MESON Chess Problem Database
Problem Display
PID: 252790 (8/2p1K1p1/1pP2P2/B2NkbQ1/2r1N1R1/1p4q1/8/3R3B w - - 0 1)
Gomez, Luis
SEPA-80 JT (Problemas), 2013-2014
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qf4#
- 1...Qf4
- 2.Qxf4#
- 1...Qh4
- 2.Qf4#
- 1...Qg1
- 2.Qf4#
- 1...Qg2
- 2.Qf4#
- 1...Qc3
- 2.Qf4#
- 1...Qh3
- 2.Qf4#
- 1...Rxe4
- 2.Rxe4#
- 1...b5
- 2.Bxc7#
- 1...gxf6
- 2.Qxf6#
- 1...Qe1
- Tries
- 1.Sxg3?
- threat
- 2.Qxf5#
- 1...Rf4
- 2.Qxf4#
- 1...g6!
- threat
- 1.Sd6?
- threat
- 2.Sxc4#
- 2.Sf7#
- 2.Qxf5#
- 1...Qxg4
- 2.Sf7#
- 1...Rxg4
- 2.Sf7#
- 2.Qxf5#
- 1...Rxc6
- 2.Sf7#
- 2.Re4#
- 2.Qxf5#
- 1...Qf2
- 2.Sxc4#
- 2.Sf7#
- 1...Qf4
- 2.Sf7#
- 1...Qc3
- 2.Sf7#
- 2.Qxf5#
- 1...Qd3
- 2.Sf7#
- 1...Qf3
- 2.Sxc4#
- 2.Sf7#
- 1...Rc1
- 2.Sf7#
- 2.Re4#
- 2.Qxf5#
- 1...Rc2
- 2.Sf7#
- 2.Re4#
- 2.Qxf5#
- 1...Rc3
- 2.Sf7#
- 2.Re4#
- 2.Qxf5#
- 1...Ra4
- 2.Sf7#
- 2.Qxf5#
- 1...Rb4
- 2.Sf7#
- 2.Qxf5#
- 1...Rd4
- 2.Sf7#
- 2.Qxf5#
- 1...Re4
- 2.Sf7#
- 2.Rxe4#
- 2.Qxf5#
- 1...Rf4
- 2.Sf7#
- 1...Rc5
- 2.Sf7#
- 2.Re4#
- 2.Qxf5#
- 1...b5
- 2.Sf7#
- 2.Qxf5#
- 1...g6
- 2.Sxc4#
- 2.Sf7#
- 1...cxd6!
- threat
- 1.Se3?
- threat
- 2.Sxc4#
- 2.Rd5#
- 2.Qxf5#
- 1...Qxg4
- 2.Sxc4#
- 2.Sxg4#
- 2.Rd5#
- 1...Rxe4
- 2.Rd5#
- 2.Rxe4#
- 2.Qxf5#
- 1...Rxc6
- 2.Rd5#
- 2.Qxf5#
- 1...Qf2
- 2.Sxc4#
- 2.Rd5#
- 1...Qf4
- 2.Sxc4#
- 2.Rd5#
- 2.Qxf4#
- 1...Qf3
- 2.Sxc4#
- 2.Rd5#
- 1...Rc1
- 2.Rd5#
- 2.Qxf5#
- 1...Rc2
- 2.Rd5#
- 2.Qxf5#
- 1...Rc3
- 2.Bxc3#
- 2.Rd5#
- 2.Qxf5#
- 1...Ra4
- 2.Rd5#
- 2.Qxf5#
- 1...Rb4
- 2.Rd5#
- 2.Qxf5#
- 1...Rd4
- 2.Qxf5#
- 1...Rc5
- 2.Qxf5#
- 1...b5
- 2.Bxc7#
- 2.Rd5#
- 2.Qxf5#
- 1...g6
- 2.Sxc4#
- 2.Rd5#
- 1...Qxe3!
- threat
- 1.Sxg3?
- Keys
- 1.Sc5!
- threat
- 2.Sd7#
- 1...Rxc5
- 2.Re4#
- 1...bxc5
- 2.Bxc7#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD::QAB1(G)
- Q(b);N_GUARD::QAB1(G),XQ(b)
- R(c);OGATE,XS(C)::R1(D),XR(c)
- P(f);OGATE::B(E),XP(g)
- P(h);OGATE,XP(I)::QAB1(G),XP(h)
- Tries
- Try
- S(C);XQ(b)
- Threat
- QAR1(G),XB(e)
- Vars
- R(c);N_GUARD::QAB1(G),XR(c)
- Refutation
- P(h);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(b);XR(D)::S(C)
- Q(b);::S(C)
- R(c);::S(C)
- Refutation
- P(g);XS(C)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(c);::QAR1(G),XB(e)
- Refutation
- Q(b);XS(F)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- R(c);N_GUARD,XS(C)::R1(D)
- P(f);OGATE,XS(C)::B(E),XP(g)
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).