MESON Chess Problem Database
Problem Display
PID: 206383 (4B3/2Q5/6p1/4K3/6k1/6B1/7P/8 w - - 0 1)
Grinblat, Abram
Revista de Sah, 1925
#2
5 + 2
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Qc4+?
- 1...Kf3
- 2.Qe4#
- 1...Kg5
- 2.Qh4#
- 1...Kh5
- 2.Qh4#
- 1...Kh3!
- 1...Kf3
- 1.Qc6?
- 1...Kh3
- 2.Bd7#
- 1...Kg5
- 2.Qxg6#
- 1...Kh5
- 2.Qxg6#
- 1...g5!
- 1...Kh3
- 1.Qf7?
- 1...Kg5
- 2.Qxg6#
- 1...Kh5
- 2.Qxg6#
- 1...g5
- 2.Bd7#
- 2.Qh5#
- 2.Qf5#
- 1...Kh3!
- 1...Kg5
- 1.Qh7?
- 1...Kg5
- 2.Qxg6#
- 2.Qh4#
- 1...g5
- 2.Qf5#
- 2.Qh5#
- 1...Kf3!
- 1...Kg5
- 1.Qc4+?
- Keys
- 1.Qc2!
- 1...Kf3
- 2.Qe4#
- 1...Kh3
- 2.Bd7#
- 1...Kg5
- 2.Qxg6#
- 1...Kh5
- 2.Qxg6#
- 1...g5
- 2.Qf5#
- 1...Kf3
- 1.Qc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);CHECK
- Vars
- K(a);S_FLIGHT::QAB1(D)
- K(a);OGATE,P-FLIGHT::QAB1(D)
- K(a);OGATE,P_SPINP(b),S_FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Vars
- K(a);S_FLIGHT::B(E)
- K(a);P-FLIGHT::QAR1(D),XP(b)
- K(a);P_SPINP(b),S_FLIGHT::QAB1(D),XP(b)
- Refutation
- P(b);
- Try
- Q(D);
- Vars
- K(a);P-FLIGHT::QAR1(D),XP(b)
- K(a);P_SPINP(b),S_FLIGHT::QAB1(D),XP(b)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(a);S_FLIGHT::QAB1(D)
- K(a);S_FLIGHT::B(E)
- K(a);P-FLIGHT::QAR1(D),XP(b)
- K(a);P_SPINP(b),S_FLIGHT::QAB1(D),XP(b)
- P(b);N_GUARD::QAB1(D)
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).