Double Chess Game with Analysis
This is a transcript of a game of David Short's Double Chess that was played on Richard's Play By Email server in 1999 between David Short and John Williams. The analysis provided is primarily from David Short, but with some additional comments from John Williams annotated with (JW).
1. d4 e6 2. e4 o5 3. f4 Bo7
Black is going for the quick kill, while White pushes pawns to control the queenside. White is able to thwart Black's early mate threats.
4. k3 g6 5. h4 Qhf6 6. g3 i5 7. Bi3 ixh4 8. Bxh4
At first it looks like Black will lose a queen, but he gets out of it for only the cost of a pawn.
8....g5 9. Qhf3
Well, you know what they say: Two can play at that game.
9....Qi6 10. fxg5 Ng6 11. m4 Qxf3 12. Qxf3 Nxh4 13. gxh4 m5 14. Bk2 Rf8 15. i3 Nj6 16. Ni2 f6
White is preparing to castle but now Black plays several moves with tempo.
17. gxf6 Rxf6 18. Qg3 l5 19. Nh2 Bf7
Black should have played 17....Bxc1 and then 18....Rxf6
20. Bxf7 Rxf7
Black could still have played 20....Bxc1 here. It would have made it easier for Black to play O-O.
21. Bxj8 Rxj8 22. o3 Ni4 23. Nxi4 Qxi4 24. O-O l4 25. Bl3 j5 26. Bk2 Qk4 27. Bxf7 Qxi2 28. Na3 Nc6 29. l3 Nm7 30. kxl4
Suddenly Black sees the threat: 30....mxl4 31. Qi5+ Kj7 (31....Kh8 32. Qgg7 mate) 32. Bh5+ or 32. Qf3+ and White has Black on the run.
30....Rj6 31. l5
This is a critical position in the game. White could have played 31. Qi5+ but Black will probably eventually get in Rk6+ after 31...Ri6 and get a good counterattack going. White thus prevents Rk6+ and Black castles before its too late.
31....O-O-O-O 32. Qmg7 n5 33. Nm2 Nxl5 34. mxl5 Qxl5
(JW): A Knight sacrifice in order to get the attack started. White's strength on the Queen side becomes his weakness on the the King side.
Now White has to scramble to cover Black's mate threats.
35. Rl1 Qn3
Probably 35....Rk6+ would have been better: 36. Nk3 Qn3 37. Qxh7 m4
Black has a very good attack going. If instead 37. Kk2 Qxn2+ 38. Rl2 Qi7 39. Rjl1 and White can breath a little easier. But alas that didn't happen.
36. Qm1 Rxl3 37. Nl4 Rxl1+ 38. Bxl1 Qm4 39. Qxm4 nxm4 40. Nxj5
(JW): Black has been trading down to maintain his advantage on the King side and hopefully force mate. If white escapes, the undeveloped bishop and rook on the king side will be a huge >disadvantage to black.
Clever move. If 40....Rxj5 then 41. Bi4
40....Ql8 41. Reg1 o4 42. Qg8 Bp6+ 43. Kk2 Rj8
Suddenly Black is threatening Rxg8 and Ql3 mate. How is White going to get out of this? With great creativity!
(JW): A Knight sacrifice to slow the attack, followed up with a Rook sacrifice to stop the attack.
44. Nl6+ kxl6 45. Qg7
If 45. Qxh7 then 45....Qk8+ 46. Qk4 Qxk4 mate
45...Qk8+ 46. Qk3
If 45....Rk8+ then 46. Kj3 and White will escape next with 47. Ki2
46....Qh5+ 47. j3 Rk8
White has to give up a rook but gets a good counterattack going.
48. Rg8 Rxg8 49. Qk6+ Km7 50. Qk7+ Km6
50....Km6 was a mistake.
(JW): After Bxo4+ black can no longer get out of check long enough to resume his attack.
51. Bxo4+ Kn6 52. Qxl6+ Ko7 53. n4
White missed a better move with 53. Bn5 and Black forgot about the en passant rule. He could have played 53....mxn3 e.p. A likely continuation might have been 53. Bn5 Rg2+ 54. Rj2 Rxj2+55. Kxj2 Qe2+ 56. Kk3 Nxd4 57. Qm7+ Ko8 58. Qxp7+ Kn8 59. Qxp6+ Km8 60. Qm6+ Kn8 61. Bp5 and Black won't be able to avoid mate. OR 53. >Bn5 Qi6 54. Qm7+ Ko8 55. Qxp7+ Kn8 56. Qp8+ Km7 57. Qxm5+
One problem with DOUBLE CHESS analysis is that with more potential moves it is harder to do a complete job. There are a lot of possible moves to explore.
53....mxn4 54. oxn4
(JW): Black would have been better off with 53 ... mxn3 e.p. or going directly to Qe2+. After oxn4, the o file is open for attacks from white's rooks.
54 ... Qe2+ 55. Rj2 Rk8+ 56. Bxk8 Qxk8+
(JW): Black's final effort separates white's rooks, and trades a rook for white's bishop. Enough to slow white down.
57. Kl2 Qo4 58. Ql4+ Kn7 59. Qi7+ Km8 60. Qh8+ DRAW AGREED
Black threatens Bxn4+ and White threatens Ro1 if Black moves his king to the o-file. A draw by perpetual check is fair for both sides here.
All comments were made by David Short (aka dshort) except for those with the letters "(JW)" preceeding them, which were made by John Williams (aka sharkey). Webpage made by Hans Bodlaender, based on email by David Schmidt with comments of David Short and John Williams.
WWW page created: 1999-09-13.
WWW page updated: 2020-09-01.