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sábado, 1 de março de 2014

Berry (1068) x Ricardo - win - non rated game

Partida de Xadrez / Chess Game

[Event ""]
[Site ""]
[Date "2014.3.1"]
[Round ""]
[White "Berry"]
[Black "Ricardo"]
[TimeControl "600"]
[Result "0-1"]
[ECO " "]

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.h4 Nc6 5.Bg5 exd4 6.Bb5 Bd7 7.Bd3 Be7 8.Qd2 O-O 9.Qc1 Nb4 10.Ke2 Bg4 11.Bxf6 Bxf6 12.Qd2 c5 13.e5
dxe5 14.c3 Nxd3 15.Qxd3 e4 16.Qxe4 Re8 17.Qxe8+ Qxe8+ 18.Kd3 Bf5+ 19.Kd2 Qe4 20.cxd4 c4 21.Na3 Qd3+ 22.Kc1 c3 23.b3 Qe2 24.b4
Qxf2 25.b5 Qxg2 26.Rg1 Qxf3 27.Nc2 Qf2 28.Rxg7+ Kxg7 29.a3 Bxc2 30.a4 a5 31.bxa6ep Rxa6 32.a5 Bd8 33.d5 Rxa5 34.d6 Rxa1# 0-1



Black wins!

Oustanding victory against a much better rated opponent! Your solid play is not yet reflected by your rating - play on !
Game type: Dominated by black
Domination percentage: 32%, starting from move 11
Opening used: Philidor's Defense / Nimzowitsch (Jaenisch) Variation
Worst move: 24, Qxf2, Decrease: 85.31
Mate opportunities: 3
Suggested opponent: Jeff (rating 1133)

[Event ""]
[Site ""]
[Date "3-1-2014"]
[Round ""]
[White "Berry"]
[Black "Ricardo"]
[Result "0-1"]
[ECO "c) U"]

  1. e4             ...           ;Book.
     ...            e5            ;Book.
  2. Nf3            ...           ;Book.
     ...            d6            ;Book.
  3. d4             ...           ;Book.
     ...            Nf6           ;Score: 0.59  4.Nc3 exd4 5.Nxd4 Be7 6.Be2
                                   ;O-O 7.O-O d5 8.exd5 Nxd5 (Time = 0:09,
                                   ;Depth = 1/9)
  4. h4             ...           ;Score: -0.20  4...exd4 5.Qxd4 Nc6 6.Qa4
                                   ;d5 7.Bb5 dxe4 8.Ne5 Rb8 9.Nxc6 bxc6
                                   ;10.Bxc6+ Bd7 (Time = 0:07, Depth = 1/9)
     ...            Nc6           ;Score: 0.16  5.d5 Ne7 6.Nc3 Bg4 7.Bg5 h6
                                   ;8.Bxf6 gxf6 9.Bb5+ c6 10.dxc6 bxc6 (Time
                                   ;= 0:04, Depth = 1/8)
  5. Bg5            ...           ;Score: -0.07  5...exd4 6.Nxd4 h6 7.Nxc6
                                   ;bxc6 8.Be3 Rb8 9.Nc3 Rxb2 10.Be2 (Time =
                                   ;0:07, Depth = 1/9)
     ...            exd4          ;Score: -0.13  6.Nxd4 h6 7.Bxf6 Qxf6
                                   ;8.Bb5 Bd7 9.Bxc6 bxc6 10.Nc3 (Time =
                                   ;0:06, Depth = 1/9)
  6. Bb5            ...           ;Score: -0.19  6...Bd7 7.Nxd4 h6 8.Be3
                                   ;Nxd4 9.Bxd7+ Qxd7 10.Qxd4 Qg4 11.Qa4+ c6
                                   ;(Time = 0:07, Depth = 1/9)
     ...            Bd7           ;Score: -0.20  7.Nbd2 h6 8.Bf4 Qe7 9.O-O
                                   ;O-O-O 10.Re1 Bg4 11.Nc4 (Time = 0:06,
                                   ;Depth = 1/9)
  7. Bd3            ...           ;Score: -0.65  7...h6 8.Bf4 d5 9.e5 Bb4+
                                   ;10.c3 dxc3 11.Nxc3 Ne4 12.Qb3 Nxc3
                                   ;13.bxc3 (Time = 0:05, Depth = 1/9)
     ...            Be7           ;Score: -0.56  8.c3 h6 9.Bf4 d5 10.e5 Nh5
                                   ;11.Bh2 Bg4 12.Bb5 (Time = 0:06, Depth =
                                   ;1/9)
  8. Qd2            ...           ;Score: -1.23  8...O-O 9.c3 h6 10.Bf4 d5
                                   ;11.exd5 Nxd5 12.Bg3 Bd6 13.O-O (Time =
                                   ;0:08, Depth = 1/9)
