MESON Chess Problem Database
Problem Display
PID: 265272 (7K/P2N2Pb/1R6/1nBk2b1/rPNP2rp/2p2n1Q/2P5/4RB2 w - - 0 1)
Morenilla, Jose Carlos
Coello-75 JT (Problemas), 2017
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rg1
- 2.Qe6#
- 1...Rg2
- 2.Qe6#
- 1...Rg3
- 2.Qe6#
- 1...Rxd4
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Bc1
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 1...Be3
- 2.Sf6#
- 1...Bf4
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bh6
- 2.Sf6#
- 1...Bxc2
- 2.g8Q#
- 2.g8B#
- 1...Bd3
- 2.g8Q#
- 2.g8B#
- 1...Be4
- 2.g8Q#
- 2.g8B#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sfxd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa3
- 2.Rd6#
- 1...Sbxd4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sxa7
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...Rxb4
- Tries
- 1.Sb2?
- threat
- 2.Bc4#
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Qe6#
- 1...cxb2
- 2.c4#
- 1...Be3
- 2.Sf6#
- 1...Bd3
- 2.g8Q#
- 2.g8B#
- 1...Sd2
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa3
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sxe1!
- threat
- 1.Se3+?
- 1...Bxe3
- 2.Sf6#
- 1...Ke4!
- 1...Bxe3
- 1.Sa5?
- threat
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Bxc2
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 2.g8Q#
- 2.g8B#
- 1...Sxe1
- 2.a8Q#
- 2.a8B#
- 1...Sfxd4
- 2.Bc4#
- 2.Re5#
- 1...Sbxd4
- 2.Bc4#
- 2.Rd6#
- 1...Sxa7
- 2.Bc4#
- 2.Rd6#
- 1...Be3
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Ra1
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Ra2
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Ra3
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Rg1
- 2.Bc4#
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Rg2
- 2.Bc4#
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Rg3
- 2.Bc4#
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Rf4
- 2.Bc4#
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.Sf6#
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bd2
- 2.Sf6#
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.Sf6#
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bf6
- 2.Sxf6#
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bh6
- 2.Sf6#
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Be7
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bd8
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bd3
- 2.a8Q#
- 2.a8B#
- 2.g8Q#
- 2.g8B#
- 1...Be4
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 2.g8Q#
- 2.g8B#
- 1...Bf5
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bg6
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Bg8
- 2.Bc4#
- 2.a8Q#
- 2.a8B#
- 1...Sg1
- 2.Bc4#
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Sd2
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Sh2
- 2.Bc4#
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Se5
- 2.Rxe5#
- 1...Sa3
- 2.Rd6#
- 2.a8Q#
- 2.a8B#
- 1...Sd6
- 2.Rxd6#
- 1...Sc7
- 2.Bc4#
- 2.Rd6#
- 1...Rxa5!
- threat
- 1.Sd6?
- threat
- 2.Bc4#
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Qe6#
- 1...Sxd6
- 2.Rxd6#
- 1...Se5
- 2.Rxe5#
- 1...Bd3
- 2.g8Q#
- 2.g8B#
- 1...Sd2
- 2.Re5#
- 1...Sa3!
- threat
- 1.Ra6?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Bxc2
- 2.a8Q#
- 2.a8B#
- 2.g8Q#
- 2.g8B#
- 1...Sxe1
- 2.a8Q#
- 2.a8B#
- 1...Sfxd4
- 2.Re5#
- 1...Sbxd4
- 2.Rd6#
- 1...Sxa7
- 2.Rd6#
- 1...Be3
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Bd3
- 2.g8Q#
- 2.g8B#
- 1...Ra1
- 2.a8Q#
- 2.a8B#
- 1...Ra2
- 2.a8Q#
- 2.a8B#
- 1...Ra3
- 2.a8Q#
- 2.a8B#
- 1...Ra5
- 2.a8Q#
- 2.a8B#
- 1...Rg1
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Rg2
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Rg3
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.a8Q#
- 2.a8B#
- 1...Rf4
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Bd2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Bf6
- 2.Sxf6#
- 2.a8Q#
- 2.a8B#
- 1...Bh6
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Be7
- 2.a8Q#
- 2.a8B#
- 1...Bd8
- 2.a8Q#
- 2.a8B#
- 1...Be4
- 2.a8Q#
- 2.a8B#
- 2.g8Q#
- 2.g8B#
- 1...Bf5
- 2.a8Q#
- 2.a8B#
- 1...Bg6
- 2.a8Q#
- 2.a8B#
- 1...Bg8
- 2.a8Q#
- 2.a8B#
- 1...Sg1
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Sd2
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Sh2
- 2.Re5#
- 2.a8Q#
- 2.a8B#
- 1...Se5
- 2.Rxe5#
- 1...Sa3
- 2.Rd6#
- 2.a8Q#
- 2.a8B#
- 1...Sd6
- 2.Rxd6#
- 1...Sc7
- 2.Rd6#
- 1...Rxa6!
