MESON Chess Problem Database
Problem Display
PID: 109615 (4K2b/8/4pk2/7P/4P3/6Q1/8/8 w - - 0 1)
Veselenchuk, Semen Ivanovich
Shakhmatnaya kompozitsiya, 1992
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bg7
- 2.Qf4#
- 1...e5
- 2.Qg6#
- 1...Bg7
- Tries
- 1.Kd7?
- 1...Bg7
- 2.Qf4#
- 1...e5
- 2.Qg6#
- 1...Kf7!
- 1...Bg7
- 1.Kd8?
- 1...e5
- 2.Qg6#
- 1...Bg7
- 2.Qf4#
- 1...Kf7!
- 1...e5
- 1.Qc7?
- 1...e5
- 2.Qe7#
- 1...Bg7
- 2.Qf4#
- 1...Kg5!
- 1...e5
- 1.Qg4?
- 1...Bg7
- 2.Qf4#
- 1...e5
- 2.Qg6#
- 1...Ke5!
- 1...Bg7
- 1.h6?
- 1...Bg7
- 2.Qxg7#
- 1...e5!
- 1...Bg7
- 1.Kd7?
- Keys
- 1.Kf8!
- threat
- 2.Qf4#
- 1...Bg7+
- 2.Qxg7#
- 1...e5
- 2.Qg6#
- threat
- 1.Kf8!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(c);SBLOCK::QAR2(A)
- P(a);SBLOCK::QAR1(A)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(c);SBLOCK::QAR2(A)
- P(a);SBLOCK::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- K(D);P-FLIGHT
- Vars
- P(a);SBLOCK::QAR1(A)
- B(c);SBLOCK::QAR2(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- P(a);::QAB1(A)
- B(c);SBLOCK::QAR2(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);
- Vars
- B(c);SBLOCK::QAR2(A)
- P(a);SBLOCK::QAR1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- P(C);
- Vars
- B(c);N_GUARD::QAB1(A),XB(c)
- Refutation
- P(a);
- Try
- Actual
- K(D);P-FLIGHT
- Threat
- QAR2(A)
- Vars
- B(c);CHECK,N_GUARD::QAB1(A),XB(c)
- P(a);SBLOCK::QAR1(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).