Uit de interne: P4, inhaal

door Jan van de Westelaken · 8 april 2025

Marcel Verstappen heeft de volgende partij ingestuurd, een echte roller coaster (de evaluation bar schiet alle kanten op), maar met een vreedzame uitkomst.

B

Pieter Thissen

½-½

Marcel Verstappen

[Event "UVS intern"]  [Date "2025.04.07"]  [White "Pieter Thissen"]  [Black "Marcel Verstappen"]  [Result "½-½"]   1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.21] } 2. Nf3 { [%eval 0.13] } 2... Nc6 { [%eval 0.21] } 3. Bb5 { [%eval 0.08] } 3... Nf6 { [%eval 0.17] } 4. O-O { [%eval 0.06] } 4... Bc5 { [%eval 0.36] } 5. c3 { [%eval 0.37] } { C65 Ruy Lopez: Classical Variation, Zukertort Gambit } 5... O-O { [%eval 0.47] } 6. d4 { [%eval 0.29] } 6... exd4?! { (0.29 → 1.24) Inaccuracy. Bb6 was best. } { [%eval 1.24] } (6... Bb6 7. a4 a6 8. Bxc6 dxc6 9. Nxe5 Nxe4 10. a5 Ba7 11. Re1) 7. cxd4 { [%eval 1.35] } 7... Bb6 { [%eval 1.8] } 8. e5 { [%eval 1.36] } 8... Ne4 { [%eval 1.41] } 9. Nc3?! { (1.41 → 0.48) Inaccuracy. d5 was best. } { [%eval 0.48] } (9. d5) 9... d5 { [%eval 0.44] } 10. h3 { [%eval 0.47] } 10... Bf5 { [%eval 0.49] } 11. Na4 { [%eval 0.37] } 11... f6 { [%eval 0.68] } 12. Nxb6 { [%eval 0.23] } 12... axb6 { [%eval 0.24] } 13. Be3 { [%eval 0.37] } 13... fxe5 { [%eval 0.64] } 14. dxe5 { [%eval 0.27] } 14... Ne7 { [%eval 0.48] } 15. Bd3 { [%eval -0.06] } 15... c5?! { (-0.06 → 0.78) Inaccuracy. Nc5 was best. } { [%eval 0.78] } (15... Nc5 16. Bxf5 Nxf5 17. Bxc5 bxc5 18. Re1 h6 19. a4 Qd7 20. a5 Qe6 21. b4) 16. g4?! { (0.78 → -0.29) Inaccuracy. Nh4 was best. } { [%eval -0.29] } (16. Nh4) 16... Qd7?? { (-0.29 → 3.09) Blunder. Be6 was best. } { [%eval 3.09] } (16... Be6) 17. gxf5 { [%eval 3.07] } 17... Qxf5 { [%eval 3.14] } 18. Bxe4? { (3.14 → 1.69) Mistake. Ng5 was best. } { [%eval 1.69] } (18. Ng5 h6 19. Nxe4 dxe4 20. Bc4+ Kh8 21. Qg4 Qxe5 22. Rad1 Rae8 23. Kh1 Nf5) 18... Qxe4 { [%eval 1.64] } 19. Nh2 { [%eval 1.51] } 19... Nf5? { (1.51 → 3.00) Mistake. Ng6 was best. } { [%eval 3.0] } (19... Ng6 20. Qg4 Qxg4+ 21. hxg4 d4 22. Bc1 Nxe5 23. Rd1 Rae8 24. f4 Nc4 25. Nf1) 20. Qg4?? { (3.00 → 1.00) Blunder. Re1 was best. } { [%eval 1.0] } (20. Re1 d4 21. Bd2 Qc6 22. Qf3 Rae8 23. Qxc6 bxc6 24. Nf3 h6 25. a4 c4) 20... Qxe5 { [%eval 1.15] } 21. Nf3 { [%eval 0.78] } 21... Qxb2 { [%eval 0.81] } 22. Nh4? { (0.81 → -0.54) Mistake. Bg5 was best. } { [%eval -0.54] } (22. Bg5) 22... Nxh4 { [%eval -0.58] } 23. Qxh4 { [%eval -0.6] } 23... Rxa2 { [%eval -0.59] } 24. Rxa2 { [%eval -0.53] } 24... Qxa2 { [%eval -0.65] } 25. Qe7?! { (-0.65 → -1.45) Inaccuracy. Re1 was best. } { [%eval -1.45] } (25. Re1 Qc2 26. Qg3 Qc3 27. f3 h6 28. Kf2 Kh7 29. h4 Qb2+ 30. Re2 Qf6) 25... d4 { [%eval -1.27] } 26. Bc1 { [%eval -1.3] } 26... d3? { (-1.30 → 0.22) Mistake. Qf7 was best. } { [%eval 0.22] } (26... Qf7 27. Qd6 Qf6 28. Qd5+ Rf7 29. f4 Qc6 30. Qd8+ Rf8 31. Qg5 b5 32. Re1) 27. Be3?! { (0.22 → -0.37) Inaccuracy. Qd7 was best. } { [%eval -0.37] } (27. Qd7 Qb3) 27... Qd5 { [%eval -0.62] } 28. Rb1?! { (-0.62 → -1.39) Inaccuracy. Kh2 was best. } { [%eval -1.39] } (28. Kh2) 28... d2?? { (-1.39 → 1.06) Blunder. h6 was best. } { [%eval 1.06] } (28... h6 29. Kh2) 29. Rd1 { [%eval 1.18] } 29... Rf6 { [%eval 1.34] } 30. Rxd2?! { (1.34 → 0.62) Inaccuracy. Qe8+ was best. } { [%eval 0.62] } (30. Qe8+) 30... Rg6+ { [%eval 0.66] } 31. Kf1 { [%eval 0.87] } 31... Qc4+ { [%eval 0.93] } 32. Re2 { [%eval 0.7] } 32... h6 { [%eval 0.67] } 33. Qxb7 { [%eval 0.41] } 33... Qd3 { [%eval 0.55] } 34. f3 { [%eval 0.56] } 34... c4?! { (0.56 → 1.30) Inaccuracy. Qf5 was best. } { [%eval 1.3] } (34... Qf5 35. Qa8+) 35. Kf2? { (1.30 → 0.00) Mistake. Qa8+ was best. } { [%eval 0.0] } (35. Qa8+ Kf7) 35... Qd6? { (0.00 → 1.58) Mistake. Qd1 was best. } { [%eval 1.58] } (35... Qd1 36. Qb8+ Kh7 37. Qh2 c3 38. h4 c2 39. h5 Re6 40. Qf4 c1=R 41. Qf5+) 36. Qc8+ { [%eval 1.48] } 36... Kh7 { [%eval 1.24] } 37. Qxc4? { (1.24 → -0.12) Mistake. Qf5 was best. } { [%eval -0.12] } (37. Qf5) 37... Qh2+ { [%eval 0.0] } 38. Ke1 { [%eval 0.04] } 38... Qh1+ { [%eval 0.0] } 39. Kd2 { [%eval 0.0] } 39... Qxf3 { [%eval 0.0] } 40. Qd3 { [%eval 0.0] } 40... Qxh3 { [%eval 0.0] } *

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Uit de interne: P4, inhaal

B

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