MESON Chess Problem Database
Problem Display
PID: 172215 (7B/2p3bR/6k1/8/6K1/8/7Q/8 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kuban segodniya, 1996
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Bb2
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Bc3
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Bd4
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Be5
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Bf6
- 2.Qc2#
- 2.Qh5#
- 2.Qh6#
- 1...Bh6
- 2.Qc2#
- 2.Qxh6#
- 1...Bf8
- 2.Qc2#
- 2.Qh5#
- 1...Bxh8
- 2.Qh6#
- 1...Ba1
- Tries
- 1.Qf4?
- threat
- 2.Rxg7#
- 2.Qf5#
- 1...Bxh8
- 2.Qh6#
- 2.Qf5#
- 2.Qf7#
- 1...Ba1
- 2.Rh6#
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Bb2
- 2.Rh6#
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Bc3
- 2.Rh6#
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Bd4
- 2.Rh6#
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Be5
- 2.Rh6#
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Bf6
- 2.Qh6#
- 2.Qe4#
- 2.Qf5#
- 1...Bh6
- 2.Rxh6#
- 2.Qxh6#
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Bf8
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Kxh7!
- threat
- 1.Qh4?
- threat
- 2.Rxg7#
- 1...Bxh8
- 2.Qh6#
- 1...Ba1
- 2.Qh5#
- 2.Qh6#
- 1...Bb2
- 2.Qh5#
- 2.Qh6#
- 1...Bc3
- 2.Qh5#
- 2.Qh6#
- 1...Bd4
- 2.Qh5#
- 2.Qh6#
- 1...Be5
- 2.Qh5#
- 2.Qh6#
- 1...Bf6
- 2.Qh5#
- 2.Qh6#
- 1...Bh6
- 2.Qxh6#
- 1...Bf8
- 2.Qh5#
- 1...Kf7!
- threat
- 1.Qf4?
- Keys
- 1.Qxc7!
- threat
- 2.Qxg7#
- 1...Kf6
- 2.Rh6#
- 1...Kxh7
- 2.Qxg7#
- 1...Bxh8
- 2.Qf7#
- 1...Ba1
- 2.Qc2#
- 2.Qf7#
- 1...Bb2
- 2.Qc2#
- 2.Qf7#
- 1...Bc3
- 2.Qf7#
- 1...Bd4
- 2.Qc2#
- 2.Qf7#
- 1...Be5
- 2.Qc2#
- 2.Qf7#
- 1...Bf6
- 2.Qc2#
- 2.Qf7#
- 1...Bh6
- 2.Qc2#
- 2.Qf7#
- 1...Bf8
- 2.Qc2#
- 2.Qf7#
- threat
- 1.Qxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD,XB(D)::QAR1(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Q(A);
- Threat
- R1(C),XB(c)
- Vars
- B(c);N_GUARD,XB(D)::QAR1(A)
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);::QAB1(A)
- Refutation
- K(a);P_SPINB(c),S_FLIGHT
- Try
- Actual
- Q(A);XP(b)
- Threat
- QAR1(A),XB(c)
- Vars
- K(a);P-FLIGHT,P_SPINB(c)::R(C)
- K(a);P_SPINB(c),S_FLIGHT,XR(C)::QAR1(A),XB(c)
- B(c);XB(D)::QAB1(A)
- B(c);::QAB1(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).