     ...            O-O           ;Score: -1.21  9.c3 h6 10.Bf4 d5 11.exd5
                                   ;Nxd5 12.cxd4 Bd6 13.Be3 (Time = 0:07,
                                   ;Depth = 1/8)
  9. Qc1            ...           ;Score: -1.48  9...h6 10.Bf4 d5 11.e5 Ne4
                                   ;12.c3 Nc5 13.Be2 d3 (Time = 0:09, Depth
                                   ;= 1/9)
     ...            Nb4           ;Score: -1.25  10.Nxd4 c5 11.Nf3 h6
                                   ;12.Bf4 Nxd3+ 13.cxd3 Bb5 14.Qd1 Qb6
                                   ;(Time = 0:06, Depth = 1/9)
 10. Ke2            ...           ;Score: -1.92  10...Re8 11.Nbd2 d5 12.e5
                                   ;Bd6 13.Bxf6 gxf6 14.Nxd4 fxe5 (Time =
                                   ;0:06, Depth = 1/8)
     ...            Bg4           ;Score: -1.64  11.Nd2 d5 12.e5 Nd7 13.Kf1
                                   ;f6 14.exf6 Bxf6 15.Nxd4 Nxd3 16.cxd3
                                   ;Bxg5 17.hxg5 Qxg5 (Time = 0:06, Depth =
                                   ;1/8)
 11. Bxf6           ...           ;Score: -2.00  11...Bxf6 12.Kf1 Qd7
                                   ;13.Nbd2 Rae8 14.a3 Nc6 15.Bc4 Bxf3
                                   ;16.gxf3 (Time = 0:11, Depth = 1/9)
     ...            Bxf6          ;Score: -2.00  12.Kf1 Qd7 13.Nbd2 Rae8
                                   ;14.a3 Nc6 15.Bc4 Bxf3 16.gxf3 (Time =
                                   ;0:08, Depth = 1/8)
 12. Qd2            ...           ;Score: -2.20  12...c5 13.Kf1 Qb6 14.Na3
                                   ;d5 15.e5 Nxd3 16.cxd3 (Time = 0:04,
                                   ;Depth = 1/8)
     ...            c5            ;Score: -2.15  13.Kf1 d5 14.e5 Be7 15.Be2
                                   ;Qd7 16.Na3 a6 (Time = 0:05, Depth = 1/8)
 13. e5             ...           ;Score: -3.49  13...dxe5 14.Be4 Qb6
                                   ;15.Na3 Qa6+ 16.Bd3 Qc6 17.h5 Rae8 (Time
                                   ;= 0:05, Depth = 1/8)
     ...            dxe5          ;Score: -3.40  14.Kf1 Bxf3 15.gxf3 Nxd3
                                   ;16.Qxd3 Qb6 17.b3 Rad8 18.Nd2 (Time =
                                   ;0:06, Depth = 1/8)
 14. c3             ...           ;Score: -7.61  14...Nxd3 15.Kxd3 dxc3+
                                   ;16.Kxc3 e4+ 17.Kc2 exf3 18.g3 Bf5+
                                   ;19.Kc1 Qd4 20.Rd1 (Time = 0:05, Depth =
                                   ;1/9)
     ...            Nxd3          ;Score: -7.61  15.Kxd3 dxc3+ 16.Kxc3 e4+
                                   ;17.Kc2 exf3 18.g3 Bf5+ 19.Kc1 Qd4 20.Rd1
                                   ;(Time = 0:03, Depth = 1/8)
 15. Qxd3           ...           ;Score: -9.08  15...e4 16.Qxe4 Re8
                                   ;17.Qxe8+ Qxe8+ 18.Kd2 Qe4 19.Re1 Qf4+
                                   ;20.Kc2 Qf5+ 21.Kc1 Bxf3 22.gxf3 Bxh4
                                   ;(Time = 0:03, Depth = 1/9)
     ...            e4            ;Score: -9.32  16.Qxe4 Re8 17.Qxe8+ Qxe8+
                                   ;18.Kd2 Bxf3 19.gxf3 Qc6 20.cxd4 Qxf3
                                   ;21.Nc3 Qxf2+ 22.Ne2 Bxd4 (Time = 0:06,
                                   ;Depth = 1/9)
 16. Qxe4           ...           ;Score: -9.81  16...Re8 17.Qxe8+ Qxe8+
                                   ;18.Kd2 dxc3+ 19.Nxc3 Rd8+ 20.Kc1 Bxc3
                                   ;21.bxc3 Qe2 22.Re1 Qxf2 23.Re7 Qxg2
