[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2021.3.12"]
[Round ""]
[White "Ricardo"]
[Black "Lydia"]
[TimeControl "1200+4"]
[Result "1-0"]
[ECO " "]
1.e4 e5 2.Nc3 Nf6 3.Nf3 Bb4 4.Nxe5 Be7 5.d4 Rf8 6.Bg5 a5 7.Bb5 Ra7 8.O-O b6 9.Nd5 Na6 10.Qd2 c5 11.Rad1 Nxd5 12.exd5 f5 13.Bxe7
Kxe7 14.dxc5 bxc5 15.Qg5+ Rf6 16.Qxg7+ Kd6 17.Qxh7 Rf8 18.Ng6 Re8 19.Rfe1 Nb8 20.Be2 Qc7 21.Bh5 Re4 22.Rxe4 Qb6 23.Re8 Bb7
24.Rxb8 Kc7 25.Qg8 Ra6 26.d6+ Qxd6 27.Rxd6 Kxd6 28.Rxb7 Rc6 29.Bf3 a4 30.Bxc6 Kxc6 31.Qc8+ Kd5 32.Nf4+ Kc4 33.Qxd7 a3 34.bxa3
Kc3 35.Rb3+ Kxc2 36.Qd3+ Kc1 37.Rc3+ Kb2 38.Qd2+ Ka1 39.Rc1# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-12-2021"]
[Round ""]
[White "Ricardo"]
[Black "Lydia"]
[Result "1-0"]
[ECO "c) U"]
1. e4 ... ;Book.
... e5 ;Book.
2. Nc3 ... ;Book.
... Nf6 ;Book.
3. Nf3 ... ;Book.
... Bb4 ;Book.
4. Nxe5 ... ;Score: 0.34 4...O-O 5.Nd3 Bxc3 6.dxc3
;Nxe4 7.Be2 Nc6 8.O-O d6 9.Be3 Be6 (Time
;= 0:25, Depth = 1/11)
... Be7 ;Score: 0.94 5.d4 O-O 6.Be2 Bb4 7.Bg5
;Bxc3+ 8.bxc3 d6 9.Nd3 h6 10.Bxf6 Qxf6
;(Time = 0:20, Depth = 1/11)
5. d4 ... ;Score: 1.04 5...O-O 6.Be2 c6 7.O-O d5
;8.exd5 Nxd5 9.Nxd5 cxd5 10.Bf4 Qb6 11.c4
;Qxb2 12.cxd5 (Time = 0:22, Depth = 2/12)
... Rf8 ;Score: 1.56 6.Bd3 Nc6 7.Nf3 d5 8.e5 Nd7
;9.a3 Nb6 10.Bxh7 Rh8 11.Bd3 (Time =
;0:15, Depth = 1/11)
6. Bg5 ... ;Score: 1.21 6...Nxe4 7.Bxe7 Qxe7 8.Nxe4
;d6 9.Qf3 dxe5 10.O-O-O Nc6 11.Bb5 Bd7
;(Time = 0:16, Depth = 1/11)
... a5 ;Score: 1.50 7.Bd3 Nc6 8.Be3 Nb4 9.O-O
;d6 10.Nf3 d5 11.Qe2 Nxd3 12.cxd3 (Time =
;0:17, Depth = 1/10)
7. Bb5 ... ;Score: 1.47 7...c6 8.Bd3 d6 9.Nf3 Nxe4
;10.Nxe4 d5 11.Qe2 f6 12.Bf4 dxe4 13.Qxe4
;(Time = 0:19, Depth = 2/12)
... Ra7 ;Score: 2.26 8.Nc4 c6 9.e5 d6 10.exf6
;gxf6 11.Bh6 Rg8 12.Ba4 Rxg2 (Time =
;0:15, Depth = 1/10)
8. O-O ... ;Score: 2.13 8...c6 9.d5 Qc7 10.Ng4 cxb5
;11.Nxb5 Qb6 12.Nxa7 Qxa7 13.d6 Bd8
;14.Nxf6+ gxf6 15.Qd5 (Time = 0:15, Depth
;= 1/11)
... b6 ;Score: 2.54 9.Nc4 h6 10.Be3 Bb7 11.d5
;Bb4 12.Qf3 Bxc3 13.bxc3 Ba6 14.a4 Bxb5
;15.axb5 (Time = 0:19, Depth = 1/10)
9. Nd5 ... ;Score: -0.09 9...Nxd5 10.exd5 Bxg5
;11.Re1 Be7 12.Qh5 Bb7 13.Qxh7 a4 14.Bd3
;Bxd5 15.c4 Be6 16.Qxg7 (Time = 0:09,
;Depth = 2/12)
... Na6 ;Score: 3.37 10.Nxe7 Qxe7 11.Ng4 Qe6
;12.Bxf6 gxf6 13.Qf3 Ke7 14.Nh6 Nb4
;15.Nf5+ Kd8 (Time = 0:22, Depth = 1/11)
10. Qd2 ... ;Score: 0.54 10...Nxd5 11.exd5 Bxg5
