Roman Dehtiarov vs Mukhiddin Madaminov
Chess Olympiad, Samarkand · 27 September 2026 · 0–1
The last round, the other three boards drawn, and a level rook ending lost by one pawn move: b4, and the black king walks in.
- Opening
- Ruy Lopez, Anderssen Variation (C77)
- Moves
- 55 (110 half-moves)
- Ends in
- a resignation on Rb4+
The game, move by move
A quiet Ruy Lopez
- 1. e4 King’s pawn
- 1… e5
- 2. Nf3
- 2… Nc6
- 3. Bb5 Bb5 — the Ruy Lopez
- 3… a6
- 4. Ba4
- 4… Nf6
- 5. d3 d3, the quiet way
- 5… b5
- 6. Bb3
- 6… Bc5
- 7. c3
- 7… d6
- 8. Bg5
- 8… h6
- 9. Bh4
- 9… g5 g5, at the bishop
- 10. Bg3
- 10… Bb6
- 11. a4
- 11… Rb8
- 12. Nbd2
- 12… Ne7
- 13. axb5
- 13… axb5
- 14. d4
- 14… Ng6
- 15. dxe5
- 15… dxe5
- 16. h4 h4, at the pawns
- 16… Ng4
Everything comes off
- 17. hxg5
- 17… Nf4 Nf4, into the hole
- 18. Bxf4
- 18… exf4
- 19. Nd4
- 19… Bxd4
- 20. cxd4
- 20… Qxd4
- 21. Qe2
- 21… hxg5
- 22. Rxh8+ The rooks come off on h8
- 22… Qxh8
- 23. O-O-O White castles long, at move twenty-three
- 23… Qd4
- 24. Nf3
- 24… Qxf2
- 25. Qxf2 The queens come off
- 25… Nxf2
- 26. Rd2
- 26… Nxe4
- 27. Re2
- 27… f5
- 28. Nxg5
- 28… Bb7
- 29. Bc2
- 29… Kd7
- 30. Nxe4
- 30… fxe4
- 31. Bxe4
- 31… Bxe4
- 32. Rxe4 The rook takes back A rook each. White has pawns on b2 and g2, Black on b5, c7 and f4, and the engine has it close to level.
- 32… Rf8 Rf8, behind the f-pawn
b4, and the king walks in
- 33. b4 b4 — the move that lost Re5 held. The pawn on b4 is a target, and the black king now has a road up the board to it. The engine’s score goes from under a pawn to more than four.
- 33… Kd6 The king walks up
- 34. Kd2
- 34… Kd5 Kd5
- 35. Kd3
- 35… c6 c6 c5 was quicker. This gives White one chance, Rd4+.
- 36. Re7 Re7, with three minutes left And the chance goes.
- 36… Rg8
- 37. Rd7+
- 37… Ke5
- 38. Re7+
- 38… Kd6
- 39. Rf7
- 39… Rg4
- 40. Rf6+
- 40… Ke5
- 41. Rxc6 The rook takes c6
- 41… Rg3+
- 42. Ke2
- 42… Rxg2+ The rook takes g2, with check
- 43. Kf3
- 43… Rg3+
- 44. Kf2
- 44… Rd3
- 45. Rb6
- 45… Rd5
- 46. Kf3
- 46… Kd4 Kd4 — the king goes on
- 47. Rc6
- 47… Re5
The b-pawn
- 48. Kxf4 The king takes the f-pawn Madaminov has let it go. The white king is now as far from the b-pawns as it can be.
- 48… Re4+
- 49. Kf3
- 49… Kd3 Kd3, towards the b-pawn
- 50. Rc5
- 50… Rxb4 Rxb4 — and the pawn is gone Black’s b-pawn is passed, and the black king is beside it.
- 51. Rd5+
- 51… Kc4 Kc4
- 52. Ke4
- 52… Rb1
- 53. Rd4+
- 53… Kc3
- 54. Rd3+
- 54… Kc2 Kc2
- 55. Kd4
- 55… Rb4+ Rb4+ — and Dehtiarov resigned The b-pawn cannot be stopped, and the engine counts a forced mate. Uzbekistan won the match 2½–1½, and the Olympiad, at home.
How it ends
Rb4 gives check.
White gave up a queen, a rook, 2 bishops, 2 knights and 8 pawns; Black lost a queen, a rook, 2 bishops, 2 knights and 7 pawns.
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