                                   ;(Time = 0:05, Depth = 1/9)
     ...            Re8           ;Score: -9.81  17.Qxe8+ Qxe8+ 18.Kd2
                                   ;dxc3+ 19.Nxc3 Rd8+ 20.Kc1 Bxc3 21.bxc3
                                   ;Qe2 22.Re1 Qxf2 23.Re7 Qxg2 (Time =
                                   ;0:02, Depth = 1/8)
 17. Qxe8+          ...           ;Score: -8.79  17...Qxe8+ 18.Kd2 Qe4
                                   ;19.cxd4 cxd4 (Time = 0:00, Depth = 1/2)
     ...            Qxe8+         ;Score: -10.45  18.Kd2 Qe4 19.Re1 Qf4+
                                   ;20.Kd1 Rd8 21.Kc2 d3+ 22.Kd1 Bxf3+
                                   ;23.gxf3 Qxf3+ 24.Kc1 Qxf2 (Time = 0:04,
                                   ;Depth = 1/9)
 18. Kd3            ...           ;MATE IN 8.  18...Bf5+ 19.Kd2 Qe4 20.Na3
                                   ;dxc3+ 21.bxc3 Bxc3+ 22.Kc1 Rd8 23.Rd1
                                   ;Bb2+ 24.Kxb2 Qb4+ 25.Kc1 Qxa3# (Time =
                                   ;0:02, Depth = 1/8)
     ...            Bf5+          ;Score: -9.19  19.Kd2 Qe4 20.cxd4 cxd4
                                   ;(Time = 0:00, Depth = 1/3)
 19. Kd2            ...           ;MATE IN 7.  19...Qe4 20.Na3 dxc3+
                                   ;21.bxc3 Bxc3+ 22.Kc1 Rd8 23.Rd1 Bb2+
                                   ;24.Kxb2 Qb4+ 25.Kc1 Qxa3# (Time = 0:00,
                                   ;Depth = 1/7)
     ...            Qe4           ;MATE IN 7.  20.Na3 dxc3+ 21.bxc3 Qd3+
                                   ;22.Kc1 Qxc3+ 23.Kd1 Rd8+ 24.Ke2 Qd3+
                                   ;25.Ke1 Re8+ 26.Ne5 Rxe5# (Time = 0:00,
                                   ;Depth = 1/5)
 20. cxd4           ...           ;MATE IN 5.  20...Qd3+ 21.Ke1 Re8+ 22.Ne5
                                   ;Bxe5 23.Nd2 Bxd4+ 24.Kd1 Qc2# (Time =
                                   ;0:00, Depth = 1/5)
     ...            c4            ;MATE IN 9.  21.Na3 c3+ 22.Kc1 cxb2+
                                   ;23.Kxb2 Bxd4+ 24.Nxd4 Qxd4+ 25.Kb3 a5
                                   ;26.Nc4 Qd3+ 27.Kb2 Qc2+ 28.Ka3 Qc3+
                                   ;29.Ka4 Qb4# (Time = 0:05, Depth = 1/7)
 21. Na3            ...           ;MATE IN 8.  21...c3+ 22.Kc1 cxb2+
                                   ;23.Kxb2 Qe2+ 24.Kb3 Be6+ 25.Nc4 Qxc4+
                                   ;26.Kb2 Rc8 27.Ka3 Be7+ 28.Kb2 Qc2# (Time
                                   ;= 0:00, Depth = 1/7)
     ...            Qd3+          ;Score: -7.69  22.Kc1 Qe2 23.Rd1 Qxf2
                                   ;(Time = 0:00, Depth = 1/4)
 22. Kc1            ...           ;Score: -20.27  22...c3 23.b4 Qe2 24.Re1
                                   ;Qb2+ 25.Kd1 c2+ 26.Ke2 c1=Q+ 27.Kf1
                                   ;Qcxa1 28.Rxa1 Qxa1+ 29.Ke2 Re8+ 30.Ne5
                                   ;Qxa2+ 31.Kf1 Qxa3 (Time = 0:05, Depth =
                                   ;1/9)
     ...            c3            ;Score: -20.27  23.b4 Qe2 24.Re1 Qb2+
                                   ;25.Kd1 c2+ 26.Ke2 c1=Q+ 27.Kf1 Qcxa1
                                   ;28.Rxa1 Qxa1+ 29.Ke2 Re8+ 30.Ne5 Qxa2+
                                   ;31.Kf1 Qxa3 (Time = 0:11, Depth = 1/8)
 23. b3             ...           ;MATE IN 4.  23...Be7 24.b4 Bxb4 25.Rb1
                                   ;Bxa3+ 26.Rb2 Bxb2# (Time = 0:00, Depth =
                                   ;1/5)
     ...            Qe2           ;Score: -21.80  24.Re1 Qb2+ 25.Kd1 Bxd4