;12.Rae1 Be7 13.Nc4 Rg8 14.Nxb6 Nb4
;15.Nxc8 Qxc8 16.Qg5 Qd8 (Time = 0:07,
;Depth = 1/11)
... c5 ;Score: 3.77 11.Nxe7 Qxe7 12.Nc4 Nc7
;13.Nxb6 Kd8 14.Nd5 Ncxd5 15.exd5 Qd6
;16.dxc5 Qxc5 17.c4 (Time = 0:22, Depth =
;1/11)
11. Rad1 ... ;Score: 2.57 11...Nc7 12.Nxc7+ Qxc7
;13.Rfe1 Ba6 14.Bxa6 Rxa6 15.Qe2 Ra8
;16.c3 Rc8 17.Bxf6 Bxf6 (Time = 0:07,
;Depth = 1/10)
... Nxd5 ;Score: 4.74 12.exd5 Nc7 13.Nc4 Nxb5
;14.d6 f6 15.dxe7 Kxe7 16.Rfe1+ Kf7
;17.dxc5 d5 18.Ne5+ Kg8 19.Nc6 Qd7
;20.Nxa7 Nxa7 21.cxb6 fxg5 22.bxa7 Qxa7
;23.Qxd5+ Kh8 (Time = 0:34, Depth = 2/12)
12. exd5 ... ;Score: 4.74 12...Nc7 13.Nc4 Nxb5 14.d6
;f6 15.dxe7 Kxe7 16.Rfe1+ Kf7 17.dxc5 d5
;18.Ne5+ Kg8 19.Nc6 Qd7 20.Nxa7 Nxa7
;21.cxb6 fxg5 22.bxa7 Qxa7 23.Qxd5+ Kh8
;(Time = 0:32, Depth = 1/11)
... f5 ;Score: 5.95 13.Bxe7 Qxe7 14.Rfe1 Kd8
;15.dxc5 Nxc5 16.Nc6+ dxc6 17.dxc6+ Ke8
;18.c7+ Kf7 19.Rxe7+ Kxe7 20.Qd6+ Kf7
;21.Qxb6 (Time = 0:22, Depth = 1/11)
13. Bxe7 ... ;Score: 7.07 13...Qxe7 14.Rfe1 Kd8
;15.dxc5 Qxc5 16.Nc6+ dxc6 17.dxc6+ Rd7
;18.Qxd7+ Bxd7 19.Rxd7+ Kc8 20.Bxa6+ Kb8
;21.c7+ Qxc7 22.Rxc7 Kxc7 23.Re7+ Kd6
;24.Rxg7 h6 (Time = 0:19, Depth = 1/11)
... Kxe7 ;Score: 7.16 14.d6+ Kf6 15.dxc5 g6
;16.cxb6 Ra8 17.b7 Bxb7 18.Nxd7+ Kg7
;19.Nxf8 Kxf8 20.Qc3 (Time = 0:20, Depth
;= 1/10)
14. dxc5 ... ;Score: 5.21 14...Rf6 15.Rfe1 Kf8 16.c6
;Nc5 17.cxd7 Bxd7 18.Bxd7 Rxd7 19.Nxd7+
;Qxd7 20.Qf4 Rg6 21.Qb8+ Kf7 (Time =
;0:18, Depth = 1/11)
... bxc5 ;Score: 11.90 15.d6+ Kf6 16.Qc3 h6
;17.Nc6+ Kg6 18.Nxd8 Rxd8 19.Rfe1 Rh8
;20.Re7 Rh7 21.Qg3+ Kf6 22.a3 (Time =
;0:21, Depth = 1/11)
15. Qg5+ ... ;Score: 10.68 15...Ke8 16.Qh5+ g6
;17.Nxg6 Qf6 18.Rfe1+ Kd8 19.Nxf8 Kc7
;20.Qe8 Qg7 21.Re7 Qxb2 22.Bxd7 (Time =
;0:07, Depth = 1/11)
... Rf6 ;Score: 12.89 16.Nc6+ Kf8 17.Nxd8 Nc7
;18.a4 Nxb5 19.axb5 d6 20.Rfe1 h6 21.Qe3
;Kg8 22.Nc6 Rb7 (Time = 0:21, Depth =
;2/12)
16. Qxg7+ ... ;Score: 9.12 16...Kd6 17.Nc6 Qf8
;18.Qxf8+ Rxf8 19.Nxa7 (Time = 0:00,
;Depth = 1/4)
... Kd6 ;Score: 8.88 17.Nc6 Qf8 18.Qxf8+ Rxf8
;19.Nxa7 Nc7 20.Nxc8+ Rxc8 21.Bc4 Rb8
;22.b3 Re8 23.c3 (Time = 0:14, Depth =
;1/11)
17. Qxh7 ... ;Score: 6.33 17...Qf8 18.Rfe1 c4
;19.Nxc4+ Kc7 20.d6+ Kb8 21.Re5 Rf7
;22.Qh5 Nb4 23.c3 Nc6 24.Red5 (Time =
;0:24, Depth = 2/12)
... Rf8 ;Score: 11.03 18.Nc6 Qg5 19.Nxa7 Nb8
;20.f4 Qf6 21.Nxc8+ Rxc8 22.Rfe1 Qxb2
;23.Qxf5 Qg7 24.c4 (Time = 0:22, Depth =
