MESON Chess Problem Database
Problem Display
PID: 252643 (b1Bb4/4RK2/4N3/R2qrk2/5p1P/3P3P/6P1/1Q6 w - - 0 1)
Perrone, Gaspar J
SEPA-80 JT (Problemas), 2013-2014
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Sd4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 1...Qf3
- 2.Sd4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 1...Qe4
- 2.Sd4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 1...Qc6
- 2.Sd4#
- 2.Sg7#
- 1...Qxe6+
- 2.Bxe6#
- 1...Qb7
- 2.Sd4#
- 2.Sg7#
- 1...Qxd3
- 2.Sg5#
- 1...Qd4
- 2.Sxd4#
- 2.Sg7#
- 1...Qxa5
- 2.Sd4#
- 2.Sg7#
- 1...Qb5
- 2.Sd4#
- 2.Sg7#
- 1...Qc5
- 2.Sd4#
- 2.Sg7#
- 1...Qd6
- 2.Sd4#
- 2.Sg7#
- 1...Qd7
- 2.Sd4#
- 2.Sg7#
- 1...Rxe6
- 2.d4#
- 1...f3
- 2.g4#
- 1...Qxg2
- Tries
- 1.Rxd5?
- threat
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 2.d4#
- 1...Rxd5
- 2.Sd4#
- 2.Sg7#
- 2.d4#
- 1...Bxe7
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.d4#
- 1...Bc6
- 2.Sd4#
- 2.Sg7#
- 2.d4#
- 1...Bb7
- 2.Sd4#
- 2.Sg7#
- 2.d4#
- 1...Ba5
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.d4#
- 1...Bb6
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.d4#
- 1...Bc7
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.d4#
- 1...f3
- 2.g4#
- 2.d4#
- 1...Bxd5!
- threat
- 1.Qb4?
- threat
- 2.Qxf4#
- 1...Qxe6+
- 2.Bxe6#
- 1...Rxe6
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Qf3
- 2.Sd4#
- 2.Sxf4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 1...Qe4
- 2.Sd4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 1...Qd4
- 2.Sxd4#
- 2.Sg7#
- 1...f3
- 2.Qf4#
- 2.Qg4#
- 2.g4#
- 1...Qc4!
- threat
- 1.d4+?
- 1...Qe4
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sxd8#
- 2.Sf8#
- 2.Rxe5#
- 1...Re4!
- 1...Qe4
- 1.Rxd5?
- Keys
- 1.Kg7!
- threat
- 2.Sd4#
- 1...Qxg2+
- 2.Sg5#
- 1...Qxe6
- 2.Bxe6#
- 1...Qxd3
- 2.Sg5#
- 1...Rxe6
- 2.d4#
- 1...Qd4
- 2.Sxd4#
- 1...f3
- 2.g4#
- threat
- 1.Kg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(b);CHECK,OGATE,P_SPINQ(b),P_SPINR(c),XS(G)::B(J),XQ(b)
- Q(b);N_PINS(G),P_SPINQ(b),P_SPINR(c),XP(C)::B(J)+S(G)
- R(c);N_GUARD,P_SPINQ(b),P_SPINR(c),XS(G)::QAB(A)+P(C)
- P(a);N_GUARD::P(B)
- Tries
- Try
- R(F);N_SPINS(G),P_PINR(c),XQ(b)
- Threat
- DUALS(8)
- Refutation
- B(e);N_SPINR(c),P_PINS(G),XR(F)
- Try
- Q(A);
- Threat
- QAR1(A),XP(a)
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),P_SPINR(c),XS(G)::B(J),XQ(b)
- R(c);N_GUARD,P_SPINQ(b),P_SPINR(c),XS(G)::QAB1(A)
- R(c);N_GUARD,P_SPINQ(b)::QAB1(A),XR(c)
- Refutation
- Q(b);P_SPINR(c)
- Try
- P(C);CHECK
- Refutation
- R(c);P_SPINQ(b),P_SPINR(c)
- Try
- Actual
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- B(J)+S(G),DCHECK
- Vars
- Q(b);CHECK,N_GUARD,P_SPINR(c),XP(B)::B(J)+S(G)
- Q(b);OGATE,P_SPINQ(b),P_SPINR(c),XS(G)::B(J),XQ(b)
- Q(b);N_GUARD,P_SPINQ(b),P_SPINR(c),XP(C)::B(J)+S(G)
- R(c);N_GUARD,P_SPINQ(b),P_SPINR(c),XS(G)::QAB(A)+P(C)
- Q(b);P_SPINR(c)::B(J)+S(G),DCHECK,XQ(b)
- P(a);N_GUARD::P(B)
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).