                                   ;26.Rc1 Rd8 27.Nc2 Bxc2+ 28.Rxc2 Qb1+
                                   ;29.Ke2 Qxc2+ 30.Nd2 Qxd2+ 31.Kf3 Qxe1
                                   ;(Time = 0:01, Depth = 1/8)
 24. b4             ...           ;MATE IN 4.  24...Qb2+ 25.Kd1 Re8 26.Rb1
                                   ;c2+ 27.Nxc2 Qxc2# (Time = 0:00, Depth =
                                   ;1/3)
     ...            Qxf2          ;MATE IN 8.  25.Re1 Qb2+ 26.Kd1 c2+
                                   ;27.Ke2 c1=Q+ 28.Kf1 Bxd4 29.Nxd4 Qf4+
                                   ;30.Nf3 Qxf3+ 31.gxf3 Bh3+ 32.Kg1 Qg2#
                                   ;(Time = 0:00, Depth = 1/6)
 25. b5             ...           ;MATE IN 4.  25...Qb2+ 26.Kd1 Re8 27.Rb1
                                   ;c2+ 28.Nxc2 Qxc2# (Time = 0:00, Depth =
                                   ;1/3)
     ...            Qxg2          ;Score: -17.79  26.Rg1 Qb2+ 27.Kd1 Qxa1+
                                   ;28.Ke2 Qxa2+ 29.Ke3 Qxa3 (Time = 0:00,
                                   ;Depth = 1/3)
 26. Rg1            ...           ;MATE IN 5.  26...Qb2+ 27.Kd1 Re8
                                   ;28.Rxg7+ Bxg7 29.Rb1 c2+ 30.Nxc2 Qxc2#
                                   ;(Time = 0:00, Depth = 1/4)
     ...            Qxf3          ;MATE IN 3.  27.Nc2 Qf2 28.Rxg7+ Bxg7
                                   ;29.Kd1 Qd2# (Time = 0:00, Depth = 1/4)
 27. Nc2            ...           ;MATE IN 3.  27...Qf2 28.Rxg7+ Bxg7
                                   ;29.Rb1 Qxc2# (Time = 0:00, Depth = 1/4)
     ...            Qf2           ;MATE IN 2.  28.Rxg7+ Bxg7 29.a3 Qxc2#
                                   ;(Time = 0:00, Depth = 1/2)
 28. Rxg7+          ...           ;MATE IN 2.  28...Bxg7 29.a3 Qxc2# (Time
                                   ;= 0:00, Depth = 1/3)
     ...            Kxg7          ;MATE IN 1.  29.a3 Qxc2# (Time = 0:00,
                                   ;Depth = 1/2)
 29. a3             ...           ;MATE IN 1.  29...Qxc2# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            Bxc2          ;MATE IN 1.  30.a4 Qd2# (Time = 0:00,
                                   ;Depth = 1/2)
 30. a4             ...           ;MATE IN 1.  30...Qd2# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            a5            ;MATE IN 1.  31.bxa6ep Qd2# (Time = 0:00,
                                   ;Depth = 1/2)
 31. bxa6ep         ...           ;MATE IN 1.  31...Qd2# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            Rxa6          ;MATE IN 1.  32.a5 Qd2# (Time = 0:00,
                                   ;Depth = 1/2)
 32. a5             ...           ;MATE IN 1.  32...Qd2# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            Bd8           ;MATE IN 1.  33.d5 Qd2# (Time = 0:00,
                                   ;Depth = 1/2)
 33. d5             ...           ;MATE IN 1.  33...Qd2# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            Rxa5          ;MATE IN 1.  34.d6 Qd2# (Time = 0:00,
                                   ;Depth = 1/2)
 34. d6             ...           ;MATE IN 1.  34...Rxa1# (Time = 0:00,
                                   ;Depth = 1/1)
     ...            Rxa1#        
 0-1



[Event ""]
[Site ""]
[Date "3-1-2014"]
[Round ""]
[White "Berry"]
[Black "Ricardo"]
[Result "0-1"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 7 seconds
;per move.
;
;        White    Black
;Book Move    3    3
;Leave Book    1    0
