MESON Chess Problem Database
Problem Display
PID: 174502 (2B5/4N3/N2kP3/4n1Q1/4P3/3P1PR1/1K5B/3R4 w - - 0 1)
Volchek, Viktor Fedorovich
3rd Prize, Albino 034. TT, 2007
#2
12 + 2
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sxd3+
- 2.Rxd3#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4+
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sxd3+
- Tries
- 1.Ka1?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Kb1?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Kc1?
- 1...Sxd3+
- 2.Rxd3#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3+
- 1.Ka2?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Kc2?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Ka3?
- 1...Sc4+
- 2.dxc4#
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sc4+
- 1.Kb3?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Kc3?
- 1...Sxd3
- 2.Rxd3#
- 2.Rgg1#
- 2.Rg2#
- 2.Rh3#
- 2.Rg4#
- 2.Qc5#
- 2.e5#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 2.dxc4#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3
- 1.Bg1?
- threat
- 2.Bc5#
- 1...Sxd3+
- 2.Rxd3#
- 1...Sc4+
- 2.dxc4#
- 1...Sd7!
- threat
- 1.Bd7?
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Sxd3+
- 2.Rxd3#
- 1...Sc4+
- 2.dxc4#
- 1...Sxf3
- 2.Sc8#
- 2.Rxf3#
- 2.Qc5#
- 1...Sg4
- 2.Sc8#
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Sc8#
- 2.Qc5#
- 1...Sg6
- 2.Sc8#
- 2.Qc5#
- 1...Sf7
- 2.Sc8#
- 2.Qc5#
- 1...Sxd7!
- threat
- 1.Rd2?
- 1...Sxd3+
- 2.Rxd3#
- 1...Sc4+
- 2.dxc4#
- 1...Sxf3
- 2.Rxf3#
- 2.Qc5#
- 1...Sg4
- 2.Rxg4#
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- 1...Sxd3+
- 1.f4?
- threat
- 2.fxe5#
- 1...Sxd3+
- 2.Rdxd3#
- 2.Rgxd3#
- 1...Sc4+
- 2.dxc4#
- 1...Sf3
- 2.Qc5#
- 1...Sg4
- 2.Qc5#
- 1...Sc6
- 2.Sf5#
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- 1...Sd7!
- threat
- 1.Ka1?
- Keys
- 1.Qf6!
- 1...Sxd3+
- 2.Rxd3#
- 1...Sc4+
- 2.dxc4#
- 1...Sxf3
- 2.Rxf3#
- 1...Sg4
- 2.Rxg4#
- 1...Sc6
- 2.Sf5#
- 1...Sg6
- 2.Rxg6#
- 1...Sd7
- 2.exd7#
- 1...Sf7
- 2.exf7#
- 1...Sxd3+
- 1.Qf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- S(a);OGATE::QAB1(H)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);S_FLIGHT
- Vars
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);S_FLIGHT
- Vars
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- K(B);S_FLIGHT
- Vars
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- B(C);
- Threat
- B(C)
- Vars
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- Refutation
- S(a);
- Try
- B(L);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- Refutation
- S(a);XB(L)
- Try
- R(A);
- Vars
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- P(E);
- Threat
- P(E),XS(a)
- Vars
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- S(a);OGATE::QAB1(H)
- Refutation
- S(a);
- Try
- Actual
- Q(H);
- Vars
- S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R(A),XS(a)
- S(a);CHECK,OGATE::R(A)+P(D),XS(a)
- S(a);OGATE,XP(E)::B(C)+R(F),XS(a)
- S(a);OGATEB::B(C)+R(F),XS(a)
- S(a);SBLOCK::S(K)
- S(a);OGATE::QAR(H)+P(J),XS(a)
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).