MESON Chess Problem Database
Problem Display
PID: 62158 (6bK/q6p/3B3P/2N2R2/3k4/4pP2/2RpB2n/6Q1 w - - 0 1)
Bernard, Henry D'Oyly
Sunday Express, 1921
#2
9 + 7
| 81 | Chess | 1944 |
| 1101 | BCSC Final | 2005-2006 |
| 56 | The Problemist | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qxc5
- 2.Bxc5#
- 1...Qb6
- 2.Qg7#
- 1...Qb8
- 2.Qg7#
- 1...Qa1
- 2.Qxa1#
- 2.Qg7#
- 1...Qa2
- 2.Qg7#
- 1...Qa3
- 2.Qg7#
- 1...Qa4
- 2.Qg7#
- 1...Qa5
- 2.Qg7#
- 1...Qa6
- 2.Qg7#
- 1...Qc7
- 2.Qa1#
- 1...Qd7
- 2.Qa1#
- 1...Qe7
- 2.Qa1#
- 1...Qf7
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qa8
- 2.Qg7#
- 1...Ba2
- 2.Qa1#
- 1...Bb3
- 2.Sxb3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Be5#
- 1...Be6
- 2.Sxe6#
- 1...Bf7
- 2.Qg7#
- 1...Sf1
- 2.Qg4#
- 1...Sxf3
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qxc5
- Tries
- 1.Sa4?
- threat
- 2.Rxd2#
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxa4
- 2.Bc5#
- 2.Qg7#
- 1...Sxf3
- 2.Qg4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Rd2#
- 2.Qxd1#
- 1...d1B
- 2.Rd2#
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qc5
- 2.Bxc5#
- 2.Rxd2#
- 1...Qb6
- 2.Rxd2#
- 2.Qg7#
- 1...Qb8
- 2.Bc5#
- 2.Rxd2#
- 2.Qg7#
- 1...Qa6
- 2.Bc5#
- 2.Qa1#
- 2.Qg7#
- 1...Qb7
- 2.Bc5#
- 2.Rxd2#
- 1...Qc7
- 2.Rxd2#
- 1...Bc4
- 2.Rxc4#
- 2.Qa1#
- 1...Sf1
- 2.Qg4#
- 1...Qa5!
- threat
- 1.Sa6?
- threat
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxa6
- 2.Bc5#
- 2.Qg7#
- 1...Sxf3
- 2.Qg4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qc5
- 2.Bxc5#
- 1...Qb6
- 2.Qg7#
- 1...Qb8
- 2.Bc5#
- 2.Qg7#
- 1...Qb7
- 2.Bc5#
- 1...Sf1
- 2.Qg4#
- 1...Qc7!
- threat
- 1.Sb7?
- threat
- 2.Qg7#
- 1...Qxb7
- 2.Bc5#
- 1...Sxf3
- 2.Qg4#
- 1...Qc5
- 2.Bxc5#
- 1...Sg4
- 2.Qxg4#
- 1...Qa5!
- threat
- 1.Sd7?
- threat
- 2.Qg7#
- 1...Qxd7
- 2.Bc5#
- 2.Qa1#
- 1...Sxf3
- 2.Qg4#
- 1...Qc5
- 2.Bxc5#
- 1...Sg4
- 2.Qxg4#
- 1...Qa5!
- threat
- 1.Ba6?
- threat
- 2.Qa1#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 1...Qxa6
- 2.Qg7#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qb6
- 2.Qg7#
- 1...Qb8
- 2.Qg7#
- 1...Sf1
- 2.Qg4#
- 1...Qb7!
- threat
- 1.Rh5?
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 1...Sxf3
- 2.Qg4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qa5
- 2.Qg7#
- 1...Qb6
- 2.Qg7#
- 1...Qb8
- 2.Qg7#
- 1...Qa1
- 2.Qxa1#
- 2.Qg7#
- 1...Qa2
- 2.Qg7#
- 1...Qa3
- 2.Qg7#
- 1...Qa4
- 2.Qg7#
- 1...Qa6
- 2.Qg7#
- 1...Qc7
- 2.Qa1#
- 1...Qd7
- 2.Qa1#
- 1...Qe7
- 2.Qa1#
- 1...Qf7
- 2.Qa1#
- 1...Qa8
- 2.Qg7#
- 1...Ba2
- 2.Qa1#
- 1...Bb3
- 2.Sxb3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Be5#
- 1...Be6
- 2.Sxe6#
- 1...Bf7
- 2.Qg7#
- 1...Sf1
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...Qb7!
- 1...Qg7+
- 1.Qg3?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 2.Qf4#
- 1...Sxf3
- 2.Qf4#
- 2.Qg4#
- 1...Qb7
- 2.Qe5#
- 1...Qa8
- 2.Qe5#
- 2.Qg7#
- 1...Bd5
- 2.Be5#
- 2.Qe5#
- 1...Sg4
- 2.Qf4#
- 2.Qxg4#
- 1...Qe7!
- threat
- 1.Qg5?
- threat
- 2.Rf4#
- 2.Qf4#
- 2.Qf6#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 2.Rf4#
- 2.Qf4#
- 1...Sxf3
- 2.Rf4#
- 2.Qf4#
- 2.Qg4#
- 1...Qb7
- 2.Qf6#
- 1...Qf7
- 2.Qf4#
- 1...Qa8
- 2.Qf6#
- 2.Qg7#
- 1...Bd5
- 2.Be5#
- 2.Rxd5#
- 2.Qf6#
- 1...Sg4
- 2.Rf4#
- 2.Qf4#
- 2.Qxg4#
- 1...Qe7!
