MESON Chess Problem Database
Problem Display
PID: 283981 (8/1NpK2B1/3pP3/ppPk2p1/3pp3/5p2/NP2BR1Q/8 w - - 0 1)
Cabrera, Virginio
Best Problems, 2025
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...a4
- 2.Sb4#
- 1...g4
- 2.Qh5#
- 1...dxc5
- 2.Qe5#
- 1...c6
- 2.Qxd6#
- 1...a4
- Tries
- 1.Sxd6?
- threat
- 2.Qe5#
- 1...cxd6
- 2.Qxd6#
- 1...Kxc5!
- threat
- 1.Bxb5?
- 1...dxc5
- 2.Qe5#
- 1...d3
- 2.Sc3#
- 1...a4
- 2.Sb4#
- 1...g4
- 2.Qh5#
- 1...c6
- 2.Qxd6#
- 1...e3!
- 1...dxc5
- 1.Qh3?
- threat
- 2.Qf5#
- 1...fxe2
- 2.Qb3#
- 1...g4
- 2.Qh5#
- 1...d3!
- threat
- 1.Sxd6?
- Keys
- 1.b3!
- 1...fxe2
- 2.Rf5#
- 1...dxc5
- 2.Qe5#
- 1...e3
- 2.Bxf3#
- 1...d3
- 2.Sc3#
- 1...a4
- 2.Sb4#
- 1...b4
- 2.Bc4#
- 1...g4
- 2.Qh5#
- 1...c6
- 2.Qxd6#
- 1...fxe2
- 1.b3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(d);N_GUARD::S(A)
- P(g);OGATEB::QAR(E)
- P(h);N_GUARD,XP(F)::QAR1(E)
- P(i);N_GUARD::QAR1(E),XP(h)
- Tries
- Try
- S(H);XP(h)
- Threat
- QAR1(E)
- Vars
- P(i);OGATE,XS(H)::QAR1(E),XP(i)
- Refutation
- K(f);P-FLIGHT,XP(F)
- Try
- B(C);XP(e)
- Vars
- P(h);N_GUARD,XP(F)::QAR1(E)
- P(b);N_GUARD::S(A)
- P(d);N_GUARD::S(A)
- P(g);OGATEB::QAR(E)
- P(i);N_GUARD::QAR1(E),XP(h)
- Refutation
- P(c);
- Try
- Q(E);
- Threat
- QAR2(E)
- Vars
- P(a);OGATE,XB(C)::QAB(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);
- Try
- Actual
- P(B);
- Vars
- P(a);OGATE,XB(C)::R(D)
- P(h);N_GUARD,XP(F)::QAR1(E)
- P(c);OGATEB::B(C),XP(a)
- P(b);N_GUARD::S(A)
- P(d);N_GUARD::S(A)
- P(e);N_GUARD::B(C)
- P(g);OGATEB::QAR(E)
- P(i);N_GUARD::QAR1(E),XP(h)
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).