;2/12)
18. Ng6 ... ;Score: 6.01 18...Re8 19.Ne7 Kc7 20.Qxf5
;Rf8 21.d6+ Kb6 22.Qd3 Nb4 23.Qc4 Bb7
;24.c3 Nxa2 (Time = 0:40, Depth = 2/12)
... Re8 ;Score: 6.01 19.Ne7 Kc7 20.Qxf5 Rf8
;21.d6+ Kb6 22.Qd3 Nb4 23.Qc4 Bb7 24.c3
;Nxa2 (Time = 0:20, Depth = 1/11)
19. Rfe1 ... ;Score: 5.99 19...Kc7 20.Qf7 Rxe1+
;21.Rxe1 Kb6 22.Re8 Qc7 23.Ne7 Bb7
;24.Bxa6 Bxa6 25.Nxf5 (Time = 0:20, Depth
;= 1/11)
... Nb8 ;Score: 7.11 20.Re6+ Kc7 21.Qf7 Rg8
;22.Bc4 Kb7 23.Ree1 Rxg6 24.Qxg6 d6
;25.Bd3 Qd7 26.Qf6 (Time = 0:29, Depth =
;1/11)
20. Be2 ... ;Score: 5.39 20...Qf6 21.Bd3 Rxe1+
;22.Rxe1 Kc7 23.Ne5 f4 24.Nc4 Na6 25.d6+
;Kb8 26.Qe7 Qh8 27.c3 (Time = 0:20, Depth
;= 2/12)
... Qc7 ;MATE IN 11. 21.Qh6 c4 22.Qf4+ Kc5
;23.Qxc4+ Kd6 24.Qf4+ Kc5 25.Qd4+ Kd6
;26.Qf6+ Kc5 27.b4+ axb4 28.Qd4+ Kd6
;29.Qxb4+ Qc5 30.Qf4+ Re5 31.Qxe5# (Time
;= 0:06, Depth = 1/10)
21. Bh5 ... ;Score: 7.45 21...Rxe1+ 22.Rxe1 Qd8
;23.Qf7 Qb6 24.Qf8+ Kc7 25.Re8 Bb7 26.Qe7
;Bxd5 27.Qd8+ Kb7 28.Qxb8+ Ka6 29.Be2+ c4
;(Time = 0:08, Depth = 1/11)
... Re4 ;Score: 15.75 22.Rxe4 Qd8 23.Qf7 Kc7
;24.Re8 Qxe8 25.d6+ Kb7 26.Qxe8 Nc6
;27.Rd5 Ra8 28.Rxf5 (Time = 0:21, Depth =
;1/11)
22. Rxe4 ... ;Score: 17.62 22...Qd8 23.Qf7 Qb6
;24.Re6+ Kc7 25.Rxb6 Kxb6 26.Qf8 Rc7
;27.d6 Rc6 28.Ne7 Kb7 29.Nxc6 Nxc6
;30.Qxf5 (Time = 0:15, Depth = 2/12)
... Qb6 ;Score: 19.31 23.Re6+ Kc7 24.Rxb6 Kxb6
;25.Qg8 Rb7 26.Ne7 Ka7 27.Nxc8+ Ka8
;28.Qd8 Na6 29.Be2 c4 30.Nb6+ Ka7 31.Nxc4
;(Time = 0:27, Depth = 2/12)
23. Re8 ... ;Score: 19.08 23...Kc7 24.d6+ Kb7
;25.Bf3+ Ka6 26.Rxc8 a4 27.Qg8 Nc6
;28.Bxc6 dxc6 29.d7 Rxd7 30.Rxd7 Kb5
;31.c4+ Kb4 (Time = 0:08, Depth = 2/12)
... Bb7 ;MATE IN 3. 24.Qe7+ Kc7 25.Qd8+ Kd6
;26.Re6# (Time = 0:00, Depth = 1/2)
24. Rxb8 ... ;MATE IN 10. 24...Kc7 25.Qh8 Qxg6
;26.Qd8+ Kd6 27.Qb6+ Bc6 28.dxc6+ Ke5
;29.Qxc5+ d5 30.Rxd5+ Kf6 31.Qd6+ Kg5
;32.Qxg6+ Kh4 33.Rd4+ f4 34.Rxf4# (Time =
;0:03, Depth = 1/9)
... Kc7 ;MATE IN 8. 25.Qh8 Qxg6 26.Bxg6 Ra6
;27.Qd8+ Kd6 28.f4 Ra8 29.Bxf5 c4
;30.Qxd7+ Kc5 31.Rxb7 Ra7 32.Qc7# (Time =
;0:03, Depth = 1/9)
25. Qg8 ... ;MATE IN 9. 25...Qxg6 26.Qd8+ Kd6
;27.Qb6+ Bc6 28.dxc6+ Ke5 29.Qxc5+ d5
;30.Rxd5+ Kf6 31.Qd6+ Kg5 32.Qxg6+ Kh4
;33.Rd4+ f4 34.Rxf4# (Time = 0:02, Depth
;= 1/7)
... Ra6 ;MATE IN 5. 26.Bf3 Bxd5 27.Qc8+ Kd6
;28.Rxd5+ Ke6 29.Qf8 Qxb2 30.Qxf5# (Time
;= 0:00, Depth = 1/5)
