[Event "Casual"]
[Site "Paris"]
[Date "1858.??.??"]
[Round "?"]
[White "Morphy, Paul"]
[Black "The Duke of Brunswick and the "]
[Result "1-0"]
[ECO "C41"]
[PlyCount "33"]
[EventDate "1858.??.??"]

1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Nf6 7. Qb3 Qe7 8.
Nc3 c6 9. Bg5 b5 10. Nxb5 cxb5 11. Bxb5+ Nbd7 12. O-O-O Rd8 13. Rxd7 Rxd7 14.
Rd1 Qe6 15. Bxd7+ Nxd7 {What's the correct move here?} 16. Qb8+ $3 Nxb8 17. Rd8# 1-0

[Event "Paris"]
[Site "Paris"]
[Date "1864.??.??"]
[Round "?"]
[White "Maczuski"]
[Black "Kolisch, Ignatz"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "31"]
[EventDate "1864.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Qd3 Nf6 7. Nxc6 dxc6
8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Qd4 Qe7 11. O-O-O Qg5+ 12. f4 Qxf4+ 13. Bd2 Qg4 $4
{What's the correct move here?} (13... Qh4 14. Re1 $18) 14. Qd8+ $3 Kxd8 15. Bg5+ Ke8 16. Rd8# 1-0

[Event "Vienna"]
[Site "Vienna"]
[Date "1910.??.??"]
[Round "?"]
[White "Reti, Richard"]
[Black "Tartakower, Saviely"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "21"]
[EventDate "1910.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qd3 e5 6. dxe5 Qa5+ 7. Bd2 Qxe5 8.
O-O-O Nxe4 $4 {What's the correct move here?} 9. Qd8+ $3 Kxd8 10. Bg5+ Ke8 (10... Kc7 11. Bd8#) 11.
Rd8# 1-0

[Event "Liverpool"]
[Site "Liverpool"]
[Date "1897.??.??"]
[Round "?"]
[White "Sherard & Wilmot"]
[Black "Burn"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "35"]
[EventDate "1897.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Bd3 Be7 7. Nxf6+ Nxf6
8. Nf3 c5 9. dxc5 Bxc5 10. Qd2 Qb6 11. O-O-O Bxf2 12. Rhf1 Bc5 13. Ne5 Be7 14.
g4 h6 15. Bh4 Nxg4 $2 {What's the correct move here?} 16. Bb5+ $1 Qxb5 $2 (16... Kf8 $8 17. Ng6+
Kg8 18. Nxe7+ Kh7 19. Rxf7 Qxb5 20. Qd4 Qe5 21. Qxg4 $18) 17. Qd8+ Bxd8 18.
Rxd8# 1-0

[Event "Vilnius"]
[Site "Vilnius"]
[Date "1912.??.??"]
[Round "?"]
[White "Nimzowitsch, Aaron"]
[Black "Alapin, Simon"]
[Result "1-0"]
[ECO "B29"]
[PlyCount "35"]
[EventDate "1912.??.??"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. d4 e6 6. Nxd5 Qxd5 7. Be3 cxd4 8.
Nxd4 a6 9. Be2 Qxg2 10. Bf3 Qg6 11. Qd2 e5 12. O-O-O exd4 13. Bxd4 Nc6 $2 {
Here come's the mating pattern} (13... Be7 14. Rhe1 $40) 14. Bf6 $3 Qxf6 15. Rhe1+ (15. Bxc6+ $1
bxc6 16. Rhe1+ Be7 17. Qd8#) 15... Be7 16. Bxc6+ Kf8 {What's the correct move here?} (16... Bd7 17.
Qxd7+ Kf8 18. Qd8+ $3 Rxd8 19. Rxd8+ Bxd8 20. Re8#) 17. Qd8+ Bxd8 18. Re8# 1-0

[Event "Austria"]
[Site "Austria"]
[Date "1913.??.??"]
[Round "?"]
[White "Onderka"]
[Black "NN"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "33"]
[EventDate "1913.??.??"]