;CMX Agrees    22    28
;CMX Disagrees    9    3
;Agreement Pct.    71%    90%
;Total Error    5.68    0.00
;Relevant Error    4.21    0.00
;Missed Mate    0    3
;Moved Into Mate    3    0
;
;

  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. Nf3            ...           ;C40 King's Knight Opening. With the
                                   ;possible exception of :2. f4, this is
                                   ;the most logical second move against
                                   ;Black's symmetrical answer to the King's
                                   ;Pawn. The Knight attacks e5, clears the
                                   ;way for an eventual castle and rests on
                                   ;its best defensive square.
     ...            d6            ;C41 Philidor's Defense. The Philidor
                                   ;Defense concedes a cramped King's
                                   ;Bishop, but is otherwise resilient on
                                   ;the Queenside.
  3. d4             ...           ;C41 Philidor's Defense.
     ...            Nf6           ;C41 Philidor's Defense / Nimzowitsch
                                   ;(Jaenisch) Variation.
  4. h4             ...           ;Out of Opening Book. Nc3 would have been
                                   ;in the Philidor's Defense / Nimzowitsch
                                   ;(Jaenisch) Variation book opening.
                                   ;Slightly better is Nc3.
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     ...            Nc6          
  5. Bg5            ...           ;Pins Black's knight at f6.
     ...            exd4          ; Black wins a pawn. Black is ahead by a
                                   ;pawn in material.
  6. Bb5            ...           ;Pins Black's knight at c6 and clears the
                                   ;way for a kingside castle.
     ...            Bd7           ;Releases the pin on Black's knight at
                                   ;c6.
  7. Bd3            ...           ;Removes the threat on White's pawn at e4
                                   ;and blocks Black's pawn at d4.
     ...            Be7           ;Releases Black's knight at f6 from the
                                   ;pin and makes way for a castle to the
                                   ;kingside.
  8. Qd2            ...           ;Slightly better is c3.
     ...            O-O          
  9. Qc1            Nb4          
 10. Ke2            ...           ;Slightly better is Nxd4.
     ...            Bg4           ;Pins White's knight at f3 and removes
                                   ;the threat on Black's pawn at d4.
 11. Bxf6           ...           ;Attacks Black's pawn at d4 and blocks
                                   ;Black's pawn at f7.
     ...            Bxf6          ;Protects Black's pawn at d4. Black wins
                                   ;a bishop for a knight.
 12. Qd2            ...           ;Attacks Black's knight.
     ...            c5            ;Protects Black's knight.
 13. e5             ...           ;Slightly better is Kf1.
     ...            dxe5          ;Protects Black's bishop at f6.
 14. c3             ...           ;Leads to 14...Nxd3 15.Kxd3 dxc3+ 16.Kxc3
                                   ;e4+ 17.Kc2 exf3 18.g3 Bf5+ 19.Kc1 Qd4
                                   ;20.Rd1, which wins a knight and a pawn
                                   ;for a bishop, a knight, and a pawn.
