Sometimes they get away.
Find the mates Grandmasters missed.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.

a)
White Mates in 2. Winter vs Jacob Gemzoe, Folkestone, 1933
r3q3/ppp3k1/3p3R/5b2/2PR3Q/2P1PrP1/P7/4K3 w - - 0 1
[ Qf6+ ]

b)
Black Mates in 2. Leonid Stoliarov vs Eduard Gufeld, Kiev, 1958
4rrk1/1bB4p/p7/1pbP1pp1/4n2q/NBP2Q1P/PP4P1/3RRK2 b - - 0 1
[ ...Nd2+ ]

c)
White Mates in 2. Smagin vs Viktor Kupreichik, Minsk, 1985
[ Qh8+ ]

d)
Black Mates in 3. Max Walter vs Lasker, Ostrava, 1923
4r1k1/3n1ppp/4r3/3n3q/Q2P4/5P2/PP2BP1P/R1B1R1K1 b - - 0 1
[ ...Rg6+ ]

e)
White Mates in 3. Andras Adorjan vs Predrag Ostojic, Olot, 1974
3qr3/pp1b1p1Q/3pp1p1/4k3/2rN2P1/2N5/PPP5/2K2R2 w - - 0 1
[ Qh2+ Kxd4 Qxd6+ ]

New Title from wtharvey.com


2,817 Checkmates !

Missed Mate Puzzles, Part II. White mates except where noted.
a)
White Mates in 3. Nunn vs Miroslaw Sarwinski, Naleczow, 1987
4r2k/4R1pp/7N/p6n/qp6/6QP/5PPK/8 w - - 0 1
[ Qb3 ]

b)
White Mates in 3. Karpov vs Jaan Ehlvest, Reykjavik, 1991
[ Nh6+ ]

c)
White Mates in 3. Cheparinov vs Branko Macanga, Vukovar, 2001
2b1r2r/2q1p1kn/pN1pPp2/P2P1RpQ/3p4/3B4/1P4PP/R6K w - - 0 1
[ Qf7+ w/Rxf6+ ]

d)
Black Mates in 3. Nico Vink vs Radjabov, Wijk aan Zee, 2001
8/5p1k/3p2q1/3Pp3/4Pn1r/R4Qb1/1P5B/5B1K b - - 0 1
[ ...Rxh2+ Kg1 Bf2+ ]

e)
White Mates in 3. Movsesian vs Anton Korobov, Moscow, 2004
8/4R3/2np1Qp1/1pqk2P1/p5r1/P2B4/1PP5/1K6 w - - 0 1
[ Qe6+ ]

Missed Mate Puzzles, Part III. White mates except where noted.
a)
Black Mates in 4. A Meek vs Morphy, New Orleans, 1855
[ ...Bxg2 Qh8+ Kxh8 Bg5 Qxg5 b3 Nf3# ]

b)
White Mates in 4. Judd vs DM Martinez, New York, 1889
[ Nf5 w/Rg4 ]

c)
White Mates in 4. Stahlberg vs Moishe Lowcki, Jurata, 1937
8/Q7/5pkp/2n1q3/8/1B5P/5PP1/6K1 w - - 0 1
[ Qf7+ if Kf5 Qh5+ or if Kg5 Qg8+ ]

d)
White Mates in 4. Smyslov vs Mario Bertok, Zagreb, 1955
r7/1p3Q2/2kpr2p/p1p2Rp1/P3Pp2/1P3P2/1B2q1PP/3R3K w - - 0 1
[ Rxc5+ Kb6 Qc7+ Ka7 Rxa5+ Qa6 Bd4# ]

e)
White Mates in 4. Nikolic vs Stefan Djuric, Yugoslavia, 1983
1q1N4/3k1BQp/5r2/5p2/3P3P/8/3B1PPb/3n3K w - - 0 1
[ Be6+ Ke8 Qd7+ Kf8 Bh6+ ]

Missed Mate Puzzles, Part IV. White mates except where noted.
a)
White Mates in 4. Jaan Ehlvest vs Rafael Vaganian, Skelleftea, 1989
6bk/1p2R1Rp/r1q5/p2p1p2/2pP4/2P2Q2/2PK3P/8 w - - 0 1
[ Rxg8+ w/Qg3+ ]

b)
Black Mates in 4. D Hillel vs Adolf Anderssen, Breslau, 1856
Q7/p1p1q1pk/3p3p/4n3/3bP3/7K/PP3Pr1/R1B2R2 b - - 0 1
[ ...Nb6+ if Kc3 Na4+ Kb3 b5 ]

c)
Black Mates in 4. Susan Polgar vs Seirawan, Monte Carlo, 1993
7r/pRpk4/2np2p1/5b2/2P4q/2b1BBN1/P4PP1/3Q1K2 b - - 0 1
[ ...Bd3+ if Qxd3 or Be2 Qh1+ ]

d)
Black Mates in 4. Vladimir Kramnik vs Kasparov, Moscow, 2001
8/5p1k/4r1p1/2PP1p2/1Q6/1p3bbP/1B2pqP1/R5RK b - - 0 1
[ ...Bxg2+ Rxd2 Qf1+ ]

e)
Black Mates in 4. Jakub Zeberski vs Wojtaszek, Poraj, 2003
k2r4/pp3p2/2p5/Q3p2p/4Kp1P/5R2/PP4q1/7R b - - 0 1
[ ...Rd4+ Kxe5 Qg7+ ]

