MESON Chess Problem Database
Problem Display
PID: 270825 (2n1R2K/3P1kB1/3P2pP/3rpN1Q/3p4/1n5N/b4P2/2qB1R2 w - - 0 1)
Pique, Juan Ramon
Garzon-60 JT (Problemas), 2023
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Sg5#
- 1...Qa3
- 2.Sg5#
- 1...Qg5
- 2.Sxg5#
- 1...Qxh6+
- 2.Sxh6#
- 1...Qa1
- 2.Sg5#
- 1...Qb1
- 2.Sg5#
- 1...Qxd1
- 2.Sg5#
- 1...Qc2
- 2.Sg5#
- 1...Qc3
- 2.Sg5#
- 1...Qc4
- 2.Sg5#
- 1...Qc5
- 2.Sg5#
- 1...Qc6
- 2.Sg5#
- 1...Qc7
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sb6
- 2.Re7#
- 1...Sxd6
- 2.Re7#
- 1...Sa7
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...gxh5
- 2.Bxh5#
- 1...Qb2
- Tries
- 1.Kh7?
- threat
- 2.Qxg6#
- 1...Qxh6+
- 2.Sxh6#
- 1...gxh5
- 2.Bxh5#
- 1...Se7
- 2.Rxe7#
- 1...Qg5
- 2.Sxg5#
- 1...Rxd6!
- threat
- 1.Rg1?
- threat
- 2.Qxg6#
- 1...Qxh6+
- 2.Sxh6#
- 1...gxh5
- 2.Bxh5#
- 1...Se7
- 2.Rxe7#
- 1...Qg5
- 2.Sxg5#
- 1...Rxd6!
- threat
- 1.Qf3?
- threat
- 2.Se3#
- 2.Qxd5#
- 1...Qxh6+
- 2.Sxh6#
- 1...Qxd1
- 2.Sg5#
- 2.Qxd5#
- 1...Rxd6
- 2.Sxd6#
- 1...Sxd6
- 2.Sxd6#
- 2.Re7#
- 2.Qxd5#
- 1...gxf5
- 2.Qh5#
- 2.Qxf5#
- 1...Se7
- 2.Rxe7#
- 1...g5
- 2.Qh5#
- 1...Qe3
- 2.Sxe3#
- 2.Qxd5#
- 1...Qf4
- 2.Qxd5#
- 1...Qg5
- 2.Sxg5#
- 2.Qxd5#
- 1...Qb1
- 2.Sg5#
- 2.Qxd5#
- 1...Qc2
- 2.Sg5#
- 2.Qxd5#
- 1...Qc4
- 2.Sg5#
- 2.Se3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 1...Qc5
- 2.Sg5#
- 2.Se3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 1...Qc6
- 2.Sg5#
- 2.Se3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc5
- 2.Se3#
- 1...Bb1
- 2.Qxd5#
- 1...Sa1
- 2.Se3#
- 1...Sd2
- 2.Sg5#
- 1...Sa5
- 2.Se3#
- 1...Sc5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 2.Re7#
- 1...e4!
- threat
- 1.Qh4?
- threat
- 2.Qf6#
- 1...Qxh6+
- 2.Sxh6#
- 1...g5
- 2.Bh5#
- 2.Qh5#
- 1...Qg5
- 2.Sxg5#
- 1...Rxd6!
- threat
- 1.Qg5?
- threat
- 2.Qf6#
- 1...Qxg5
- 2.Sxg5#
- 1...Rxd6!
- threat
- 1.f4?
- threat
- 2.Sg5#
- 1...gxh5
- 2.Bxh5#
- 1...Qxf4!
- threat
- 1.dxc8Q?
