MESON Chess Problem Database
Problem Display
PID: 65413 (8/8/3B4/p7/3kP3/2pP2p1/4BP2/4Q1K1 w - - 0 1)
Onkoud, Abdelaziz
Problemesis, 2000
#2
7 + 4
SOLUTION
- SOUND
- Sets
- 1...c2
- 2.Qa1#
- 1...gxf2+
- 2.Qxf2#
- 1...c2
- Tries
- 1.Kg2?
- 1...gxf2
- 2.Qxf2#
- 1...c2
- 2.Qa1#
- 1...a4!
- 1...gxf2
- 1.Qa1?
- threat
- 2.Qa4#
- 1...a4
- 2.Qxa4#
- 1...gxf2+!
- threat
- 1.Qb1?
- threat
- 2.Qb6#
- 1...c2
- 2.Qa1#
- 2.Qb2#
- 1...gxf2+!
- threat
- 1.Qc1?
- threat
- 2.Qe3#
- 1...c2
- 2.Qb2#
- 2.Qa1#
- 1...gxf2+!
- threat
- 1.Qd1?
- threat
- 2.Qa4#
- 1...c2
- 2.Qa1#
- 1...a4
- 2.Qxa4#
- 1...gxf2+!
- threat
- 1.fxg3?
- threat
- 2.Qf2#
- 1...Ke3
- 2.Bc5#
- 1...c2!
- threat
- 1.Kg2?
- Keys
- 1.Bf1!
- threat
- 2.Qe3#
- 1...gxf2+
- 2.Qxf2#
- 1...c2
- 2.Qa1#
- threat
- 1.Bf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::QAB(A)
- P(b);CHECK,OGATE,XP(D)::QAB(A),XP(b)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(b);OGATE,XP(D)::QAB(A),XP(b)
- P(a);OGATEB::QAB(A)
- Refutation
- P(d);
- Try
- Q(A);P_PINP(a)
- Threat
- QAR(A)
- Vars
- P(d);::QAR(A),XP(d)
- Refutation
- P(b);CHECK,XP(D)
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- P(b);CHECK,XP(D)
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- P(b);CHECK,XP(D)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(a);OGATEB::QAB(A)
- P(d);::QAR(A),XP(d)
- Refutation
- P(b);CHECK,XP(D)
- Try
- P(D);XP(b)
- Threat
- QAB(A)
- Vars
- K(c);S_FLIGHT::B(G)
- Refutation
- P(a);
- Try
- Actual
- B(C);
- Threat
- QAB1(A)
- Vars
- P(b);CHECK,OGATE,XP(D)::QAB(A),XP(b)
- P(a);OGATEB::QAB(A)
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).