Missed Mate Puzzles, Part V. White mates except where noted.
a)
White Mates in 5. Wagner vs Ehrhardt Post, Frankfurt, 1923
q2nkr2/2R4p/1p1rpp1Q/4p3/4P2N/1P4RP/5PPK/8 w - - 0 1
[ Qxh7 Nf7 Rg8 Rd7 Rxf8+ ]

b)
White Mates in 5. Sarapu vs Lhamsuren Myagmarsuren, Sousse, 1967
3nr1k1/pp4Bp/4N3/2bQ4/6P1/2PK4/PP5q/5R2 w - - 0 1
[ Nxd8+ Re6 Qxe6+ Kxg7 Qf6+ Kg8 Qg5+ ]

c)
White Mates in 5. Panno vs Alexandru Segal, Sao Paulo, 1973
2r1nk2/1b1r1p1Q/p1p1p1p1/2P1B3/1q1P2P1/3B1R2/5P1P/4R1K1 w - - 0 1
[ Qh8+ Ke7 Bf6+ Nxf6 Rxe6+ ]

d)
White Mates in 5. Short vs Leonid Yudasin, Yerevan, 1996
2Rrk1r1/1p4p1/3PPn2/p4Q1q/8/8/P4P1P/2R3K1 w - - 0 1
[ Qxh5+ if Nxh5 R1c7 ]

e)
White Mates in 5. Skripchenko vs Claudia Amura, Shenyang, 2000
6k1/3R2pp/2p1bp2/p1q1pN2/4P3/Pr6/5PPP/2Q3K1 w - - 0 1
[ Rxg7+ Kh8 Rxh7+ Kg8 Rg7+ ]

Missed Mate Puzzles, Part VI. White mates except where noted.
a)
White Mates in 5. Short vs Utut Adianto, Internet, 2000
1r5r/5R1p/2Q1ppkq/8/2B5/7P/P1P2PP1/6K1 w - - 0 1
[ Qe4+ if Kxf7 Qxe6+ ]

b)
White Mates in 5. Julia Galianina-Ryjanova vs Maria Manakova, Elista, 1997
r3r2k/1b1Rb1pp/pq2B1R1/1p2p2Q/4P3/2N5/PPP2P1P/2K5 w - - 0 1
[ Rxg7 if Kxg7 Qg5+ ]

c)
White Mates in 5. Jaan Ehlvest vs Lewis Eisen, New York, 2003
2nk1r1r/2R5/pp1p1p2/3Np1qp/P7/1Q6/1PP3PP/5RK1 w - - 0 1
[ Rxc8+ Kxc8 Qc4+ Kd7 Nxb6+ ]

d)
White Mates in 5. Vladimir Baklan vs Andrei Belozerov, Sochi, 2006
4kr2/3r2bp/2QPp3/1p2q3/8/2P3P1/PP5P/1K1R1R2 w - - 0 1
[ Qa8+ Rd8 d7+ Ke7 Qa3+ ]

e)
Black Mates in 5. Adolf Anderssen vs Johannes Zukertort, Breslau, 1868
3q2k1/p5pp/2p5/5pR1/3P1P1K/2Q4P/P1P1r1r1/1RB5 b - - 0 1
[ ...Qxg5+ fxg5 Re4+ ]

Missed Mate Puzzles, Part VII. White mates except where noted.
a)
White Mates in 6. Lajos Portisch vs Svend Hamann, Buenos Aires, 1978
1Q5R/2r2p2/2r2k1p/2p2Np1/1p4P1/1P3P2/3n1qPK/2R5 w - - 0 1
[ Qd8+ Ke5 Re8+ ]

b)
White Mates in 6. Michael Adams vs D Sedgwick, London, 1984
7k/p1r2b2/4pq2/1p1p1nR1/5P2/P2B4/1P2Q2P/1K4R1 w - - 0 1
[ Rh5+ if Bxh5 Qxh5+ Qh6 Qe8+ or if Nh6 Rxh6+ w/Qe5+ ]

c)
White Mates in 6. Monica Socko vs Olga Sikorova, Calvia, 2004
6k1/2p2p2/1p6/p1qB1Np1/5b2/P1PQR1PP/1P4K1/r7 w - - 0 1
[ Bxf7+ Kxf7 Qd7+ Qe7 Rxe7+ ]

d)
White Mates in 7. Wolfgang Unzicker vs Mikhail Botvinnik, Oberhausen, 1961
7r/3rkp2/1R5p/p3Pp2/P1pP1q2/2P5/2P3QP/1R5K w - - 0 1
[ Re6+ if fxe6 Qg7+ Kd8 Qxh8+ or if Kxe6 Qc6+ Ke7 Qf6+ ]

e)
White Mates in 7. Viktor Kupreichik vs Gennadi Timoschenko, USSR, 1968
[ Qxa5 ]

Missed Mate Puzzles, Part IX. White mates except where noted.
a)
White Mates in 7. Anatoli Karpov vs Miguel Quinteros, Buenos Aires, 1980
[ Bxe6+ if Kxe6 Qxg6+ or if Kf8 Rxh8+ ]

b)
White Mates in 5. Kaidanov vs Peter Bereolos, Saint Paul, 2000
r1b5/p3N1kr/3p4/q1pPbpB1/7Q/7P/P1P2PP1/1R2R1K1 w - - 0 1
[ Bf6+ if Bxf6 Qg3+ or if Kf7 Qxh7+ ]
edited by François Elie. Thx!

c)
White Mates in 7. Valentina Golubenko vs Olga Girya, Peniscola, 2002
1n2RNk1/3p4/2p4p/r2P2p1/8/p4R2/5PPP/q4BK1 w - g6 0 1
[ Ne6+ Kh7 Re7+ Kg6 Nf8+ Kh5 Rh3+ Kg4 Rf7 ]

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