MESON Chess Problem Database
Problem Display
PID: 15892 (1B6/5BpK/1n4RN/2p2N2/4kP2/b1Q2p2/8/1b3n2 w - - 0 1)
Shire, David J
The Problemist, 1988
#2
8 + 8
| 3256 | David Shire Selected Chess Problems | 2001 |
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Qc2#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qe5#
- 1...Sd2
- 2.Sg3#
- 2.Qe3#
- 1...Sh2
- 2.Sg3#
- 2.Qe3#
- 1...Se3
- 2.Sg3#
- 2.Qxe3#
- 1...Sg3
- 2.Sxg3#
- 2.Qe3#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd5
- 2.Re6#
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...c4
- 2.Qd4#
- 1...Ba2
- Tries
- 1.Se7?
- threat
- 2.Re6#
- 1...Sc4
- 2.Bd5#
- 1...Sd7
- 2.Bd5#
- 1...Ba2!
- threat
- 1.Bb3?
- threat
- 2.Re6#
- 1...Sc4
- 2.Qxc4#
- 1...c4
- 2.Qd4#
- 1...Sd7
- 2.Qc4#
- 1...gxh6!
- threat
- 1.Bc4?
- threat
- 2.Re6#
- 2.Qe5#
- 1...Sxc4
- 2.Qxc4#
- 1...gxh6
- 2.Qe5#
- 1...Bb2
- 2.Re6#
- 1...f2
- 2.Re6#
- 1...Sd7!
- threat
- 1.Bd5+?
- 1...Sxd5
- 2.Re6#
- 2.Qc4#
- 1...Kxd5!
- 1...Sxd5
- 1.Be5?
- threat
- 2.Sd6#
- 1...Sc4
- 2.Qxc4#
- 1...Sc8
- 2.Qc4#
- 1...c4
- 2.Qd4#
- 1...Bd3!
- threat
- 1.Rg3?
- threat
- 2.Qxf3#
- 1...Sxg3
- 2.Sxg3#
- 2.Qe3#
- 1...Bd3
- 2.Qe5#
- 1...Sd2
- 2.Qe3#
- 1...Sh2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...f2
- 2.Qe5#
- 2.Qf3#
- 1...gxh6!
- threat
- 1.Rf6?
- threat
- 2.Sd6#
- 1...Bd3
- 2.Qe5#
- 1...Sc4
- 2.Qxc4#
- 1...Sc8
- 2.Qc4#
- 1...c4
- 2.Qd4#
- 1...gxf6!
- threat
- 1.Qe1+?
- 1...Se3
- 2.Qxe3#
- 1...Kd3!
- 1...Se3
- 1.Qb3?
- threat
- 2.Re6#
- 2.Qxb1#
- 1...gxh6
- 2.Qxb1#
- 1...Ba2
- 2.Re6#
- 2.Qc2#
- 1...Bc2
- 2.Re6#
- 2.Qxc2#
- 1...Bd3
- 2.Re6#
- 2.Qe6#
- 1...Sd2
- 2.Re6#
- 2.Qe3#
- 1...Se3
- 2.Re6#
- 2.Qxe3#
- 1...Sc4
- 2.Qxc4#
- 2.Qxb1#
- 1...Sd7
- 2.Bd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxb1#
- 1...f2
- 2.Re6#
- 1...c4
- 2.Qxb1#
- 1...Bb2!
- threat
- 1.Se7?
- Keys
- 1.Rg4!
- threat
- 2.Sd6#
- 1...Bd3
- 2.Qe5#
- 1...Sc4
- 2.Qxc4#
- 1...Sc8
- 2.Qc4#
- 1...c4
- 2.Qd4#
- threat
- 1.Rg4!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- B(a);N_GUARD::QAB(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAR1(A)
- S(g);N_GUARD::QAR2(A)
- S(g);N_GUARD::QAR2(A),XS(g)
- P(f);N_GUARD::QAR1(A)
- Tries
- Try
- S(C);
- Threat
- R(D)
- Vars
- S(g);N_GUARD::B(F)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- R(D)
- Vars
- S(g);N_GUARD::QAR2(A),XS(g)
- P(f);N_GUARD::QAR1(A)
- S(g);N_GUARD::QAR2(A)
- Refutation
- P(h);XS(E)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- S(g);OGATE,XB(F)::QAR2(A),XS(g)
- P(h);XS(E)::QAR1(A)
- B(c);::R(D)
- P(d);::R(D)
- Refutation
- S(g);
- Try
- B(F);CHECK
- Refutation
- K(e);S_FLIGHT,XB(F)
- Try
- B(H);
- Threat
- S(C)
- Vars
- S(g);N_GUARD::QAR2(A),XS(g)
- S(g);N_GUARD::QAR2(A)
- P(f);N_GUARD::QAR1(A)
- Refutation
- B(a);
- Try
- R(D);
- Threat
- QAB1(A),XP(d)
- Vars
- B(a);SBLOCK::QAR1(A)
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- P(h);XS(E)
- Try
- R(D);
- Threat
- S(C)
- Vars
- B(a);SBLOCK::QAR1(A)
- S(g);N_GUARD::QAR2(A),XS(g)
- S(g);N_GUARD::QAR2(A)
- P(f);N_GUARD::QAR1(A)
- Refutation
- P(h);XR(D)
- Try
- Q(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(h);XS(E)::QAB(A),XB(a)
- P(d);::R(D)
- P(f);::QAB(A),XB(a)
- Refutation
- B(c);
- Try
- Actual
- R(D);
- Threat
- S(C)
- Vars
- B(a);SBLOCK::QAR1(A)
- S(g);N_GUARD::QAR2(A),XS(g)
- S(g);N_GUARD::QAR2(A)
- P(f);N_GUARD::QAR1(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).