MESON Chess Problem Database
Problem Display
PID: 135532 (8/8/8/8/8/p5p1/2Q3Bp/k6K w - - 0 1)
Cyrulik, Stepan Pavlovich
Lukyanov MT, 1996
#2
3 + 4
| 145 | StrateGems | 2009 |
SOLUTION
- SOUND
- Sets
- 1...a2
- 2.Qc1#
- 1...a2
- Tries
- 1.Bf1?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Bf3?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Bh3?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Be4?
- threat
- 2.Qb1#
- 1...a2
- 2.Qc1#
- 2.Qc3#
- 1...g2+!
- threat
- 1.Bd5?
- threat
- 2.Qc1#
- 2.Qa2#
- 1...a2
- 2.Qc1#
- 2.Qxa2#
- 1...g2+!
- threat
- 1.Bc6?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Bb7?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Ba8?
- 1...a2
- 2.Qc1#
- 1...g2+!
- 1...a2
- 1.Qd2?
- 1...a2
- 2.Qc1#
- 1...Kb1!
- 1...a2
- 1.Bf1?
- Keys
- 1.Qc1+!
- 1...Ka2
- 2.Bd5#
- 1...Ka2
- 1.Qc1+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(c);SBLOCK::QAR2(B)
- Tries
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Threat
- QAR1(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Threat
- DUALS(2)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- B(C);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(d);CHECK
- Try
- Q(B);
- Vars
- P(c);SBLOCK::QAR2(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(B);CHECK
- Vars
- K(a);P-FLIGHT::B(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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