MESON Chess Problem Database
Problem Display
PID: 275947 (2B5/1N5P/1pP5/1K2RP2/1p1kppP1/1R1nN3/4P2Q/8 w - - 0 1)
Olszewski, Peter
1st HM., Pat a Mat, 2003
#2
12 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Kxe3
- 2.Rxd3#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Sc1
- 2.Rd5#
- 1...Se1
- 2.Rd5#
- 1...Sb2
- 2.Rd5#
- 1...Sf2
- 2.Rd5#
- 1...Sc5
- 2.Rd5#
- 1...f3
- 2.Sc2#
- 1...Kxe3
- Tries
- 1.Sd8?
- 1...Kxe3
- 2.Rxd3#
- 1...Sxe5
- 2.Se6#
- 1...fxe3
- 2.Se6#
- 1...Sc1
- 2.Rd5#
- 1...Se1
- 2.Rd5#
- 1...Sb2
- 2.Rd5#
- 1...Sf2
- 2.Rd5#
- 1...Sc5
- 2.Rd5#
- 1...f3
- 2.Sc2#
- 1...Kxe5!
- 1...Kxe3
- 1.Rxd3+?
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...exd3!
- 1...Kxe5
- 1.Re6?
- 1...Kxe3
- 2.Rxd3#
- 1...fxe3
- 2.Rd6#
- 2.Qd6#
- 1...Sc1
- 2.h8Q#
- 2.h8B#
- 1...Se1
- 2.h8Q#
- 2.h8B#
- 1...Sb2
- 2.h8Q#
- 2.h8B#
- 1...Sf2
- 2.h8Q#
- 2.h8B#
- 1...Sc5
- 2.h8Q#
- 2.h8B#
- 1...Se5
- 2.Rd6#
- 1...f3!
- 1...Kxe3
- 1.Qg1?
- threat
- 2.Rd5#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Sxe5
- 2.Qa1#
- 1...fxe3!
- threat
- 1.Qh6?
- 1...Kxe5
- 2.Qg7#
- 2.Qd6#
- 2.h8Q#
- 2.h8B#
- 1...Sxe5
- 2.Qd6#
- 1...fxe3
- 2.Qd6#
- 1...f3
- 2.Rd5#
- 1...Sc1
- 2.Rd5#
- 2.Qd6#
- 1...Se1
- 2.Rd5#
- 2.Qd6#
- 1...Sb2
- 2.Rd5#
- 2.Qd6#
- 1...Sf2
- 2.Rd5#
- 2.Qd6#
- 1...Sc5
- 2.Rd5#
- 2.Qd6#
- 1...Kxe3!
- 1...Kxe5
- 1.exd3?
- threat
- 2.Rxe4#
- 1...Kxe5
- 2.Qb2#
- 2.h8Q#
- 2.h8B#
- 1...exd3
- 2.Qxf4#
- 2.Qb2#
- 1...fxe3
- 2.Qb2#
- 1...Kxe3!
- threat
- 1.h8Q?
- threat
- 2.Sc2#
- 1...Kxe3
- 2.Rxd3#
- 1...fxe3
- 2.Qd8#
- 1...Se1
- 2.Rc5#
- 2.Rd5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Sxe5!
- threat
- 1.Sd8?
- Keys
- 1.Be6!
- 1...Kxe3
- 2.Rxd3#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Sxe5
- 2.Sc2#
- 1...fxe3
- 2.Rd5#
- 1...Sc1
- 2.Rd5#
- 1...Se1
- 2.Rd5#
- 1...Sb2
- 2.Rd5#
- 1...Sf2
- 2.Rd5#
- 1...Sc5
- 2.Rd5#
- 1...f3
- 2.Sc2#
- 1...Kxe3
- 1.Be6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);N_GUARD,P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)::R1(C),XS(a)
- K(c);P_SPINP(e),S_FLIGHT,XR(G)::P=Q
- S(a);::R1(G)
- P(e);::S(D)
- Tries
- Try
- S(J);
- Vars
- K(c);N_GUARD,P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)::R1(C),XS(a)
- S(a);SBLOCK,XR(G)::S(J)
- P(e);SBLOCK,XS(D)::S(J)
- S(a);::R1(G)
- P(e);::S(D)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT,XR(G)
- Try
- R(C);CHECK,XS(a)
- Vars
- K(c);P_SPINP(e),S_CUTP(d),S_FLIGHT,XR(G)::P=Q
- Refutation
- P(d);XR(C)
- Try
- R(G);
- Vars
- K(c);P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)::R1(C),XS(a)
- S(a);N_GUARD::P=Q
- S(a);SBLOCK::R(G)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- R1(G)
- Vars
- K(c);S_FLIGHT,XR(G)::P=Q
- S(a);N_GUARD,SBLOCK,XR(G)::QAB(B)
- Refutation
- P(e);P_SPINP(e),XS(D)
- Try
- Q(B);
- Vars
- S(a);XR(G)::QAR2(B)
- P(e);SBLOCK,XS(D)::QAR2(B)
- P(e);::R1(G)
- Refutation
- K(c);P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)
- Try
- P(A);XS(a)
- Threat
- R1(G),XP(d)
- Vars
- P(e);SBLOCK,XS(D)::QAB(B)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XS(D)
- Try
- P(K);
- Threat
- S(D)
- Vars
- K(c);P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)::R1(C),XS(a)
- P(e);SBLOCK,XS(D)::QAR(K)
- Refutation
- S(a);P_SPINS(a),XR(G)
- Try
- Actual
- B(L);
- Vars
- K(c);N_GUARD,P_SPINP(d),P_SPINS(a),S_FLIGHT,XS(D)::R1(C),XS(a)
- K(c);P_SPINP(e),S_FLIGHT,XR(G)::P=Q
- S(a);SBLOCK,XR(G)::S(D)
- P(e);SBLOCK,XS(D)::R1(G)
- S(a);::R1(G)
- P(e);::S(D)
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).