MESON Chess Problem Database
Problem Display
PID: 265099 (8/2p5/2B5/ppP5/bpP1R3/1kP5/2pQ4/K1B5 w - - 0 1)
Basisty, Mark Borisovich
3rd HM., Polski Zwiazek Szachowy, 2015
#2
8 + 7
SOLUTION
- SOUND
- Tries
- 1.Bd5?
- threat
- 2.cxb5#
- 1...bxc4
- 2.Bxc4#
- 1...c6!
- threat
- 1.Re3?
- 1...Kxc4
- 2.Qd5#
- 1...bxc3
- 2.Qxc3#
- 1...bxc4!
- 1...Kxc4
- 1.Qe2?
- 1...Kxc3
- 2.Qf3#
- 2.Qe3#
- 1...bxc4
- 2.Qxc4#
- 1...bxc3!
- 1...Kxc3
- 1.Qd3?
- 1...bxc4
- 2.Qxc4#
- 1...bxc3!
- 1...bxc4
- 1.Qd4?
- 1...bxc4
- 2.Qxc4#
- 1...bxc3!
- 1...bxc4
- 1.cxb4?
- 1...axb4
- 2.Qe3#
- 2.Qd3#
- 1...bxc4!
- 1...axb4
- 1.Bd5?
- Keys
- 1.Qd5!
- 1...Kxc3
- 2.Re3#
- 1...bxc3
- 2.cxb5#
- 1...bxc4
- 2.Qxc4#
- 1...Kxc3
- 1.Qd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(H);
- Threat
- B(H)+P(E),XP(f)
- Vars
- P(f);OGATE,P_SPINP(f),XP(E)::B(H),XP(f)
- Refutation
- P(g);
- Try
- R(F);
- Vars
- K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(C)
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(C),XP(d)
- Refutation
- P(f);XP(E)
- Try
- Q(C);
- Vars
- P(f);OGATE,XP(E)::QAB1(C),XP(f)
- Refutation
- P(d);XP(D)
- Try
- Q(C);
- Vars
- P(f);OGATE,XP(E)::QAB1(C),XP(f)
- Refutation
- P(d);P_SPINP(d),XP(D)
- Try
- Q(C);
- Vars
- P(f);OGATE,XP(E)::QAB1(C),XP(f)
- Refutation
- P(d);XP(D)
- Try
- P(D);XP(d)
- Refutation
- P(f);XP(E)
- Try
- Actual
- Q(C);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::R(F)
- P(d);SBLOCK,XP(D)::QAB(C)+P(E),XP(f)
- P(f);OGATE,P_SPINP(f),XP(E)::QAB1(C),XP(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).