MESON Chess Problem Database
Problem Display
PID: 259722 (8/1Pr1Pn2/KN2pr2/2P1kP2/2Qp2BB/4PPP1/4n3/3R1b2 w - - 0 1)
Gomez, Luis
Tolosa-100 MT (Problemas), 2016
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Qxc5#
- 1...Rd7
- 2.Sxd7#
- 1...Rc8
- 2.Sd7#
- 1...Sc1
- 2.exd4#
- 1...Sg1
- 2.exd4#
- 1...Sc3
- 2.exd4#
- 1...Sxg3
- 2.Bxg3#
- 1...Sf4
- 2.exd4#
- 2.exf4#
- 2.gxf4#
- 1...dxe3
- 2.Qe4#
- 1...d3
- 2.Qe4#
- 1...exf5
- 2.Qd5#
- 1...Rxc5
- Tries
- 1.f4+?
- 1...Ke4
- 2.Qd3#
- 1...Sxf4!
- 1...Ke4
- 1.fxe6?
- threat
- 2.Qd5#
- 1...Rxc5
- 2.Qxc5#
- 1...Rd7
- 2.Sxd7#
- 1...Sc1
- 2.exd4#
- 1...Sg1
- 2.exd4#
- 1...Sc3
- 2.exd4#
- 1...Sf4
- 2.exd4#
- 1...Sxg3!
- threat
- 1.b8Q?
- threat
- 2.Sd7#
- 1...exf5
- 2.Qd5#
- 1...Sd6!
- threat
- 1.b8B?
- threat
- 2.Sd7#
- 1...exf5
- 2.Qd5#
- 1...Sd6!
- threat
- 1.e8Q?
- threat
- 2.Qd5#
- 1...Rxc5
- 2.Qxc5#
- 1...Sxg3
- 2.Bxg3#
- 1...Rd7
- 2.Sxd7#
- 1...Sc1
- 2.exd4#
- 1...Sg1
- 2.exd4#
- 1...Sc3
- 2.exd4#
- 1...Sf4
- 2.exd4#
- 2.exf4#
- 2.gxf4#
- 1...Re7!
- threat
- 1.e8R?
- threat
- 2.Qd5#
- 1...Rxc5
- 2.Qxc5#
- 1...Sxg3
- 2.Bxg3#
- 1...Rd7
- 2.Sxd7#
- 1...Sc1
- 2.exd4#
- 1...Sg1
- 2.exd4#
- 1...Sc3
- 2.exd4#
- 1...Sf4
- 2.exd4#
- 2.exf4#
- 2.gxf4#
- 1...Re7!
- threat
- 1.f4+?
- Keys
- 1.Re1!
- threat
- 2.exd4#
- 1...Rxc5
- 2.Qxc5#
- 1...Sxg3
- 2.Bxg3#
- 1...dxe3
- 2.Qe4#
- 1...Rd7
- 2.Sxd7#
- 1...d3
- 2.Qe4#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(g);OGATE,XP(H)::QAR2(E),XR(g)
- R(g);N_GUARD::S(K),XR(g)
- R(g);N_GUARD::S(K)
- S(b);N_GUARD,P_PINQ(E)::P(B),XP(c)
- S(b);OGATE,P_PINQ(E),XP(D)::B(G),XS(b)
- P(c);OGATE,XP(B)::QAR1(E)
- P(c);OGATE::QAR1(E)
- P(e);N_GUARD,P_PINS(K),XP(I)::QAR1(E)
- Tries
- Try
- P(C);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(c),S_CUTS(b)::QAB1(E)
- Refutation
- S(b);P_PINQ(E),XP(C)
- Try
- P(I);XP(e)
- Threat
- QAR1(E)
- Vars
- R(g);OGATE,XP(H)::QAR2(E),XR(g)
- R(g);N_GUARD::S(K),XR(g)
- S(b);N_GUARD,P_PINQ(E)::P(B),XP(c)
- Refutation
- S(b);P_PINQ(E),XP(D)
- Try
- P(L);P_PINR(g)
- Threat
- S(K)
- Vars
- P(e);N_GUARD,P_PINS(K),XP(I)::QAR1(E)
- Refutation
- S(h);N_SPINR(g)
- Try
- P(L);P_PINR(g)
- Threat
- S(K)
- Vars
- P(e);N_GUARD,P_PINS(K),XP(I)::QAR1(E)
- Refutation
- S(h);N_SPINR(g)
- Try
- P(M);P_PINP(e)
- Threat
- QAR1(E)
- Vars
- R(g);OGATE,XP(H)::QAR2(E),XR(g)
- S(b);OGATE,P_PINQ(E),XP(D)::B(G),XS(b)
- R(g);N_GUARD::S(K),XR(g)
- S(b);N_GUARD,P_PINQ(E)::P(B),XP(c)
- Refutation
- R(g);N_SPINP(e)
- Try
- P(M);P_PINP(e)
- Threat
- QAR1(E)
- Vars
- R(g);OGATE,XP(H)::QAR2(E),XR(g)
- S(b);OGATE,P_PINQ(E),XP(D)::B(G),XS(b)
- R(g);N_GUARD::S(K),XR(g)
- S(b);N_GUARD,P_PINQ(E)::P(B),XP(c)
- Refutation
- R(g);N_SPINP(e)
- Try
- Actual
- R(A);
- Threat
- P(B),XP(c)
- Vars
- R(g);OGATE,XP(H)::QAR2(E),XR(g)
- S(b);OGATE,P_PINQ(E),XP(D)::B(G),XS(b)
- P(c);OGATE,XP(B)::QAR1(E)
- R(g);N_GUARD::S(K),XR(g)
- P(c);OGATE::QAR1(E)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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