MESON Chess Problem Database
Problem Display
PID: 61271 (8/1QNp1pnB/8/b1nPBPp1/4kPR1/Kp2P2R/N3P3/8 w - - 0 1)
Casa, Alex
1st Prize, diagrammes, 2002
#2
13 + 8
| 145 | StrateGems | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Sxc3#
- 1...Bb4+
- 2.Qxb4#
- 1...Bb6
- 2.Sc3#
- 1...Bxc7
- 2.Sc3#
- 1...Sd3
- 2.d6#
- 1...Sa4
- 2.d6#
- 1...Sa6
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Bc3
- Tries
- 1.Ba1?
- threat
- 2.fxg5#
- 1...Bb4+
- 2.Qxb4#
- 1...Bxc7
- 2.Sc3#
- 1...gxf4
- 2.Rxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sd3
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- 1...b2!
- threat
- 1.Bc3?
- threat
- 2.fxg5#
- 1...Bb4+
- 2.Qxb4#
- 1...Bxc3
- 2.Sxc3#
- 1...gxf4
- 2.Rxf4#
- 1...Sd3
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- 1...Bxc7!
- threat
- 1.Bd4?
- threat
- 2.fxg5#
- 1...Bxc7
- 2.Sc3#
- 1...gxf4
- 2.Rxf4#
- 1...Sd3
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- 1...Bb4+!
- threat
- 1.Bd6?
- threat
- 2.fxg5#
- 1...Bb4+
- 2.Qxb4#
- 1...gxf4
- 2.Rxf4#
- 1...Sce6
- 2.dxe6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- 1...Sd3!
- threat
- 1.Bf6?
- threat
- 2.fxg5#
- 1...Bb4+
- 2.Qxb4#
- 1...Bxc7
- 2.Sc3#
- 1...gxf4
- 2.Rxf4#
- 1...Sd3
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sge6
- 2.fxe6#
- 1...Sh5!
- threat
- 1.Bxg7?
- threat
- 2.fxg5#
- 2.f6#
- 1...Bb4+
- 2.Qxb4#
- 1...Bxc7
- 2.Sc3#
- 2.f6#
- 1...gxf4
- 2.Rxf4#
- 1...Sd3
- 2.d6#
- 2.f6#
- 1...Se6
- 2.d6#
- 2.f6#
- 1...f6!
- threat
- 1.Qb5?
- threat
- 2.Qc4#
- 1...Bb4+
- 2.Qxb4#
- 1...Bc3
- 2.Sxc3#
- 1...Sce6
- 2.Qd3#
- 1...Sge6
- 2.f6#
- 1...gxf4!
- threat
- 1.Ba1?
- Keys
- 1.Bb2!
- threat
- 2.fxg5#
- 1...Bb4+
- 2.Qxb4#
- 1...Bxc7
- 2.Sc3#
- 1...gxf4
- 2.Rxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sd3
- 2.d6#
- 1...Sce6
- 2.d6#
- 1...Sh5
- 2.f6#
- 1...Sge6
- 2.f6#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(c);N_GUARD::S(A),XB(c)
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);N_GUARD::S(A)
- B(c);N_GUARD,XS(L)::S(A)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);N_GUARD::B(M)+P(J)
- Tries
- Try
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);N_GUARD,XS(L)::S(A)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- B(c);N_GUARD::S(A),XB(c)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);N_GUARD::B(M)+P(J)
- Refutation
- P(a);
- Try
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);XB(I)::S(A),XB(c)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);N_GUARD::B(M)+P(J)
- Refutation
- B(c);XS(L)
- Try
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);N_GUARD,XS(L)::S(A)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);N_GUARD::B(M)+P(J)
- Refutation
- B(c);CHECK
- Try
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- S(d);OGATE::QAB(K)+P(H),XS(d)
- S(h);N_GUARD::B(M)+P(J)
- Refutation
- S(d);
- Try
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);N_GUARD,XS(L)::S(A)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);OGATE::B(M)+P(J),XS(h)
- Refutation
- S(h);
- Try
- B(I);XS(h)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- Refutation
- P(g);
- Try
- Q(K);
- Threat
- QAR2(K)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);N_GUARD::S(A),XB(c)
- S(d);N_GUARD::QAB1(K)
- S(h);N_GUARD::B(M)+P(J)
- Refutation
- P(e);P_SPINP(e),XP(F)
- Try
- Actual
- B(I);
- Threat
- R(G)+P(F),XP(e)
- Vars
- B(c);CHECK,N_GUARD::QAR(K),XB(c)
- B(c);N_GUARD,XS(L)::S(A)
- P(e);OGATE,P_SPINP(e),XP(F)::R1(G),XP(e)
- B(c);N_GUARD::S(A),XB(c)
- S(d);N_GUARD::QAB(K)+P(H)
- S(h);N_GUARD::B(M)+P(J)
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).