MESON Chess Problem Database
Problem Display
PID: 1175 (n2b1R2/1K2Prr1/3B1kpP/1P4N1/3NR2P/2p3P1/6q1/Q6n w - - 0 1)
Kapros, Jorge Marcelo
Problem Observer, 1996
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Re6#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qg1
- 2.Rf4#
- 2.Re6#
- 1...Qa2
- 2.Rf4#
- 1...Qb2
- 2.Rf4#
- 2.Re6#
- 1...Qc2
- 2.Re6#
- 1...Qd2
- 2.Re6#
- 1...Qe2
- 2.Rf4#
- 1...Qf2
- 2.Re6#
- 1...Qh2
- 2.Rf4#
- 2.Re6#
- 1...Qxg3
- 2.Re6#
- 1...Rh7
- 2.Sxh7#
- 1...Rg8
- 2.Sh7#
- 2.Rxf7#
- 1...Bc7
- 2.e8S#
- 1...Bxe7
- 2.Be5#
- 2.Bxe7#
- 1...Sc7
- 2.exd8Q#
- 2.exd8B#
- 1...Qf1
- Tries
- 1.Kc6?
- threat
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxg3
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Bxe7
- 2.Be5#
- 2.Bxe7#
- 1...Sxg3
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf1
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf3
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qh3
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qg1
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qa2
- 2.Rf4#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qb2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qc2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qd2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qe2
- 2.Rf4#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qh2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rh7
- 2.Sxh7#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rg8
- 2.Sh7#
- 2.Rxf7#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Ba5
- 2.e8S#
- 1...Bb6
- 2.e8S#
- 1...Bc7
- 2.e8S#
- 1...Sf2
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Sb6
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Sc7
- 2.exd8Q#
- 2.exd8B#
- 1...c2
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rxf8!
- threat
- 1.Kb8?
- threat
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qxe4
- 2.Sxe4#
- 1...Qxg3
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rxf8
- 2.Rf4#
- 2.Re6#
- 1...Bxe7
- 2.Be5#
- 2.Bxe7#
- 2.Rf4#
- 2.Re6#
- 1...Sxg3
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf1
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf3
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qg1
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qa2
- 2.Rf4#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qb2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qc2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qd2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qe2
- 2.Rf4#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qf2
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Qh2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rh7
- 2.Sxh7#
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Rg8
- 2.Sh7#
- 2.Rf4#
- 2.Re6#
- 2.Rxf7#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Ba5
- 2.Rf4#
- 2.Re6#
- 2.e8S#
- 1...Bb6
- 2.Rf4#
- 2.Re6#
- 2.e8S#
- 1...Sf2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Sb6
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...c2
- 2.Rf4#
- 2.Re6#
- 2.exd8Q#
- 2.exd8B#
- 2.e8S#
- 1...Bc7+!
- threat
- 1.Qf1+?
- 1...Qxf1
- 2.Re6#
- 1...Qf3
- 2.Qxf3#
- 1...Qf2
- 2.Re6#
- 1...Sf2!
- 1...Qxf1
- 1.Qa2?
- threat
- 2.Qe6#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxa2
- 2.Rf4#
- 1...Sc7
- 2.exd8Q#
- 2.exd8B#
- 1...Qh3!
- threat
- 1.Kc6?
- Keys
- 1.Qa3!
- threat
- 2.Be5#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxg3
- 2.Re6#
- 1...Bc7
- 2.e8S#
- threat
- 1.Qa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(b);N_PINR(D)::R1(D)
- Q(b);CHECK,XR(D)::S(G),XQ(b)
- Q(b);N_PINR(D)::R(D)
- Q(b);N_PINR(D),XP(B)::R1(D)
- R(g);N_GUARD::S(G),XR(g)
- B(i);N_PINP(K)::P=S
- S(h);N_PINP(K)::PXB(i)=Q
- Tries
- Try
- K(J);N_SPINP(K),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,XR(D)::S(G),XQ(b)
- B(i);::P=S
- S(h);::PXB(i)=Q
- Refutation
- R(f);N_SPINR(f),XR(L)
- Try
- K(J);N_SPINP(K),N_SPINR(D),P-FLIGHT
- Threat
- DUALS(5)
- Vars
- Q(b);XR(D)::S(G),XQ(b)
- Refutation
- B(i);CHECK
- Try
- Q(A);CHECK
- Vars
- Q(b);N_PINR(D),XQ(A)::R1(D)
- Q(b);N_GUARD,P_SPINQ(b)::QAR(A),XQ(b)
- Q(b);N_PINR(D),P_SPINQ(b)::R1(D)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(b);CHECK,XR(D)::S(G),XQ(b)
- Q(b);N_PINR(D),XQ(A)::R(D)
- S(h);N_PINP(K)::PXB(i)=Q
- Refutation
- Q(b);N_PINR(D)
- Try
- Actual
- Q(A);
- Threat
- B(H)
- Vars
- Q(b);CHECK,XR(D)::S(G),XQ(b)
- Q(b);N_PINR(D),XP(B)::R1(D)
- B(i);N_PINP(K)::P=S
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).