26. d6+ ... ;Score: 21.35 26...Qxd6 27.Qd8+ Kc6
;28.Rxd6+ Kxd6 29.Rxb7 (Time = 0:00,
;Depth = 1/2)
... Qxd6 ;MATE IN 6. 27.Qd8+ Kc6 28.Rxd6+ Kxd6
;29.Rxb7 Kd5 30.Bf3+ Kc4 31.Qh4+ f4
;32.Qxf4# (Time = 0:00, Depth = 1/5)
27. Rxd6 ... ;MATE IN 7. 27...Rxd6 28.Qd8+ Kc6
;29.Bf3+ Rd5 30.Bxd5+ Kd6 31.Qe7+ Kxd5
;32.Qxd7+ Kc4 33.Ne5+ Kb4 34.Rxb7# (Time
;= 0:00, Depth = 1/5)
... Kxd6 ;MATE IN 5. 28.Rxb7 Ra8 29.Qf7 Rd8
;30.Qf6+ Kd5 31.Bf3+ Kc4 32.Qc3# (Time =
;0:00, Depth = 1/5)
28. Rxb7 ... ;MATE IN 4. 28...Ra8 29.Qf7 Rd8 30.Qf6+
;Kd5 31.Bf3+ Kc4 32.b3# (Time = 0:00,
;Depth = 1/3)
... Rc6 ;MATE IN 2. 29.Bf3 Rc7 30.Qd5# (Time =
;0:00, Depth = 1/3)
29. Bf3 ... ;MATE IN 1. 29...a4 30.Qd5# (Time =
;0:00, Depth = 1/2)
... a4 ;MATE IN 1. 30.Qd5# (Time = 0:00, Depth
;= 1/1)
30. Bxc6 ... ;MATE IN 4. 30...Kxc6 31.Qc8+ Kd5
;32.Rxd7+ Kc4 33.Qa6+ Kb4 34.a3# (Time =
;0:00, Depth = 1/2)
... Kxc6 ;MATE IN 3. 31.Qc8+ Kd5 32.Qxd7+ Kc4
;33.Qd3# (Time = 0:00, Depth = 1/3)
31. Qc8+ ... ;MATE IN 2. 31...Kd5 32.Qxd7+ Kc4
;33.Ne5# (Time = 0:00, Depth = 1/2)
... Kd5 ;MATE IN 2. 32.Qxd7+ Kc4 33.Qd3# (Time =
;0:00, Depth = 1/2)
32. Nf4+ ... ;MATE IN 7. 32...Ke4 33.Qe8+ Kxf4
;34.Qe3+ Kg4 35.Qg3+ Kh5 36.f4 Kh6
;37.Qg5+ Kh7 38.Rxd7+ Kh8 39.Qd8# (Time =
;0:00, Depth = 1/4)
... Kc4 ;MATE IN 2. 33.Qg8+ d5 34.Qxd5# (Time =
;0:00, Depth = 1/2)
33. Qxd7 ... ;MATE IN 1. 33...a3 34.Qd3# (Time =
;0:00, Depth = 1/2)
... a3 ;MATE IN 1. 34.Qa4# (Time = 0:00, Depth
;= 1/1)
34. bxa3 ... ;MATE IN 1. 34...Kc3 35.Qd3# (Time =
;0:00, Depth = 1/2)
... Kc3 ;MATE IN 1. 35.Qd3# (Time = 0:00, Depth
;= 1/1)
35. Rb3+ ... ;MATE IN 2. 35...Kxc2 36.Qd3+ Kc1
;37.Ne2# (Time = 0:00, Depth = 1/2)
... Kxc2 ;MATE IN 2. 36.Qd3+ Kc1 37.Ne2# (Time =
;0:00, Depth = 1/2)
36. Qd3+ ... ;MATE IN 1. 36...Kc1 37.Ne2# (Time =
;0:00, Depth = 1/2)
... Kc1 ;MATE IN 1. 37.Ne2# (Time = 0:00, Depth
;= 1/1)
37. Rc3+ ... ;MATE IN 2. 37...Kb2 38.Rc2+ Ka1 39.Qf1#
;(Time = 0:00, Depth = 1/2)
... Kb2 ;MATE IN 2. 38.Rc2+ Ka1 39.Qf1# (Time =
;0:00, Depth = 1/2)
38. Qd2+ ... ;MATE IN 1. 38...Ka1 39.Rc1# (Time =
;0:00, Depth = 1/2)
... Ka1 ;MATE IN 1. 39.Rc1# (Time = 0:00, Depth
;= 1/1)
39. Rc1# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-12-2021"]
[Round ""]
[White "Ricardo"]
[Black "Lydia"]
[Result "1-0"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 21 seconds
;per move.