- threat
- 2.Re7#
- 2.Rf8#
- 2.Qe6#
- 2.Qd7#
- 1...Qxh6+
- 2.Sxh6#
- 1...Rxd6
- 2.Sxd6#
- 2.Re7#
- 2.Rf8#
- 1...gxh5
- 2.Bxh5#
- 2.Qe6#
- 1...Qg5
- 2.Sxg5#
- 2.Rf8#
- 2.Qe6#
- 1...Qc6
- 2.Sg5#
- 2.Re7#
- 2.Rf8#
- 2.Qe6#
- 1...Qc7
- 2.Sg5#
- 2.Rf8#
- 2.Qe6#
- 1...Sc5
- 2.Re7#
- 2.Rf8#
- 1...Qxc8!
- threat
- 1.dxc8R?
- threat
- 2.Re7#
- 1...Qxh6+
- 2.Sxh6#
- 1...gxh5
- 2.Bxh5#
- 1...Qg5
- 2.Sxg5#
- 1...Qc7
- 2.Sg5#
- 1...Qxc8!
- threat
- 1.Kh7?
- Keys
- 1.Se3!
- threat
- 2.Sg5#
- 2.Qf3#
- 1...Qxe3
- 2.fxe3#
- 1...Qxd1
- 2.Sg5#
- 1...Rxd6
- 2.Sg5#
- 1...Sxd6
- 2.Sg5#
- 1...gxh5
- 2.Bxh5#
- 1...Se7
- 2.Sg5#
- 2.Rxe7#
- 1...Qb1
- 2.Sg5#
- 1...Qc2
- 2.Sg5#
- 1...Bb1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...e4
- 2.Qxd5#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- Q(a);N_GUARD,XB(A)::S(D)
- S(c);S_CUTQ(a)::S(D)
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD,XP(G)::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- Tries
- Try
- K(L);P-FLIGHT
- Threat
- QAB1(F),XP(g)
- Vars
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- S(i);N_GUARD::R1(K),XS(i)
- Q(a);N_GUARD::S(D),XQ(a)
- Refutation
- R(e);XP(G)
- Try
- R(B);
- Threat
- QAB1(F),XP(g)
- Vars
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- S(i);N_GUARD::R1(K),XS(i)
- Q(a);N_GUARD::S(D),XQ(a)
- Refutation
- R(e);XP(G)
- Try
- Q(F);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XP(H)::QAR(F)+S(E),DCHECK,XQ(a)
- R(e);XP(G)::QAR(F)+S(E),DCHECK,XR(e)
- S(i);N_GUARD::R1(K),XS(i)
- P(g);OGATEB::QAB(F)
- Q(a);::QAB(F),XR(e)
- R(e);::QAR(F)+S(E)
- B(b);::QAB(F),XR(e)
- S(c);::QAR(F)+S(E)
- S(c);S_CUTQ(a)::S(D)
- Refutation
- P(f);
- Try
- Q(F);N_PINP(g)
- Threat
- QAR1(F)
- Vars
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- Q(a);N_GUARD::S(D),XQ(a)
- Refutation
- R(e);XP(G)
- Try
- Q(F);N_PINP(g)
- Threat
- QAR1(F)
- Vars
- Q(a);XQ(F)::S(D),XQ(a)
- Refutation
- R(e);XP(G)
- Try
- P(C);
- Threat
- S(D)
- Vars
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- Refutation
- Q(a);XP(C)
- Try
- P(I);XS(i)
- Threat
- DUALS(4)
- Vars
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- Refutation
- Q(a);P_PINR(K),XQ(I)
- Try
- P(I);XS(i)
- Threat
- R1(K)
- Vars
- Q(a);CHECK,XP(H)::S(E),XQ(a)
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD::S(D)
- Refutation
- Q(a);P_PINR(K),XR(I)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(a);OGATE,XS(E)::R(B)+P(C),XQ(a)
- Q(a);XB(A)::S(D)
- R(e);XP(G)::S(D)
- S(i);XP(G)::S(D)
- P(g);N_SPINP(g),OGATE,XQ(F)::B(A),XP(g)
- Q(a);::S(D)
- B(b);::S(D)
- S(c);::S(D)
- P(f);OGATE::QAB(F),XR(e)
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).