MESON Chess Problem Database
Problem Display
PID: 96567 (2rB2N1/6p1/5Pp1/2p3k1/2Kb1RBp/2p1P2P/8/2Q5 w - - 0 1)
Milewski, Stefan
Problemesis, 2005
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Rf1?
- threat
- 2.exd4#
- 1...Bxe3
- 2.Qxe3#
- 1...Bxf6
- 2.e4#
- 1...Be5!
- threat
- 1.Rf2?
- threat
- 2.exd4#
- 1...Bxe3
- 2.Qxe3#
- 1...Bxf6
- 2.e4#
- 1...Be5!
- threat
- 1.Rf3?
- threat
- 2.exd4#
- 1...Bxe3
- 2.Qxe3#
- 1...Bxf6
- 2.e4#
- 1...Be5!
- threat
- 1.Rxd4?
- threat
- 2.Rd5#
- 2.e4#
- 1...Rxd8
- 2.e4#
- 1...cxd4+!
- threat
- 1.fxg7+?
- 1...Bf6
- 2.Bxf6#
- 1...Rxd8!
- 1...Bf6
- 1.Rf1?
- Keys
- 1.Re4!
- threat
- 2.exd4#
- 1...Bxe3
- 2.Qxe3#
- 1...Bxf6
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(E);
- Threat
- QAB(A)+P(B),XB(b)
- Vars
- B(b);OGATE,P_SPINB(b),XP(B)::QAB(A),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(G)::QAB(A)+P(B)
- Refutation
- B(b);
- Try
- R(E);
- Threat
- QAB(A)+P(B),XB(b)
- Vars
- B(b);OGATE,P_SPINB(b),XP(B)::QAB(A),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(G)::QAB(A)+P(B)
- Refutation
- B(b);
- Try
- R(E);
- Threat
- QAB(A)+P(B),XB(b)
- Vars
- B(b);OGATE,P_SPINB(b),XP(B)::QAB(A),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(G)::QAB(A)+P(B)
- Refutation
- B(b);
- Try
- R(E);XB(b)
- Threat
- DUALS(2)
- Vars
- R(h);XB(H)::QAB(A)+P(B)
- Refutation
- P(d);CHECK,XR(E)
- Try
- P(G);CHECK,XP(g)
- Vars
- B(b);N_GUARD,P_SPINB(b)::B(H),XB(b)
- Refutation
- R(h);XB(H)
- Try
- Actual
- R(E);
- Threat
- QAB(A)+P(B),XB(b)
- Vars
- B(b);OGATE,P_SPINB(b),XP(B)::QAB(A),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(G)::R(E)
- B(b);N_GUARD::R(E),XB(b)
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).