;
; White Black
;Book Move 4 3
;Leave Book 0 1
;CMX Agrees 24 22
;CMX Disagrees 11 13
;Agreement Pct. 69% 63%
;Total Error 20.47 32.45
;Relevant Error 5.46 8.86
;Missed Mate 2 0
;Moved Into Mate 0 2
;
;
1. e4 ... ;B00 King's Pawn Opening. The King's Pawn
;opening move is both popular and
;logical. It controls the center, opens
;lines for both the Queen and the Bishop,
;and usually leads to an open game in
;which tactics, rather than slow
;maneuvering, predominates.
... e5 ;C20 King's Pawn Game. Black responds
;symmetrically, making a direct challenge
;to the central squares.
2. Nc3 ... ;C27 Vienna Game. The Vienna Game offers
;transpositions to the King's Gambit
;depending on Black's response, but is
;somewhat indirect.
... Nf6 ;C26 Vienna Game / Falkbeer Variation.
;This is one of those romantic openings
;from the last century when little was
;known of defense. Nowadays, 3.Bc4 Nxe4
;is equal (no advantage for the first
;move), 3.f4 d5 is slightly to Black's
;advantage, and 3.g3 Bc5is 8% in Black's
;favor. Only 3.Nf3, which is tame, yields
;White any chance of minimal advantage.
3. Nf3 ... ;C42 Petrov's Defense / Three Knights
;Game (transposed).
... Bb4 ;Opening Book move
4. Nxe5 ... ;Opening Book move
... Be7 ;Out of Opening Book.
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;
5. d4 Rf8
6. Bg5 a5
7. Bb5 ... ;Pins Black's pawn at d7 and clears the
;way for a kingside castle.
... Ra7 ;Slightly better is c6.
8. O-O b6
9. Nd5 ... ;Hangs the pawn at e4. Leads to 9...Nxd5
;10.exd5 Bxg5 11.Re1 Be7 12.Qh5 Bb7
;13.Qxh7 a4 14.Bd3 Bxd5 15.c4 Be6
;16.Qxg7, which wins a knight and two
;pawns for a bishop, a knight, and a
;pawn. Better is Nc4, leading to 9...h6
;10.Be3 Bb7 11.d5 Bb4 12.Qf3 Bxc3 13.bxc3
;Ba6 14.a4 Bxb5 15.axb5, which wins two
;bishops for a bishop and a knight.
... Na6 ;Leads to 10.Nxe7 Qxe7 11.Ng4 Qe6 12.Bxf6
;gxf6 13.Qf3 Ke7 14.Nh6 Nb4 15.Nf5+ Kd8,
;which wins a bishop and a knight for a
;bishop and a knight. Better is Nxd5,
;leading to 10.exd5 Bxg5 11.Re1 Be7
;12.Qh5 Bb7 13.Qxh7 a4 14.Bd3 Bxd5 15.c4
;Be6 16.Qxg7, which wins a bishop, a
;knight, and a pawn for a knight and two
;pawns. This error did not immediately
;put black out of the game, but white was
;able to eventually mate.
;ž¯³¨
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;
10. Qd2 ... ;Leads to 10...Nxd5 11.exd5 Bxg5 12.Rae1
;Be7 13.Nc4 Rg8 14.Nxb6 Nb4 15.Nxc8 Qxc8
;16.Qg5 Qd8, which wins a bishop, a
;knight, and a pawn for a bishop and two
;knights. Better is Nxe7, leading to
;10...Qxe7 11.Ng4 Qe6 12.Bxf6 gxf6 13.Qf3
;Ke7 14.Nh6 Nb4 15.Nf5+ Kd8, which wins a
;bishop and a knight for a bishop and a
;knight. This was white's most serious
;miscue, but white was able to stay close
;and eventually mated.
