MESON Chess Problem Database
Problem Display
PID: 67857 (8/3p4/3Pp3/2p1Q1p1/2Pp1pP1/2p3p1/2B1P1R1/2B1k1K1 w - - 0 1)
Barron, Philip
Chess, 1948
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...d3
- Tries
- 1.Ba3?
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...Kd2!
- 1...d3
- 1.Bxf4?
- 1...d3
- 2.exd3#
- 1...gxf4!
- 1...d3
- 1.Bb3?
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...c2!
- 1...d3
- 1.Ba4?
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...c2!
- 1...d3
- 1.Rxg3?
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...fxg3!
- 1...d3
- 1.Qe4?
- 1...d3
- 2.exd3#
- 1...f3
- 2.exf3#
- 1...e5!
- 1...d3
- 1.Ba3?
- Keys
- 1.e3!
- threat
- 2.exd4#
- 2.exf4#
- 1...dxe3
- 2.Qxc3#
- 1...fxe3
- 2.Qxg3#
- 1...d3
- 2.exf4#
- 1...f3
- 2.exd4#
- threat
- 1.e3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Tries
- Try
- B(A);
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Refutation
- K(a);S_FLIGHT
- Try
- B(A);XP(e)
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- Refutation
- P(g);XB(A)
- Try
- B(C);
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Refutation
- P(b);
- Try
- B(C);
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Refutation
- P(b);
- Try
- R(E);XP(c)
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Refutation
- P(e);XR(E)
- Try
- Q(H);
- Vars
- P(d);OGATE::QAR(H)+P(D),XP(d)
- P(e);OGATE::QAR(H)+P(D),XP(e)
- Refutation
- P(h);
- Try
- Actual
- P(D);
- Threat
- DUALS(2)
- Vars
- P(d);OGATE,P_SPINP(d),XP(D)::QAB(H),XP(b)
- P(e);OGATE,P_SPINP(e),XP(D)::QAB(H),XP(c)
- P(d);::QAR(H)+P(D),XP(e)
- P(e);::QAR(H)+P(D),XP(d)
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).