                                   ;Better is Kf1, leading to 14...Bxf3
                                   ;15.gxf3 Nxd3 16.Qxd3 Qb6 17.b3 Rad8
                                   ;18.Nd2, which wins a bishop and a knight
                                   ;for a bishop and a knight. This was
                                   ;white's only meaningful blunder, but it
                                   ;cost the game. White was not able to
                                   ;recover and was eventually mated.
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     ...            Nxd3         
 15. Qxd3           ...           ;Leads to 15...e4 16.Qxe4 Re8 17.Qxe8+
                                   ;Qxe8+ 18.Kd2 Qe4 19.Re1 Qf4+ 20.Kc2 Qf5+
                                   ;21.Kc1 Bxf3 22.gxf3 Bxh4, which wins a
                                   ;rook, a bishop, a knight, and a pawn for
                                   ;a queen, a knight, and a pawn. Better is
                                   ;Kxd3, leading to 15...dxc3+ 16.Kxc3 e4+
                                   ;17.Kc2 exf3 18.g3 Bf5+ 19.Kc1 Qd4
                                   ;20.Rd1, which wins a knight and a pawn
                                   ;for a knight and a pawn.
     ...            e4            ;Forks White's queen and White's knight
                                   ;at f3.
 16. Qxe4           ...           ;Removes the threat on White's knight at
                                   ;f3 and forks Black's bishop at g4 and
                                   ;Black's pawn at b7.
     ...            Re8           ;Partially pins White's queen, protects
                                   ;Black's pawn at b7 and Black's bishop at
                                   ;g4, and attacks White's queen.
 17. Qxe8+          ...           ;Skewers Black's queen and checks Black's
                                   ;king.
     ...            Qxe8+         ;Forced. Removes the threat on Black's
                                   ;king and counter-checks White's king.
                                   ;Black wins a queen, a bishop, and a pawn
                                   ;for a rook, a knight, and a pawn.
 18. Kd3            ...           ;White moves into a forced mate. Much
                                   ;better is Kd2. Kd3 leads to 18...Bf5+
                                   ;19.Kd2 Qe4 20.Na3 dxc3+ 21.bxc3 Bxc3+
                                   ;22.Kc1 Rd8 23.Rd1 Bb2+ 24.Kxb2 Qb4+
                                   ;25.Kc1 Qxa3# and checkmate.
     ...            Bf5+          ;Black senses a mate in 7. Checks White's
                                   ;king. Leads to 19.Kd2 Qe4 20.Na3 dxc3+
                                   ;21.bxc3 Bxc3+ 22.Kc1 Rd8 23.Rd1 Bb2+
                                   ;24.Kxb2 Qb4+ 25.Kc1 Qxa3# and mate.
 19. Kd2            ...           ;Moves it out of check.
     ...            Qe4           ;Black has a mate in 6.  Leads to 20.Na3
                                   ;dxc3+ 21.bxc3 Bxc3+ 22.Kc1 Rd8 23.Rd1
                                   ;Bb2+ 24.Kxb2 Qb4+ 25.Kc1 Qxa3# and mate.
 20. cxd4           ...           ;Threatens Black's pawn at c5. White wins
                                   ;a pawn.
     ...            c4            ;Black has a mate in 9. Moves it to
                                   ;safety. Leads to 21.Na3 c3+ 22.Kc1 cxb2+
                                   ;23.Kxb2 Bxd4+ 24.Nxd4 Qxd4+ 25.Kb3 a5
                                   ;26.Nc4 Qd3+ 27.Kb2 Qc2+ 28.Ka3 Qc3+
                                   ;29.Ka4 Qb4# and mate.
 21. Na3            ...           ;Attacks Black's pawn at c4.
     ...            Qd3+          ;Black doesn't see the win. Much better
                                   ;is c3+, leading to 22.Kc1 cxb2+ 23.Kxb2
                                   ;Qe2+ 24.Kb3 Be6+ 25.Nc4 Qxc4+ 26.Kb2 Rc8
                                   ;27.Ka3 Be7+ 28.Kb2 Qc2# and checkmate.