1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. Bc4 Bg4 5. f3 exf3 6. Nxf3 e6 7. Bg5 c5 8.
O-O Bxf3 9. Qxf3 Qxd4+ 10. Kh1 Nc6 11. Rad1 Qxc4 12. Bxf6 e5 13. Bg5 Qe6 $2 (
13... f6 $8 14. Bxf6 $1 $40) 14. Nb5 $1 Rc8 {What's the correct move here?} (14... Bd6 15. Rxd6 $18
) 15. Nc7+ $3 Rxc7 16. Qxc6+ $3 Rxc6 (16... Qd7 17. Rxd7 Rxd7 18. Qc8+ Rd8 19.
Qxd8#) (16... bxc6 17. Rd8#) (16... Qxc6 17. Rd8#) 17. Rd8# 1-0

[Event "London"]
[Site "London"]
[Date "1846.??.??"]
[Round "?"]
[White "Schulten, John"]
[Black "Horwitz, Bernhard"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "34"]
[EventDate "1846.??.??"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 b5 4. Bxb5 Bc5 5. d3 c6 6. Bc4 Qb6 7. Qe2 d5 8. exd5
O-O 9. Ne4 Nxe4 10. dxe4 Bxf2+ 11. Qxf2 Qb4+ 12. Bd2 Qxc4 13. Qf3 f5 14. exf5
Bxf5 15. Qb3 {What's the correct move here?} Qf1+ $3 16. Kxf1 Bd3+ 17. Ke1 Rf1# 0-1

[Event "Vienna"]
[Site "Vienna"]
[Date "1903.??.??"]
[Round "?"]
[White "Kaldegg"]
[Black "Zeissel"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "33"]
[EventDate "1903.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. Qb3 Qf6 8. e5
Nxe5 9. Nxe5 Qxe5+ 10. Kd1 Qh5+ 11. Be2 Qg6 12. Re1 Kd8 13. Ba3 d6 14. Qb5 Qf5
$4 {What's the correct move here?} (14... Bf5 $17) 15. Qe8+ Kxe8 16. Bb5+ Kf8 (16... Kd8 17. Re8#)
17. Re8# 1-0

[Event "Monaco"]
[Site "Monaco"]
[Date "1904.??.??"]
[Round "?"]
[White "Marshall, Frank J"]
[Black "Von Scheve, Theodore"]
[Result "1-0"]
[ECO "C39"]
[PlyCount "61"]
[EventDate "1904.??.??"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O
Bxe5 9. Re1 Qe7 10. c3 f3 11. d4 Ne4 12. Rxe4 Bh2+ 13. Kxh2 Qxe4 14. g3 O-O 15.
Bd3 Qxd5 16. c4 Qh5 17. Nc3 c6 18. Ne4 f5 19. Nd6 f4 20. Qe1 fxg3+ 21. Qxg3 Nd7
22. Bg5 f2 23. Bf5 Nb6 24. Nxc8 Raxc8 25. Be6+ Rf7 26. Rf1 Re8 27. Bxf7+ Qxf7
28. Qxg4 Qg6 29. Rxf2 Nxc4 30. h5 $1 $18 Re4 $2 {What's the correct move here?} 31. Bh6 $3 {
and Black can only avoid 32.Rf8# by surrendering tremendous material -- after
which he is still mated quickly.} 1-0

[Event "Carlsbad"]
[Site "Carlsbad"]
[Date "1907.??.??"]
[Round "?"]
[White "Duras, Oldrich"]
[Black "Olland, Adolf"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "57"]
[EventDate "1907.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4
Kf8 9. Bc1 c5 10. Bd3 Qa5 11. Ne2 cxd4 12. O-O dxc3 13. Bxe4 dxe4 14. Qxe4 Nc6
15. Rd1 g6 16. Bf4 Ne7 17. Rd6 Nd5 18. Be3 Kg7 19. Qh4 Qc7 20. Rd1 b6 21. R1xd5
exd5 22. Qf6+ Kh7 23. Bxh6 Rg8 24. Qh4 Bg4 {What's the correct move here?} 25. Nf4 $2 ({
White missed mate in 3:} 25. Bf8+ Bh5 $8 26. Qxh5+ $3 gxh5 27. Rh6#) 25... Rh8
26. Nxd5 Qxd6 27. exd6 Bh5 28. Be3 Rad8 29. Qg5 $18 1-0

