MESON Chess Problem Database
Problem Display
PID: 12336 (K7/1Q2p3/3k4/1p3R2/8/3N4/8/8 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
diagrammes, 1977
#2
4 + 3
| 3296 | Shakhmatny zadachi miniaturi | 1987 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Qd5#
- 1...e5
- 2.Rf6#
- 1...Ke6
- Tries
- 1.Sc5?
- threat
- 2.Rd5#
- 2.Qb6#
- 2.Qd7#
- 1...e6
- 2.Se4#
- 2.Qd7#
- 1...e5!
- threat
- 1.Se5?
- threat
- 2.Qc6#
- 1...Ke6
- 2.Qd7#
- 1...e6
- 2.Sf7#
- 1...Kc5!
- threat
- 1.Rf4?
- 1...Ke6
- 2.Qc6#
- 1...e5
- 2.Rf6#
- 1...e6
- 2.Rd4#
- 1...b4!
- 1...Ke6
- 1.Rf8?
- 1...Ke6
- 2.Qc6#
- 1...e5
- 2.Rf6#
- 1...e6
- 2.Rd8#
- 1...b4!
- 1...Ke6
- 1.Sc5?
- Keys
- 1.Kb8!
- threat
- 2.Qd5#
- 1...Ke6
- 2.Qd5#
- 1...e5
- 2.Rf6#
- 1...e6
- 2.Qc7#
- threat
- 1.Kb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);P-FLIGHT::QAB1(C)
- P(c);N_GUARD::R(B)
- Tries
- Try
- S(A);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- S(A);
- Threat
- QAR1(C)
- Vars
- K(b);P-FLIGHT::QAB1(C)
- P(c);SBLOCK::S(A)
- Refutation
- K(b);S_FLIGHT
- Try
- R(B);
- Vars
- K(b);P-FLIGHT::QAR2(C)
- P(c);N_GUARD::R(B)
- P(c);SBLOCK::R(B)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- K(b);P-FLIGHT::QAR2(C)
- P(c);N_GUARD::R(B)
- P(c);SBLOCK::R(B)
- Refutation
- P(a);
- Try
- Actual
- K(D);P-FLIGHT
- Threat
- QAR1(C)
- Vars
- K(b);P-FLIGHT::QAB1(C)
- P(c);N_GUARD::R(B)
- P(c);SBLOCK::QAB1(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).