 22. Kc1            ...           ;Moves it out of check.
     ...            c3           
 23. b3             ...           ;White moves into a forced mate. Much
                                   ;better is b4. b3 leads to 23...Be7 24.b4
                                   ;Bxb4 25.Rb1 Bxa3+ 26.Rb2 Bxb2# and mate.
     ...            Qe2           ;Black misses the chance for a forced
                                   ;mate. Much better is Be7, leading to
                                   ;24.b4 Bxb4 25.Rb1 Bxa3+ 26.Rb2 Bxb2# and
                                   ;mate.
 24. b4             ...           ;White gives Black a forced mate
                                   ;opportunity. Much better is Re1. b4
                                   ;leads to 24...Qb2+ 25.Kd1 Re8 26.Rb1 c2+
                                   ;27.Nxc2 Qxc2# and mate.
     ...            Qxf2          ;Black has a mate in 8. Threatens White's
                                   ;pawn at g2. Leads to 25.Re1 Qb2+ 26.Kd1
                                   ;c2+ 27.Ke2 c1=Q+ 28.Kf1 Bxd4 29.Nxd4
                                   ;Qf4+ 30.Nf3 Qxf3+ 31.gxf3 Bh3+ 32.Kg1
                                   ;Qg2# and mate.
 25. b5             Qxg2          ;Black's asleep at the switch and doesn't
                                   ;see the forced mate. Much better is
                                   ;Qb2+, leading to 26.Kd1 Re8 27.Rb1 c2+
                                   ;28.Nxc2 Qxc2# and mate.
 26. Rg1            ...           ;Moves it out of immediate jeopardy and
                                   ;attacks Black's queen.
     ...            Qxf3          ;Black has a mate in 3. Forks White's
                                   ;pawn at h4 and White's pawn at d4. Leads
                                   ;to 27.Nc2 Qf2 28.Rxg7+ Bxg7 29.Kd1 Qd2#
                                   ;and checkmate.
 27. Nc2            ...           ;Removes the threat on White's pawn at d4
                                   ;and blocks Black's pawn at c3.
     ...            Qf2           ;Black has a mate in 2. Threatens
                                   ;checkmate (queen takes knight) and
                                   ;threatens White's rook at g1. Leads to
                                   ;28.Rxg7+ Bxg7 29.Rb1 Qxc2# and mate.
 28. Rxg7+          ...           ;Removes the threat on White's pawn at
                                   ;h4, checks Black's king, and isolates
                                   ;Black's pawn at f7 and Black's pawn at
                                   ;h7.
     ...            Kxg7          ;Black will mate next turn. Threatens
                                   ;mate (queen captures knight) and attacks
                                   ;White's pawn at h4 with two pieces.
                                   ;Leads to 29.a3 Qxc2# and checkmate.
 29. a3             Bxc2          ;Threatens mate (queen to d2) and
                                   ;threatens White's pawn at d4 with a
                                   ;double-attack.Black misses the mating
                                   ;move. Better is Qxc2#, which checkmates
                                   ;White's king.
 30. a4             a5            ;Threatens mate (queen to d2).Black
                                   ;misses the mating move. Better is Qd2#,
                                   ;which checkmates White's king.
 31. bxa6ep         ...           ;Attacks Black's pawn at b7.
     ...            Rxa6          ;Threatens checkmate (queen to d2) and
                                   ;removes the threat on Black's pawn at
                                   ;b7.Black misses the mating move. Better
                                   ;is Qd2#, which checkmates White's king.
 32. a5             Bd8           ;Threatens to mate (queen to d2).Black
                                   ;doesn't see the win. Better is Qd2#,
                                   ;which checkmates White's king.
 33. d5             ...           ;Moves it to safety and advances the
                                   ;passed pawn.
     ...            Rxa5          ;Threatens checkmate (queen to d2), forks
                                   ;White's pawn at d5 and White's rook, and
                                   ;creates a passed pawn on b7.Black
                                   ;doesn't see the win. Better is Qd2#,
                                   ;which checkmates White's king.
 34. d6             ...           ;Moves it to safety and advances the
                                   ;passed pawn.
     ...            Rxa1#         ;Checkmates White's king.
                                   ;¹
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                                   ;ÿ
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                                   ;ÿ
                                   ;ƒ
                                   ;ž¯
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