MESON Chess Problem Database
Problem Display
PID: 236055 (8/8/1Kp5/8/pp6/kP5Q/7R/8 w - - 0 1)
Borovik, Boris V
Schweizerische Schachzeitung, 1988
#2
4 + 4
SOLUTION
- SOUND
- Tries
- 1.Qf1?
- 1...Kxb3
- 2.Qd3#
- 1...axb3
- 2.Qa6#
- 2.Qa1#
- 1...c5!
- 1...Kxb3
- 1.Qf5?
- 1...Kxb3
- 2.Qd3#
- 1...axb3
- 2.Qa5#
- 1...c5!
- 1...Kxb3
- 1.Qc3?
- threat
- 2.Qb2#
- 1...axb3
- 2.Qa1#
- 1...bxc3!
- threat
- 1.Qd3?
- 1...axb3
- 2.Qa6#
- 1...c5!
- 1...axb3
- 1.Qh7?
- 1...Kxb3
- 2.Qd3#
- 1...axb3
- 2.Qa7#
- 1...c5!
- 1...Kxb3
- 1.Qh8?
- threat
- 2.Qb2#
- 1...axb3
- 2.Qa1#
- 2.Qa8#
- 1...Kxb3!
- threat
- 1.bxa4+?
- 1...Kxa4
- 2.Ra2#
- 1...b3!
- 1...Kxa4
- 1.Qf1?
- Keys
- 1.Qd7!
- 1...Kxb3
- 2.Qd3#
- 1...axb3
- 2.Qa7#
- 1...c5
- 2.Qxa4#
- 1...Kxb3
- 1.Qd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
- P(b);OGATEB,SBLOCK,XP(B)::QAR2(C)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- P(b);P_SPINP(b),SBLOCK,XP(B)::QAR2(C)
- Refutation
- P(c);XQ(C)
- Try
- Q(C);
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(B)::QAR(C)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
- P(b);OGATEB,SBLOCK,XP(B)::QAR(C)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- QAB1(C)
- Refutation
- K(a);P-FLIGHT,XP(B)
- Try
- P(B);CHECK,XP(b)
- Vars
- K(a);P-FLIGHT,XP(B)::R(A)
- Refutation
- P(c);P_SPINP(c)
- Try
- Actual
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
- P(b);OGATEB,SBLOCK,XP(B)::QAR(C)
- P(d);OGATE::QAR1(C),XP(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).