Hobacle wrote: ↑Wed Jul 28, 2021 4:49 am
[d]8/2p1r1P1/P1Pp1K2/b1pP4/1qBp2p1/3P1pPp/3N1P1B/k5BN b - - 0 1
Black to win.
Don't have enough hardware- time right now to get a reliable DTM, not having found the best parameters for Chest till now.
But I guess you yet stayed somewhat lower than 50 this time
As for your question about 2.Kxe7, even if that might be the the shorter way to mate probably:
8/2p1r1P1/P1Pp1K2/b1pP4/1qBp2p1/3P1pPp/3N1P1B/k5BN b - -
Engine: MateFinder 050320 640 (65536 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.
57/66 1:21 -6.27 1...Qxd2 2.Kxe7 Qg5+ 3.Kd7 Qxg7+
4.Kc8 Qg8+ 5.Kb7 Bb6 6.a7 Bxa7
7.Kxa7 Kb2 8.Kb7 Qd8 9.Bb5 Kc3
10.Ka7 Qe7 11.Kb7 Kd2 12.Kc8 Qf7
13.Kb7 Qh7 14.Bc4 Kc3 (4.341.116.578) 53011
After giving in 2.g8Q:
[d]6Q1/2p1r3/P1Pp1K2/b1pP4/2Bp2p1/3P1pPp/3q1P1B/k5BN b - -
Engine: MateFinder 050320 640 (65536 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.
40/50 0:03 -6.51 2...Re5 3.Qg6 Bb6 4.Bb5 Kb2 5.Bc4 Kc2
6.Qg7 Kb1 7.Qg6 Kb2 8.Bb5 Kb3 9.Qg7 Rh5
10.Kf7 Rf5+ 11.Ke6 Qg5 12.Qxg5 Rxg5
13.Kd7 Rg8 14.Bc4+ Kc3 15.Ke7 Kd2 (197.035.573) 62550
As for DTM maybe something like this?
[pgn][Event "?"]
[Site "?"]
[Date "2021.07.28"]
[Round "?"]
[White "Hobacle"]
[Black "Juli"]
[Result "0-1"]
[SetUp "1"]
[FEN "8/2p1r1P1/P1Pp1K2/b1pP4/1qBp2p1/3P1pPp/3N1P1B/k5BN b - -"]
1... Qxd2 2. g8=Q Re5 3. Qg7 Bb6 4. Qg6 Kb2 5. Qg7 Kc2
6. Qg6 Ba7 7. Qg7 Kc3 8. Qg6 Kb2 9. Kf7 Qg5 10. Qxg5 Rxg5
11. Ke6 Bb6 12. Kd7 Rg8 13. Ke6 Kc3 14. Bb5 Kd2 15. Kf7 Rg5
16. Ke8 Kd1 17. Kd7 Rg8 18. Ke7 Ke2 19. Kf7 Rb8 20. Bc4 Kf1
21. Bb3 Kg2 22. Kg6 Kxh1 23. Kg5 Ba7 24. Kxg4 Rxb3 25. Kxh3
c4 26. g4 cxd3 27. Bf4 Kxg1 28. Kg3 Rb2 29. g5 d2 30. Bxd2
Rxd2 31. Kxf3 Rxf2+ 32. Ke4 Re2+ 33. Kd3 Re3+ 34. Kd2 Ra3
35. Kc2 d3+ 36. Kb2 d2 37. Kc2 Ra2+ 38. Kd1 Kf2 39. g6 Ke3
40. g7 Kd3 41. g8=Q Ra1# 0-1[/pgn]