MESON Chess Problem Database
Problem Display
PID: 163687 (2n4N/1R2n2p/2b4k/K1Q1B2q/3P4/5N2/3P4/7R w - - 0 1)
Dikusarov, Andrey Nikolayovich
Sachova skladba, 2006
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sd5
- 2.Bg7#
- 2.Qf8#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- 2.Bg7#
- 1...Sg8
- 2.Bf4#
- 2.Bg7#
- 2.Qf8#
- 1...Qh2
- Tries
- 1.Bf6?
- threat
- 2.Rxh5#
- 2.Qg5#
- 2.Qxh5#
- 1...Qxh1
- 2.Qg5#
- 1...Bxf3
- 2.Qg5#
- 1...Qh2
- 2.Rxh2#
- 2.Qg5#
- 1...Qh3
- 2.Rxh3#
- 2.Qg5#
- 1...Qh4
- 2.Rxh4#
- 2.Qg5#
- 1...Be8
- 2.Qg5#
- 1...Sd5
- 2.Bg5#
- 2.Bg7#
- 2.Qf8#
- 1...Sf5
- 2.Bg5#
- 1...Bd5!
- threat
- 1.Rxe7?
- threat
- 2.Bf4#
- 2.Bg7#
- 2.Re6#
- 1...Qxh1
- 2.Bf4#
- 2.Bg7#
- 1...Bxf3
- 2.Bf4#
- 2.Bg7#
- 1...Qh2
- 2.Bf4#
- 2.Bg7#
- 2.Rxh2#
- 1...Qh3
- 2.Bf4#
- 2.Bg7#
- 2.Rxh3#
- 1...Qh4
- 2.Bf4#
- 2.Bg7#
- 2.Rxh4#
- 1...Be4
- 2.Bf4#
- 2.Bg7#
- 1...Bd5
- 2.Bf4#
- 2.Bg7#
- 1...Bd7
- 2.Bf4#
- 2.Bg7#
- 1...Be8
- 2.Bf4#
- 2.Bg7#
- 1...Sxe7!
- threat
- 1.Qa3?
- threat
- 2.Qe3#
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sd5
- 2.Bg7#
- 2.Qf8#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- 1...Qxh1!
- threat
- 1.Qd6+?
- 1...Sg6
- 2.Sf7#
- 1...Sxd6!
- 1...Sg6
- 1.Qxe7?
- threat
- 2.Qg5#
- 2.Qf6#
- 2.Qf8#
- 2.Qe6#
- 2.Qg7#
- 2.Qxh7#
- 1...Qxh1
- 2.Qg5#
- 2.Qxh7#
- 1...Bxf3
- 2.Qf6#
- 2.Qg7#
- 1...Bxb7
- 2.Qg5#
- 2.Qf6#
- 2.Qf8#
- 2.Qe6#
- 2.Qg7#
- 1...Qh2
- 2.Rxh2#
- 2.Qg5#
- 2.Qxh7#
- 1...Qh3
- 2.Rxh3#
- 2.Qg5#
- 2.Qxh7#
- 1...Qh4
- 2.Rxh4#
- 2.Qxh4#
- 2.Qg5#
- 2.Qxh7#
- 1...Be4
- 2.Qg5#
- 2.Qf8#
- 2.Qg7#
- 1...Bd5
- 2.Bf4#
- 2.Bg7#
- 2.Qg5#
- 2.Qf6#
- 2.Qf8#
- 2.Qg7#
- 2.Qxh7#
- 1...Bd7
- 2.Qg5#
- 2.Qf6#
- 2.Qf8#
- 2.Qg7#
- 1...Be8
- 2.Qg5#
- 2.Qf8#
- 2.Qg7#
- 2.Qxh7#
- 1...Sxe7!
- threat
- 1.Qc3?
- threat
- 2.Qe3#
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sd5
- 2.Bg7#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- 1...Qxh1!
- threat
- 1.d3?
- threat
- 2.Qc1#
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sd5
- 2.Bg7#
- 2.Qf8#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- 2.Bg7#
- 1...Qxh1!
- threat
- 1.d5?
- threat
- 2.Qe3#
- 1...Sxd5
- 2.Bg7#
- 2.Qf8#
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- 2.Bg7#
- 1...Qxh1!
- threat
- 1.Bf6?
- Keys
- 1.Qc1!
- threat
- 2.d3#
- 1...Qxh1
- 2.Qxh1#
- 1...Qh2
- 2.Rxh2#
- 1...Qh3
- 2.Rxh3#
- 1...Qh4
- 2.Rxh4#
- 1...Sd5
- 2.Bg7#
- 1...Sf5
- 2.Bf4#
- 1...Sg6
- 2.Sf7#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(a);OGATEB::R(A),XQ(a)
- S(d);::B(G)
- Tries
- Try
- B(G);P_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- Q(a);N_PINQ(F),N_SPINQ(a),XR(A)::QAB1(F)
- B(b);XS(C)::QAB1(F)
- B(b);::QAB1(F)
- S(d);N_PINQ(F)::B(G)
- Refutation
- B(b);N_PINQ(F)
- Try
- R(H);XS(d)
- Threat
- DUALS(3)
- Refutation
- S(f);XR(H)
- Try
- Q(F);P_SPINB(G)
- Threat
- QAB(F)
- Vars
- Q(a);N_PINB(G),OGATEB::R(A),XQ(a)
- S(d);N_PINB(G)::B(G)
- S(d);SBLOCK::S(I)
- Refutation
- Q(a);N_PINB(G),N_SPINQ(a),XR(A)
- Try
- Q(F);CHECK,P_SPINB(G)
- Vars
- S(d);P_SPINS(d)::S(I)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);P_SPINB(G),XS(d)
- Threat
- DUALS(6)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);P_SPINB(G)
- Threat
- QAB(F)
- Vars
- Q(a);N_PINB(G),OGATEB::R(A),XQ(a)
- S(d);N_PINB(G)::B(G)
- S(d);SBLOCK::S(I)
- Refutation
- Q(a);N_PINB(G),N_SPINQ(a),XR(A)
- Try
- P(B);
- Threat
- QAB(F)
- Vars
- Q(a);OGATEB::R(A),XQ(a)
- S(d);::B(G)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- P(D);
- Threat
- QAB(F)
- Vars
- Q(a);OGATEB::R(A),XQ(a)
- S(d);::B(G)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- Actual
- Q(F);P_SPINB(G)
- Threat
- QAB(F)+P(B)
- Vars
- Q(a);N_PINB(G),N_SPINQ(a),OGATE,XR(A)::QAR(F),XQ(a)
- Q(a);N_PINB(G),OGATEB::R(A),XQ(a)
- S(d);N_PINB(G)::B(G)
- S(d);SBLOCK::S(I)
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).