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;
... c5 ;Leads to 11.Nxe7 Qxe7 12.Nc4 Nc7 13.Nxb6
;Kd8 14.Nd5 Ncxd5 15.exd5 Qd6 16.dxc5
;Qxc5 17.c4, which wins two knights and a
;pawn for a bishop, a knight, and two
;pawns. Better is Nxd5, leading to
;11.exd5 Bxg5 12.Rae1 Be7 13.Nc4 Rg8
;14.Nxb6 Nb4 15.Nxc8 Qxc8 16.Qg5 Qd8,
;which wins a bishop and two knights for
;a bishop, a knight, and a pawn.
11. Rad1 ... ;Slightly better is Nxe7.
... Nxd5 ;Pins own bishop at e7. Leads to 12.exd5
;Nc7 13.Nc4 Nxb5 14.d6 f6 15.dxe7 Kxe7
;16.Rfe1+ Kf7 17.dxc5 d5 18.Ne5+ Kg8
;19.Nc6 Qd7 20.Nxa7 Nxa7 21.cxb6 fxg5
;22.bxa7 Qxa7 23.Qxd5+ Kh8, which wins
;two bishops, two knights, and two pawns
;for a rook, a bishop, two knights, and
;three pawns. Better is Nc7, leading to
;12.Nxc7+ Qxc7 13.Rfe1 Ba6 14.Bxa6 Rxa6
;15.Qe2 Ra8 16.c3 Rc8 17.Bxf6 Bxf6, which
;wins two bishops and a knight for a
;bishop and two knights.
12. exd5 f5 ;Slightly better is Nc7.
13. Bxe7 ... ;Forks Black's rook at f8 and Black's
;queen.
... Kxe7 ;Frees Black's pawn at d7 from the pin
;and removes the threat on Black's queen
;and Black's rook at f8.
14. dxc5 ... ;Leads to 14...Rf6 15.Rfe1 Kf8 16.c6 Nc5
;17.cxd7 Bxd7 18.Bxd7 Rxd7 19.Nxd7+ Qxd7
;20.Qf4 Rg6 21.Qb8+ Kf7, which wins a
;rook, a bishop, and two pawns for a
;bishop, a knight, and a pawn. Better is
;d6+, leading to 14...Kf6 15.dxc5 g6
;16.cxb6 Ra8 17.b7 Bxb7 18.Nxd7+ Kg7
;19.Nxf8 Kxf8 20.Qc3, which wins a rook
;and three pawns for a knight and a pawn.
... bxc5 ;Yikes! Isolates own pawn at a5. Leads to
;15.d6+ Kf6 16.Qc3 h6 17.Nc6+ Kg6 18.Nxd8
;Rxd8 19.Rfe1 Rh8 20.Re7 Rh7 21.Qg3+ Kf6
;22.a3, which wins a knight and a pawn
;for a queen. Much better is Rf6, leading
;to 15.Rfe1 Kf8 16.c6 Nc5 17.cxd7 Bxd7
;18.Bxd7 Rxd7 19.Nxd7+ Qxd7 20.Qf4 Rg6
;21.Qb8+ Kf7, which wins a bishop, a
;knight, and a pawn for a rook, a bishop,
;and a pawn.
15. Qg5+ ... ;Slightly better is d6+.
... Rf6 ;Leads to 16.Nc6+ Kf8 17.Nxd8 Nc7 18.a4
;Nxb5 19.axb5 d6 20.Rfe1 h6 21.Qe3 Kg8
;22.Nc6 Rb7, which wins a bishop for a
;queen and a knight. Better is Ke8,
;leading to 16.Qh5+ g6 17.Nxg6 Qf6
;18.Rfe1+ Kd8 19.Nxf8 Kc7 20.Qe8 Qg7
;21.Re7 Qxb2 22.Bxd7, which wins a pawn
;for a rook and two pawns.
16. Qxg7+ ... ;Frees Black's rook at f6 from the pin.
;Leads to 16...Kd6 17.Nc6 Qf8 18.Qxf8+
;Rxf8 19.Nxa7, which wins a queen, a
;rook, and a pawn for a queen. Better is
;Nc6+, leading to 16...Kf8 17.Nxd8 Nc7
;18.a4 Nxb5 19.axb5 d6 20.Rfe1 h6 21.Qe3
;Kg8 22.Nc6 Rb7, which wins a queen and a
;knight for a bishop.
... Kd6 ;Moves it out of check, attacks White's
;knight, and blocks White's pawn at d5.
17. Qxh7 ... ;Leads to 17...Qf8 18.Rfe1 c4 19.Nxc4+
;Kc7 20.d6+ Kb8 21.Re5 Rf7 22.Qh5 Nb4
;23.c3 Nc6 24.Red5, which wins two pawns.
