: 4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - 0 1
Best known line from here:
1.f4 Lxf4 2.Kd7 Ld2 3.Kc6 La5 4.b4 cxb4 5.Lb3+ Kg7 6.Kd5 Kf6 7.Ke4 h5 8.Kf4 Kg6 9.Ke5 h4 10.Kf4 Kh5 11.f3 h3 12.Kg3 h2 13.Kxh2 Kg6 14.Kh3 Kf5 15.Kg3 Ke5 16.f4+ Kf5 17.Kf3 Kf6 18.Ke4 Ke7 19.Ke5 Ke8 20.f5 Kd7 21.f6 Ke8 22.f7+ Ke7 23.Kf5 Kf8 24.Ke6 Kg7 25.Ke7 Kg6 26.f8D Kg5 27.Dd8 Kf5 28.Dc7
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Matthies
commented on July 30, 2024
Release version 2.0 finds f4 immedialtely with > +3 but switches to drawing move Kd7 later at depth 37 with > +4. Later at depth 45 Kd7 decreases to ~ +3 switches to Bd1 at depth 50, back to Kd7 and so on.
Well, I close this.
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Related Issues (20)
- Bug in delay measuring HOT 1
- Quite big delay on first move at TCEC HOT 4
- TB bug HOT 4
- Score of instamove
- Another 3-fold-blunder HOT 5
- Possible bug selecting a fail high move HOT 1
- Unstable evaluation HOT 6
- MultiPV sometime prints move with wrong score when search is stopped HOT 1
- index out of bounds HOT 1
- ld. lld: HOT 2
- Infinite search / stack overflow HOT 2
- Rubi losing mate score HOT 1
- Build definition is slightly wrong HOT 3
- INTRINSICS optimization HOT 7
- Rubi not displaying TB score in a TB7 position HOT 1
- C++20? (Not an issue but a question) HOT 4
- Please add ARMv9.2, SVE2, Dot Product and Neon support
- Several missed moves in endgames at low time
- Rubi showing wrong winning eval +10 in a drawn endgame
- cosmetic CLI info glitch (WinARM64) HOT 1
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