MESON Chess Problem Database
Problem Display
PID: 124456 (8/5R2/pBp5/PPpPp3/1nk1N1Q1/PR2P3/1P2P3/1K5B w - - 0 1)
Torres, T
Caissa, 1981
#2
14 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Kxb3
- Tries
- 1.Sxc5+?
- 1...Kxb5
- 2.Rxb4#
- 2.Qxb4#
- 2.a4#
- 1...e4!
- 1...Kxb5
- 1.Bc7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Sc3#
- 2.Sf6#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rc3+?
- 1...Kxd5
- 2.Rxc5#
- 2.Rd7#
- 2.Qd7#
- 1...Kxb5!
- 1...Kxd5
- 1.Rd3?
- threat
- 2.Sd6#
- 1...Kxb5
- 2.Sc3#
- 1...Sxd3!
- threat
- 1.Rxb4+?
- 1...Kxd5
- 2.Rd7#
- 2.Qd7#
- 1...cxb4!
- 1...Kxd5
- 1.Rf1?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rf2?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rf5?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rf6?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Sc3#
- 2.Qe6#
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Ra7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rb7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rd7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 2.Rc3#
- 1...cxb5
- 2.Sd2#
- 2.Rc3#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Re7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qe6#
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rh7?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.Rf8?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...cxd5!
- 1...Kxb3
- 1.a4?
- threat
- 2.Sd2#
- 1...Kxb3
- 2.Sxc5#
- 1...Kxd5!
- threat
- 1.bxc6?
- 1...Kxb3
- 2.Sxc5#
- 1...Kb5
- 2.Sc3#
- 1...Sxd5
- 2.Sd2#
- 1...Sxc6
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...Kxd5!
- 1...Kxb3
- 1.dxc6?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Sxc6
- 2.Sd2#
- 2.Qe6#
- 1...axb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 2.Qe6#
- 1...Sc2
- 2.Sd2#
- 2.Qe6#
- 1...Sd3
- 2.Sd2#
- 2.Qe6#
- 1...Sd5
- 2.Sd2#
- 1...Kd5!
- 1...Kxb3
- 1.d6?
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...Sa2
- 2.Sd2#
- 2.Qe6#
- 1...Sc2
- 2.Sd2#
- 2.Qe6#
- 1...Sd3
- 2.Sd2#
- 2.Qe6#
- 1...Sd5
- 2.Sd2#
- 1...Kd5!
- 1...Kxb3
- 1.Sxc5+?
- Keys
- 1.Rc7!
- 1...Kxb3
- 2.Sxc5#
- 1...Kxb5
- 2.Sc3#
- 1...Kxd5
- 2.Qg8#
- 1...Sxd5
- 2.Sd2#
- 1...axb5
- 2.Sd2#
- 1...cxb5
- 2.Sd2#
- 1...cxd5
- 2.Rxb4#
- 1...Sa2
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sd3
- 2.Sd2#
- 1...Kxb3
- 1.Rc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- S(a);::QAR(I)+S(H),DCHECK
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- Tries
- Try
- S(H);CHECK,XP(c)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(M);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(F);CHECK
- Refutation
- K(b);S_FLIGHT,XP(K)
- Try
- R(F);
- Threat
- QAR(I)+S(H),DCHECK
- Vars
- K(b);S_FLIGHT,XP(K)::S(H)
- Refutation
- S(a);XR(F)
- Try
- R(F);CHECK,XS(a)
- Refutation
- P(c);XR(F)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,P_SPINP(d),S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- P(f);XP(L)
- Try
- P(E);
- Threat
- QAR(I)+S(H),DCHECK
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- Refutation
- K(b);S_FLIGHT,XP(L)
- Try
- P(K);XP(f)
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT::S(H)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- S(a);XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- K(b);S_FLIGHT,XP(L)
- Try
- P(L);XP(f)
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- P(L);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- S(a);::QAR(I)+S(H),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- R(N);
- Vars
- K(b);S_FLIGHT,XR(F)::S(H),XP(c)
- K(b);P_SPINS(a),S_FLIGHT,XP(K)::S(H)
- K(b);OGATEB,S_FLIGHT,XP(L)::QAB(I)
- S(a);XP(L)::QAR(I)+S(H),DCHECK
- P(e);SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);P_SPINP(c),SBLOCK,XP(K)::QAR(I)+S(H),DCHECK
- P(f);P_SPINP(c),SBLOCK,XP(L)::R1(F),XS(a)
- S(a);::QAR(I)+S(H),DCHECK
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).