- threat
- 1.Qxg4?
- threat
- 2.Qe6#
- 1...Sfxd4
- 2.Re5#
- 1...Sbxd4
- 2.Rd6#
- 1...Bg8
- 2.Qxf3#
- 2.Qe4#
- 1...Sc7
- 2.Rd6#
- 1...Bf5!
- threat
- 1.Qxf3+?
- 1...Be4
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Re4!
- 1...Be4
- 1.Sb2?
- Keys
- 1.Sd2!
- threat
- 2.Bc4#
- 1...Rxb4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Qe6#
- 1...Bxd2
- 2.Sf6#
- 1...Sxd2
- 2.Re5#
- 1...cxd2
- 2.c4#
- 1...Bd3
- 2.g8Q#
- 2.g8B#
- 1...Se5
- 2.Rxe5#
- 1...Sa3
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- R(c);N_GUARD,XP(E)::P=Q
- R(d);OGATE::QAB1(D)
- R(d);OGATE,XP(G)::QAB1(D)
- B(h);N_GUARD::S(K)
- B(h);N_GUARD,P_PINP(L)::S(K),XB(h)
- B(i);N_GUARD,XP(C)::P=Q
- B(i);N_GUARD::P=Q
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD,XP(G)::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::R1(I)
- S(f);N_GUARD,XP(G)::R1(I)
- S(f);N_GUARD::R1(I),XS(f)
- S(f);N_GUARD,XP(J)::R1(I)
- Tries
- Try
- S(F);
- Threat
- B(B)
- Vars
- R(c);N_GUARD,XP(E)::P=Q
- R(d);OGATE,XP(G)::QAB1(D)
- P(a);OGATE,XS(F)::P(C)
- B(h);N_GUARD::S(K)
- B(i);N_GUARD::P=Q
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::R1(I)
- S(f);N_GUARD::R1(I),XS(f)
- Refutation
- S(b);XR(A)
- Try
- S(F);CHECK
- Vars
- B(h);XS(F)::S(K)
- Refutation
- K(g);S_FLIGHT
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(c);XP(E)::P=Q
- S(b);XR(A)::P=Q
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::R1(I),XS(f)
- Refutation
- R(c);XS(F)
- Try
- S(F);
- Threat
- B(B)
- Vars
- R(c);N_GUARD,XP(E)::P=Q
- R(d);OGATE,XP(G)::QAB1(D)
- S(f);OGATE,XS(F)::R1(I),XS(f)
- S(b);N_GUARD::R1(A),XS(b)
- B(i);N_GUARD::P=Q
- S(b);N_GUARD::R1(A)
- Refutation
- S(f);
- Try
- R(I);
- Threat
- P=Q
- Vars
- R(c);XP(E)::P=Q
- S(b);XR(A)::P=Q
- S(b);N_GUARD,XP(G)::R1(A)
- S(f);N_GUARD,XP(G)::R1(I)
- S(f);N_GUARD,XP(J)::R1(I)
- B(i);N_GUARD::P=Q
- R(c);::P=Q
- R(d);::P=Q
- B(h);::P=Q
- B(i);::P=Q
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::R1(I),XS(f)
- S(f);N_GUARD::R1(I)
- Refutation
- R(c);XR(I)
- Try
- Q(D);XR(d)
- Threat
- QAB1(D)
- Vars
- S(b);N_GUARD,XP(G)::R1(A)
- S(f);N_GUARD,XP(G)::R1(I)
- S(f);N_GUARD::R1(I)
- Refutation
- B(i);
- Try
- Q(D);CHECK,XS(b)
- Refutation
- R(d);P_SPINR(d)
- Try
- Actual
- S(F);
- Threat
- B(B)
- Vars
- R(c);N_GUARD,XP(E)::P=Q
- R(d);OGATE,XP(G)::QAB1(D)
- B(h);N_GUARD,XS(F)::S(K)
- S(b);N_GUARD,XS(F)::R1(A)
- P(a);OGATE,XS(F)::P(C)
- B(i);N_GUARD::P=Q
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::R1(I)
- S(f);N_GUARD::R1(I),XS(f)
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).