MESON Chess Problem Database
Problem Display
PID: 162262 (2bR4/Bp1n3P/1n6/N1PBN3/3k4/2p5/2p1Q3/2K5 w - - 0 1)
Barnes, Barry Peter
Sp. Comm., The Problemist, 2016
#2
9 + 7
| 56 | The Problemist | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Sxd5
- 2.Sb3#
- 2.Sf3#
- 1...Sa8
- 2.Qe4#
- 1...Sxc5
- 2.Sf3#
- 1...Sxe5
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 1...Sb8
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 1...Sa4
- Tries
- 1.Sd3?
- threat
- 2.Qe4#
- 1...Kxd5
- 2.Qe5#
- 1...Sxc5
- 2.h8Q#
- 2.h8B#
- 1...Sf6
- 2.Sb3#
- 1...Sxd5!
- threat
- 1.Sf3+?
- 1...Kxd5
- 2.Qe5#
- 1...Kxc5!
- 1...Kxd5
- 1.Sec4?
- 1...Kxd5
- 2.Qe5#
- 1...Sxc4
- 2.Qe4#
- 1...Sxd5
- 2.Sb3#
- 1...Sxc5
- 2.Qe3#
- 2.h8Q#
- 2.h8B#
- 1...Sa4
- 2.Qe4#
- 1...Sa8
- 2.Qe4#
- 1...Se5
- 2.Sb3#
- 2.Qe3#
- 1...Sf6
- 2.Sb3#
- 2.Qe3#
- 1...Sb8
- 2.Sb3#
- 2.Qe3#
- 1...Sf8
- 2.Sb3#
- 2.Qe3#
- 1...Kxc5!
- 1...Kxd5
- 1.Sg4?
- 1...Kxd5
- 2.Qe5#
- 1...Sxd5
- 2.Sb3#
- 2.Qc4#
- 1...Sxc5
- 2.Qe3#
- 2.h8Q#
- 2.h8B#
- 1...Sa4
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 2.Qe4#
- 1...Sa8
- 2.Qc4#
- 2.Qe4#
- 1...Se5
- 2.Sb3#
- 2.Qe3#
- 1...Sf6
- 2.Sb3#
- 2.Qe3#
- 1...Sb8
- 2.Sb3#
- 2.Qe3#
- 1...Sf8
- 2.Sb3#
- 2.Qe3#
- 1...Kxc5!
- 1...Kxd5
- 1.Sg6?
- 1...Kxd5
- 2.Qe5#
- 1...Sxd5
- 2.Sb3#
- 1...Sxc5
- 2.h8Q#
- 2.h8B#
- 1...Sa4
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Sa8
- 2.Qe4#
- 1...Se5
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 1...Sb8
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 1...Kxc5!
- 1...Kxd5
- 1.Sxd7?
- threat
- 2.Qe4#
- 1...Kxd5
- 2.Qe5#
- 1...Sxd5
- 2.Sb3#
- 1...Bxd7!
- threat
- 1.Bxb6?
- threat
- 2.Qe4#
- 1...Sxb6
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 2.Sf3#
- 2.c6#
- 1...Kxd5!
- threat
- 1.Rxd7?
- threat
- 2.Sb3#
- 1...Kxc5
- 2.Qc4#
- 1...Sxd7
- 2.Qe4#
- 1...Bxd7!
- threat
- 1.Sd3?
- Keys
- 1.Sf7!
- 1...Kxc5
- 2.Qc4#
- 1...Kxd5
- 2.Qe5#
- 1...Sxd5
- 2.Sb3#
- 1...Sxc5
- 2.h8Q#
- 2.h8B#
- 1...Sa4
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Sa8
- 2.Qe4#
- 1...Se5
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 1...Sb8
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 1...Kxc5
- 1.Sf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(d);::QAR1(B)
- S(f);SBLOCK,XP(D)::S(F)
- S(f);XS(F)::S(C)
- S(f);::S(C)
- Tries
- Try
- S(F);
- Threat
- QAR1(B)
- Vars
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- S(f);N_GUARD,XP(D)::P=Q
- S(f);::S(C)
- Refutation
- S(d);XB(E)
- Try
- S(F);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- Refutation
- K(c);P_SPINS(d),S_FLIGHT,XP(D)
- Try
- S(F);
- Vars
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- S(d);XS(F)::QAR1(B)
- S(d);SBLOCK,XB(E)::S(C)
- S(d);::QAR1(B)
- Refutation
- K(c);P_SPINS(d),S_FLIGHT,XP(D)
- Try
- S(F);
- Vars
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- Refutation
- K(c);P_SPINS(d),S_FLIGHT,XP(D)
- Try
- S(F);
- Vars
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- S(d);SBLOCK,XB(E)::S(C)
- S(f);N_GUARD,SBLOCK,XP(D)::P=Q
- S(d);::QAR1(B)
- S(f);::S(C)
- Refutation
- K(c);P_SPINS(d),S_FLIGHT,XP(D)
- Try
- S(F);XS(f)
- Threat
- QAR1(B)
- Vars
- K(c);P-FLIGHT,XB(E)::QAR1(B)
- S(d);SBLOCK,XB(E)::S(C)
- Refutation
- B(g);XS(F)
- Try
- B(G);XS(d)
- Threat
- QAR1(B)
- Vars
- S(f);XB(G)::S(C)
- Refutation
- K(c);P-FLIGHT,P_SPINS(f),XB(E)
- Try
- R(I);XS(f)
- Threat
- S(C)
- Vars
- K(c);P_SPINS(d),S_FLIGHT,XP(D)::QAR1(B)
- S(d);XR(I)::QAR1(B)
- Refutation
- B(g);XR(I)
- Try
- Actual
- S(F);
- Vars
- K(c);P_SPINS(d),S_FLIGHT,XP(D)::QAR1(B)
- K(c);P-FLIGHT,P_SPINS(f),XB(E)::QAR1(B)
- S(d);SBLOCK,XB(E)::S(C)
- S(f);N_GUARD,SBLOCK,XP(D)::P=Q
- S(d);::QAR1(B)
- S(f);::S(C)
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).