MESON Chess Problem Database
Problem Display
PID: 238025 (1K6/1Q6/8/P7/p2p4/rP1P2p1/rk1B4/b2RN3 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
Hlas l'udu, 1978
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Bc1+?
- 1...Kb1
- 2.Bxa3#
- 1...Kc3!
- 1...Kb1
- 1.Bb4?
- 1...Kxb3
- 2.Bd2#
- 1...Rxb3
- 2.Qg2#
- 1...axb3
- 2.Qg2#
- 1...g2!
- 1...Kxb3
- 1.Qc6?
- threat
- 2.Qc2#
- 1...Kxb3
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...axb3
- 2.Qc1#
- 1...Rxb3+!
- threat
- 1.Qc8?
- threat
- 2.Qc2#
- 1...Kxb3
- 2.Qb7#
- 1...axb3
- 2.Qc1#
- 1...Rxb3+!
- threat
- 1.Qc7?
- threat
- 2.Qc2#
- 1...Kxb3
- 2.Qb6#
- 2.Qb7#
- 1...axb3
- 2.Qc1#
- 1...Rxb3+!
- threat
- 1.Bc1+?
- Keys
- 1.Qg2!
- 1...Rxb3+
- 2.Bb4#
- 1...Kxb3
- 2.Qb7#
- 1...axb3
- 2.Bb4#
- 1...Rxb3+
- 1.Qg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(C);CHECK
- Vars
- K(c);OGATE,P-FLIGHT::R(A)+B(C),XR(d)
- Refutation
- K(c);S_FLIGHT
- Try
- B(C);
- Vars
- K(c);OGATEB,P-FLIGHT,XP(D)::QAR(G)+B(C)
- R(d);SBLOCK,XP(D)::QAR(G)
- P(f);SBLOCK,XP(D)::QAR(G)
- Refutation
- P(e);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(f);SBLOCK,XP(D)::QAB1(G)
- Refutation
- R(d);CHECK,XP(D)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(c);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- P(f);SBLOCK,XP(D)::QAB1(G)
- Refutation
- R(d);CHECK,XP(D)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(f);SBLOCK,XP(D)::QAB1(G)
- Refutation
- R(d);CHECK,XP(D)
- Try
- Actual
- Q(G);
- Vars
- R(d);CHECK,SBLOCK,XP(D)::QAR(G)+B(C)
- K(c);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- P(f);SBLOCK,XP(D)::QAR(G)+B(C)
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).