[Event "Moscow"]
[Site "Moscow"]
[Date "1952.??.??"]
[Round "?"]
[White "Gusev, Yuri"]
[Black "Antoshin, Vladimir"]
[Result "0-1"]
[ECO "E10"]
[PlyCount "58"]
[EventDate "1952.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Nc3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O
a6 9. Qe2 b5 10. Bb3 Bb7 11. Rd1 Qc7 12. Bc2 Nc6 13. a4 b4 14. Ne4 Nxe4 15.
Bxe4 Na5 16. Bd3 Nb3 17. Rb1 cxd4 18. exd4 Rac8 19. Be3 Qc6 20. d5 exd5 21.
Bxh7+ Kxh7 22. Qd3+ Qg6 23. Qxb3 d4 24. Bxd4 Rc3 25. bxc3 Bxf3 26. g3 Rh8 27.
Re1 Qh5 28. Qc2+ $2 (28. h4 Bxh4 $40) 28... Kg8 29. h4 {What's the correct move here?} Qxh4 $3 {
and mate at h1 cannot be avoided: 30.gxh4 Rxh4 etc.} 0-1

[Event "Warsaw"]
[Site "Warsaw"]
[Date "1917.??.??"]
[Round "?"]
[White "Belitzmann"]
[Black "Rubinstein, Akiba"]
[Result "0-1"]
[ECO "C48"]
[PlyCount "36"]
[EventDate "1917.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Bc4 Bc5 6. Nxe5 Qe7 7. Nd3 d5 8.
Nxd5 Qxe4+ 9. Ne3 Bd6 10. O-O b5 11. Bb3 Bb7 12. Ne1 Qh4 13. g3 Qh3 14. c3 h5
15. cxd4 h4 16. Qe2 $2 {What's the correct move here?} (16. Nf3 $8 hxg3 17. fxg3 Bxg3 $40) 16...
Qxh2+ $3 17. Kxh2 hxg3+ 18. Kg1 Rh1# 0-1

[Event "Rotterdam"]
[Site "Rotterdam"]
[Date "1923.??.??"]
[Round "?"]
[White "Euwe, Max"]
[Black "Loman, Rudolf"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "35"]
[EventDate "1923.??.??"]

1. Nf3 d5 2. c4 d4 3. b4 g6 4. Bb2 Bg7 5. Na3 e5 6. Nc2 Bg4 7. e3 Ne7 8. exd4
exd4 9. h3 Bxf3 10. Qxf3 c6 11. h4 O-O 12. h5 Re8 13. O-O-O a5 14. hxg6 hxg6
15. Qh3 axb4 16. Nxd4 Bxd4 $2 {What's the correct move here?} (16... Kf8 $8) 17. Qh8+ $1 Bxh8 18.
Rxh8# 1-0

[Event "Moscow"]
[Site "Moscow"]
[Date "1953.??.??"]
[Round "?"]
[White "Bonch"]
[Black "Osmolovsky, Mikhail"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "41"]
[EventDate "1953.??.??"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bd3 Qe7+ 8.
Be3 Nf5 9. Bxf5 Bxf5 10. Nc3 Qb4 11. Qe5+ Be6 12. O-O-O Nc6 13. Qxc7 Rc8 14.
Qf4 Qa5 15. Qg5 Qa6 16. Rhe1 Nb4 17. Nd4 Rxc3 $2 {What's the correct move here?} 18. Qd8+ $3 Kxd8
19. Nxe6+ Ke7 (19... Ke8 20. Nxg7+ Bxg7 21. Bg5+ Kf8 22. Rd8#) (19... Kc8 20.
Rd8#) 20. Bg5+ f6 21. Nd8+ {
and it is mate after 21...Re3 22.Rxe3+ Qe6 23.Rxe6#.} 1-0

[Event "Zagreb"]
[Site "Zagreb"]
[Date "1920.??.??"]
[Round "?"]
[White "Vukovic, Vladimir"]
[Black "Deutsch, Ludwig"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "35"]
[EventDate "1920.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. e5 Ne4 6. Bf4 f5 7. Bxc6 dxc6 8.
Qxd4 Qd5 9. Nc3 Qa5 10. Rd1 Be7 11. Bd2 Qb6 12. Ne2 Bc5 $4 {What's the correct move here?} 13. Qd8+
$3 Kxd8 14. Bg5+ Ke8 15. Rd8+ Kf7 16. e6+ $1 Kxe6 (16... Bxe6 17. Ne5#) (16...
Kg6 17. Nf4#) 17. Nf4+ Kf7 18. Ne5# 1-0