MESON Chess Problem Database
Problem Display
PID: 2913 (5B2/8/K1P2N2/1P2ppp1/5k2/p2pN2R/q7/nb6 w - - 0 1)
Williams, Philip Hamilton
Chess Amateur (The), 1908
#2
7 + 9
| 16 | Chess Amateur (The) | 1910 |
| 2638 | White to Play | 1913 |
| 2681 | All Change Here! | 1919 |
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1950 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qf2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...e4
- 2.Bd6#
- 1...g4
- 2.Bh6#
- 1...Qb3
- Tries
- 1.Kb6?
- 1...e4
- 2.Bd6#
- 1...g4
- 2.Bh6#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...Qf2!
- 1...e4
- 1.Kb7?
- 1...e4
- 2.Bd6#
- 1...g4
- 2.Bh6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...Qf7+!
- 1...e4
- 1.Bb4?
- 1...e4
- 2.Bd6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...g4!
- 1...e4
- 1.Bc5?
- 1...e4
- 2.Bd6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...g4!
- 1...e4
- 1.Bd6?
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...g4!
- 1...Qf2
- 1.Bh6?
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...e4!
- 1...Qf2
- 1.Be7?
- 1...e4
- 2.Bd6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...g4!
- 1...e4
- 1.b6?
- 1...e4
- 2.Bd6#
- 1...g4
- 2.Bh6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...Qc4+!
- 1...e4
- 1.c7?
- 1...e4
- 2.Bd6#
- 1...g4
- 2.Bh6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...Qe6+!
- 1...e4
- 1.Kb6?
- Keys
- 1.Bg7!
- 1...e4
- 2.Sh5#
- 1...g4
- 2.Bh6#
- 1...Qf2
- 2.Sed5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sexd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qb2
- 2.Sed5#
- 1...Qc2
- 2.Sed5#
- 1...Qd2
- 2.Sed5#
- 1...Qe2
- 2.Sed5#
- 1...Qg2
- 2.Sxg2#
- 1...Qh2
- 2.Sed5#
- 1...Bc2
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sb3
- 2.Sed5#
- 1...d2
- 2.Sg2#
- 1...e4
- 1.Bg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- P(g);OGATEB::B(G)
- P(i);OGATEB::B(G)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(g);OGATEB::B(G)
- P(i);OGATEB::B(G)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- Q(c);P_PINS(A)
- Try
- K(D);S_FLIGHT
- Vars
- P(g);OGATEB::B(G)
- P(i);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD,P_PINP(E)::S(A),XQ(c)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- Q(c);CHECK
- Try
- B(G);
- Vars
- P(g);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- P(i);
- Try
- B(G);
- Vars
- P(g);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- P(i);
- Try
- B(G);P_PINP(g)
- Vars
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- P(i);
- Try
- B(G);P_PINP(i)
- Vars
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- P(g);
- Try
- B(G);
- Vars
- P(g);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- P(i);
- Try
- P(C);
- Vars
- P(g);OGATEB::B(G)
- P(i);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- Q(c);CHECK
- Try
- P(E);
- Vars
- P(g);OGATEB::B(G)
- P(i);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
- Refutation
- Q(c);CHECK
- Try
- Actual
- B(G);
- Vars
- P(g);SBLOCK::S(F)
- P(i);OGATEB::B(G)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD,P_PINP(C)::S(A)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(A)
- B(b);S_CUTQ(c)::S(A)
- S(a);S_CUTQ(c)::S(A)
- P(e);S_CUTQ(c)::S(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).