;Better is Nc6, leading to 17...Qf8
;18.Qxf8+ Rxf8 19.Nxa7 Nc7 20.Nxc8+ Rxc8
;21.Bc4 Rb8 22.b3 Re8 23.c3, which wins a
;queen, a rook, and a bishop for a queen
;and a knight.
... Rf8 ;Uh-oh! Leads to 18.Nc6 Qg5 19.Nxa7 Nb8
;20.f4 Qf6 21.Nxc8+ Rxc8 22.Rfe1 Qxb2
;23.Qxf5 Qg7 24.c4, which wins a knight
;and a pawn for a rook, a bishop, and a
;pawn. Much better is Qf8, leading to
;18.Rfe1 c4 19.Nxc4+ Kc7 20.d6+ Kb8
;21.Re5 Rf7 22.Qh5 Nb4 23.c3 Nc6 24.Red5,
;which loses a pawn.
18. Ng6 ... ;Uh-oh! Leads to 18...Re8 19.Ne7 Kc7
;20.Qxf5 Rf8 21.d6+ Kb6 22.Qd3 Nb4 23.Qc4
;Bb7 24.c3 Nxa2, which wins a pawn for a
;pawn. Much better is Nc6, leading to
;18...Qg5 19.Nxa7 Nb8 20.f4 Qf6 21.Nxc8+
;Rxc8 22.Rfe1 Qxb2 23.Qxf5 Qg7 24.c4,
;which wins a rook, a bishop, and a pawn
;for a knight and a pawn.
... Re8 ;Moves it to safety and seizes the open
;file.
19. Rfe1 Nb8 ;Slightly better is Kc7.
20. Be2 ... ;Leads to 20...Qf6 21.Bd3 Rxe1+ 22.Rxe1
;Kc7 23.Ne5 f4 24.Nc4 Na6 25.d6+ Kb8
;26.Qe7 Qh8 27.c3, which wins a rook for
;a rook. Better is Re6+, leading to
;20...Kc7 21.Qf7 Rg8 22.Bc4 Kb7 23.Ree1
;Rxg6 24.Qxg6 d6 25.Bd3 Qd7 26.Qf6, which
;wins the exchange (Rook for Knight).
... Qc7 ;Black moves into a forced mate. Much
;better is Qf6. Qc7 leads to 21.Qh6 c4
;22.Qf4+ Kc5 23.Qxc4+ Kd6 24.Qf4+ Kc5
;25.Qd4+ Kd6 26.Qf6+ Kc5 27.b4+ axb4
;28.Qd4+ Kd6 29.Qxb4+ Qc5 30.Qf4+ Re5
;31.Qxe5# and checkmate.
21. Bh5 ... ;White doesn't see the win. Much better
;is Qh6, leading to 21...c4 22.Qf4+ Kc5
;23.Qxc4+ Kd6 24.Qf4+ Kc5 25.Qd4+ Kd6
;26.Qf6+ Kc5 27.b4+ axb4 28.Qd4+ Kd6
;29.Qxb4+ Qc5 30.Qf4+ Re5 31.Qxe5# and
;mate.
... Re4 ;Ouch! Leads to 22.Rxe4 Qd8 23.Qf7 Kc7
;24.Re8 Qxe8 25.d6+ Kb7 26.Qxe8 Nc6
;27.Rd5 Ra8 28.Rxf5, which wins a rook
;for a queen, a rook, and a pawn. Much
;better is Rxe1+, leading to 22.Rxe1 Qd8
;23.Qf7 Qb6 24.Qf8+ Kc7 25.Re8 Bb7 26.Qe7
;Bxd5 27.Qd8+ Kb7 28.Qxb8+ Ka6 29.Be2+
;c4, which wins a rook and a pawn for a
;rook and a knight.
22. Rxe4 ... ;Threatens checkmate (queen to e7). White
;wins a rook. White is up a rook and
;three pawns.
... Qb6 ;Leads to 23.Re6+ Kc7 24.Rxb6 Kxb6 25.Qg8
;Rb7 26.Ne7 Ka7 27.Nxc8+ Ka8 28.Qd8 Na6
;29.Be2 c4 30.Nb6+ Ka7 31.Nxc4, which
;wins a rook for a queen, a bishop, and a
;pawn. Better is Qd8, leading to 23.Qf7
;Qb6 24.Re6+ Kc7 25.Rxb6 Kxb6 26.Qf8 Rc7
;27.d6 Rc6 28.Ne7 Kb7 29.Nxc6 Nxc6
;30.Qxf5, which wins a rook and a knight
;for a queen, a rook, and a pawn.
23. Re8 ... ;Moves it to safety, partially pins
;Black's bishop, and threatens Black's
;bishop.
... Bb7 ;Black moves into a forced mate. Much
;better is Kc7. Bb7 leads to 24.Qe7+ Kc7
;25.Qd8+ Kd6 26.Re6# and mate.