- threat
- 1.Qxg8?
- threat
- 2.Sb3#
- 2.Se6#
- 2.Be5#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 2.Rf4#
- 1...Sxf3
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qg4#
- 1...Qb6
- 2.Se6#
- 2.Be5#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qg7#
- 1...Qb8
- 2.Se6#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 1...Qa2
- 2.Be5#
- 2.Rf4#
- 2.Qg7#
- 1...Qa3
- 2.Se6#
- 2.Be5#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qg7#
- 1...Qa4
- 2.Se6#
- 2.Be5#
- 2.Rf4#
- 2.Rd5#
- 2.Qd5#
- 2.Qg7#
- 1...Qa6
- 2.Sb3#
- 2.Se6#
- 2.Be5#
- 2.Rf4#
- 2.Rd5#
- 2.Qd5#
- 2.Qg7#
- 1...Qb7
- 2.Se6#
- 2.Be5#
- 2.Rc4#
- 2.Qc4#
- 1...Qc7
- 2.Sb3#
- 2.Se6#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...Qd7
- 2.Sb3#
- 2.Be5#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...Qe7
- 2.Sb3#
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...Qa8
- 2.Sb3#
- 2.Se6#
- 2.Be5#
- 2.Rc4#
- 1...Sg4
- 2.Sb3#
- 2.Se6#
- 2.Rc4#
- 2.Rf4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxg4#
- 1...Qf7!
- threat
- 1.Sa4?
- Keys
- 1.Bb5!
- 1...Qg7+
- 2.Qxg7#
- 1...Qxc5
- 2.Bxc5#
- 1...Sxf3
- 2.Qg4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qa5
- 2.Qg7#
- 1...Qb6
- 2.Qa1#
- 2.Qg7#
- 1...Qb8
- 2.Qa1#
- 2.Qg7#
- 1...Qa1
- 2.Qxa1#
- 2.Qg7#
- 1...Qa2
- 2.Qg7#
- 1...Qa3
- 2.Qg7#
- 1...Qa4
- 2.Qg7#
- 1...Qa6
- 2.Qg7#
- 1...Qb7
- 2.Qa1#
- 1...Qc7
- 2.Qa1#
- 1...Qd7
- 2.Qa1#
- 1...Qe7
- 2.Qa1#
- 1...Qf7
- 2.Qa1#
- 1...Qa8
- 2.Qg7#
- 1...Ba2
- 2.Qa1#
- 1...Bb3
- 2.Sxb3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Be5#
- 1...Be6
- 2.Sxe6#
- 1...Bf7
- 2.Qg7#
- 1...Sf1
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...Qg7+
- 1.Bb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(e);OGATE,XS(E)::B(G),XQ(e)
- Q(e);N_GUARD::QAB(A)
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- B(g);S_CUTQ(e)::QAB(A)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);SBLOCK::B(G)
- S(b);N_GUARD::QAR(A)
- S(b);N_GUARD,XP(D)::QAR(A)
- S(b);N_GUARD::QAR(A),XS(b)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- S(b);N_GUARD,XP(D)::QAR(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- Q(e);::R(B),XP(a)
- S(b);N_GUARD::QAR(A)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- QAB(A)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- S(b);N_GUARD,XP(D)::QAR(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Q(e);N_GUARD::B(G),XQ(e)
- Q(e);N_GUARD::QAB(A)
- Q(e);N_GUARD::B(G)
- S(b);N_GUARD::QAR(A)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- QAB(A)
- Vars
- Q(e);N_GUARD,XS(E)::B(G)
- S(b);N_GUARD,XP(D)::QAR(A)
- Q(e);N_GUARD::B(G),XQ(e)
- S(b);N_GUARD::QAR(A),XS(b)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- QAB(A)
- Vars
- S(b);N_GUARD,XP(D)::QAR(A)
- Q(e);N_GUARD::B(G),XQ(e)
- S(b);N_GUARD::QAR(A),XS(b)
- Refutation
- Q(e);
- Try
- B(C);
- Threat
- QAB(A)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Q(e);OGATE,XS(E)::B(G),XQ(e)
- Q(e);N_GUARD,XB(C)::QAB(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Q(e);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR(A)
- Refutation
- Q(e);
- Try
- R(F);
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Q(e);OGATE,XS(E)::B(G),XQ(e)
- S(b);N_GUARD,XP(D)::QAR(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Q(e);N_GUARD::QAB(A)
- B(g);S_CUTQ(e)::QAB(A)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);SBLOCK::B(G)
- S(b);N_GUARD::QAR(A)
- S(b);N_GUARD::QAR(A),XS(b)
- Refutation
- Q(e);
- Try
- Q(A);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Q(e);::QAB1(A)
- Refutation
- Q(e);
- Try
- Q(A);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Q(e);::QAB(A)
- Q(e);::QAR2(A)
- Refutation
- Q(e);
- Try
- Q(A);N_PINP(c),XB(g)
- Threat
- DUALS(8)
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Refutation
- Q(e);
- Try
- Actual
- B(C);
- Vars
- Q(e);CHECK,N_GUARD::QAB(A),XQ(e)
- Q(e);OGATE,XS(E)::B(G),XQ(e)
- S(b);N_GUARD,XP(D)::QAR(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Q(e);N_GUARD::QAB(A)
- B(g);S_CUTQ(e)::QAB(A)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);SBLOCK::B(G)
- S(b);N_GUARD::QAR(A)
- S(b);N_GUARD::QAR(A),XS(b)
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).