MESON Chess Problem Database
Problem Display
PID: 272292 (Q1n1N3/n7/1pp1KP2/3PPr2/NpP1kPR1/2r1P3/2P3P1/1B2R3 w - - 0 1)
Labai, Zoltan
Svitek, Miroslav
Mosiashvili-75 JT (Kudesnik), 2023
#2
15 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Bxc2#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rxe3
- 2.c3#
- 1...Rxc4
- 2.c3#
- 1...Rxf4
- 2.Rxf4#
- 1...Rxe5+
- 2.fxe5#
- 1...Rg5
- 2.fxg5#
- 1...Rh5
- 2.f5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...b3
- 2.Sxc3#
- 1...b5
- 2.Sc5#
- 1...cxd5
- 2.Qxd5#
- 1...Rxc2
- Tries
- 1.Qxc6?
- 1...Rxe5+
- 2.fxe5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxe3
- 2.c3#
- 1...Rxc4
- 2.Qxc4#
- 2.c3#
- 1...Rxf4
- 2.Rxf4#
- 1...Sb5
- 2.d6#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rg5
- 2.fxg5#
- 1...Rh5
- 2.f5#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...b3
- 2.Sxc3#
- 1...b5
- 2.Sc5#
- 1...Sxc6!
- 1...Rxe5+
- 1.d6?
- 1...Rxe5+
- 2.fxe5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxe3
- 2.c3#
- 1...Rxc4
- 2.c3#
- 1...Rxf4
- 2.Rxf4#
- 1...Sxd6
- 2.Sxd6#
- 1...Sb5
- 2.Qxc6#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rg5
- 2.fxg5#
- 1...Rh5
- 2.f5#
- 1...b3
- 2.Sxc3#
- 1...b5
- 2.Sc5#
- 1...Se7!
- 1...Rxe5+
- 1.Qxc6?
- Keys
- 1.dxc6!
- 1...Rxe5+
- 2.fxe5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxe3
- 2.c3#
- 1...Rxc4
- 2.c3#
- 1...Rxf4
- 2.Rxf4#
- 1...Sxc6
- 2.Qxc6#
- 1...Sb5
- 2.c7#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rg5
- 2.fxg5#
- 1...Rh5
- 2.f5#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...b3
- 2.Sxc3#
- 1...b5
- 2.Sc5#
- 1...Rxe5+
- 1.dxc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
- R(a);OGATE::B(A)+P(C)
- R(a);OGATE::B(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);OGATE,P_SPINR(a),XP(E)::B(A)+P(C)
- R(a);OGATE,XP(G)::B(A)+P(C)
- R(d);OGATE,P_SPINR(d),XP(H)::R1(I),XR(d)
- R(d);CHECK,OGATE,XP(K)::R(I)+P(H),XR(d)
- R(d);OGATE::R(I)+P(H),XR(d)
- R(d);OGATE::R(I)+P(H)
- R(d);CHECK,XP(M)::S(O),XR(d)
- S(h);N_GUARD::S(O),XS(h)
- S(h);N_GUARD::S(O)
- P(b);N_GUARD::S(F),XR(a)
- P(e);N_GUARD::S(F)
- P(f);OGATE,P_SPINP(f),XP(J)::QAB1(N),XP(f)
- Tries
- Try
- Q(N);XP(f)
- Vars
- R(d);CHECK,OGATE,XP(K)::R(I)+P(H),XR(d)
- R(d);CHECK,XP(M)::S(O),XR(d)
- R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
- R(a);OGATE,P_SPINR(a),XP(E)::B(A)+P(C)
- R(d);OGATE,P_SPINR(d),XP(H)::R1(I),XR(d)
- S(g);N_GUARD::QAB(N)+P(J)
- R(a);OGATE::B(A)+P(C)
- R(a);OGATE::B(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(d);OGATE::R(I)+P(H),XR(d)
- R(d);OGATE::R(I)+P(H)
- S(h);N_GUARD::S(O),XS(h)
- S(h);N_GUARD::S(O)
- P(b);N_GUARD::S(F),XR(a)
- P(e);N_GUARD::S(F)
- Refutation
- S(g);XQ(N)
- Try
- P(J);P_PINP(f)
- Vars
- R(d);CHECK,OGATE,XP(K)::R(I)+P(H),XR(d)
- R(d);CHECK,XP(M)::S(O),XR(d)
- R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
- R(a);OGATE,P_SPINR(a),XP(E)::B(A)+P(C)
- R(a);OGATE,XP(G)::B(A)+P(C)
- R(d);OGATE,P_SPINR(d),XP(H)::R1(I),XR(d)
- S(h);XP(J)::S(O),XS(h)
- S(g);N_GUARD::QAB(N),XP(f)
- R(a);OGATE::B(A)+P(C)
- R(a);OGATE::B(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(d);OGATE::R(I)+P(H),XR(d)
- R(d);OGATE::R(I)+P(H)
- P(b);N_GUARD::S(F),XR(a)
- P(e);N_GUARD::S(F)
- Refutation
- S(h);
- Try
- Actual
- P(J);XP(f)
- Vars
- R(d);CHECK,OGATE,XP(K)::R(I)+P(H),XR(d)
- R(d);CHECK,XP(M)::S(O),XR(d)
- R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
- R(a);OGATE,P_SPINR(a),XP(E)::B(A)+P(C)
- R(a);OGATE,XP(G)::B(A)+P(C)
- R(d);OGATE,P_SPINR(d),XP(H)::R1(I),XR(d)
- S(g);OGATE,P_SPINS(g),XP(J)::QAB(N),XS(g)
- S(g);N_GUARD::QAB(N)+P(J)
- R(a);OGATE::B(A)+P(C)
- R(a);OGATE::B(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(d);OGATE::R(I)+P(H),XR(d)
- R(d);OGATE::R(I)+P(H)
- S(h);N_GUARD::S(O),XS(h)
- S(h);N_GUARD::S(O)
- P(b);N_GUARD::S(F),XR(a)
- P(e);N_GUARD::S(F)
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).