24. Rxb8 ... ;White has a mate in 10. Pins Black's
;bishop. Leads to 24...Kc7 25.Qh8 Qxg6
;26.Qd8+ Kd6 27.Qb6+ Bc6 28.dxc6+ Ke5
;29.Qxc5+ d5 30.Rxd5+ Kf6 31.Qd6+ Kg5
;32.Qxg6+ Kh4 33.Rd4+ f4 34.Rxf4# and
;mate.
... Kc7 ;Attacks White's rook at b8.
25. Qg8 ... ;White has a mate in 9. Protects White's
;rook at b8. Leads to 25...Qxg6 26.Qd8+
;Kd6 27.Qb6+ Bc6 28.dxc6+ Ke5 29.Qxc5+ d5
;30.Rxd5+ Kf6 31.Qd6+ Kg5 32.Qxg6+ Kh4
;33.Rd4+ f4 34.Rxf4# and mate.
... Ra6
26. d6+ ... ;White doesn't see the win. Much better
;is Bf3, leading to 26...Bxd5 27.Qc8+ Kd6
;28.Rxd5+ Ke6 29.Qf8 Qxb2 30.Qxf5# and
;checkmate.
... Qxd6 ;Frees the pin on Black's bishop and
;removes the threat on Black's king.
27. Rxd6 ... ;White has a mate in 7. Blocks Black's
;pawn at d7. Leads to 27...Rxd6 28.Qd8+
;Kc6 29.Bf3+ Rd5 30.Bxd5+ Kd6 31.Qe7+
;Kxd5 32.Qxd7+ Kc4 33.Ne5+ Kb4 34.Rxb7#
;and mate.
... Kxd6
28. Rxb7 ... ;White has a mate in 4. Leads to
;28...Ra8 29.Qf7 Rd8 30.Qf6+ Kd5 31.Bf3+
;Kc4 32.Qc3# and mate.
... Rc6
29. Bf3 ... ;White has a mate in 1. Threatens mate
;(queen to d5) and attacks Black's rook.
;Leads to 29...Rc7 30.Qd5# and mate.
... a4
30. Bxc6 ... ;Threatens checkmate (queen to d5) and
;attacks Black's pawn at a4.White doesn't
;see the win. Better is Qd5#, which
;checkmates Black's king.
... Kxc6 ;Protects Black's pawn at a4 and
;threatens White's rook. White wins the
;exchange (Rook for Bishop). White is up
;a queen, a rook, a knight, and two pawns
;in material.
31. Qc8+ ... ;White has a mate in 2. Removes the
;threat on White's rook and checks
;Black's king. Leads to 31...Kd5 32.Qxd7+
;Kc4 33.Qd3# and mate.
... Kd5 ;Moves it out of check.
32. Nf4+ ... ;White has a mate in 7. Checks Black's
;king and blocks Black's pawn at f5.
;Leads to 32...Ke4 33.Qe8+ Kxf4 34.Qe3+
;Kg4 35.Qg3+ Kh5 36.f4 Kh6 37.Qg5+ Kh7
;38.Rxd7+ Kh8 39.Qd8# and mate.
... Kc4 ;Moves it out of check.
33. Qxd7 ... ;White will mate next turn. Threatens
;checkmate (queen captures pawn at a4),
;forks Black's pawn at f5 and Black's
;pawn at a4, and isolates Black's pawn at
;c5. Leads to 33...a3 34.Qd3# and
;checkmate.
... a3 ;Forced.
34. bxa3 ... ;Threatens to mate (queen to d3) and
;creates passed pawns on a3 and a2.White
;doesn't see the win. Better is Qa4#,
;which checkmates Black's king.
... Kc3 ;Forced. Attacks White's pawn at c2 and
;blocks White's pawn at c2.
35. Rb3+ ... ;Checks Black's king.White misses the
;mating move. Better is Qd3#, which
;checkmates Black's king.
... Kxc2 ;Creates a passed pawn on c5. Black wins
;a pawn. White is up a queen, a rook, a
;knight, and three pawns in material.
36. Qd3+ ... ;White has a mate in 1. Checks Black's
;king. Leads to 36...Kc1 37.Ne2# and
;checkmate.
... Kc1 ;Forced. Moves it out of check.
37. Rc3+ ... ;Forks Black's pawn at c5 and Black's
;king.White misses the mating move.
;Better is Ne2#, which checkmates Black's
;king.
... Kb2 ;Forced. Moves it out of check and
;attacks White's pawn at a2.
38. Qd2+ ... ;White has a mate in 1. Protects White's
;pawn at a2 and checks Black's king.
;Leads to 38...Ka1 39.Rc1# and mate.
... Ka1 ;Moves it out of check.
39. Rc1# ... ;Checkmates Black's king.
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