MESON Chess Problem Database
Problem Display
PID: 172356 (4R2K/8/8/8/8/5Q2/7k/5b1B w - - 0 1)
Andreev, Aleksandr Grigorevich
Bankovskaya gazeta, 1997
#2
4 + 2
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bd3
- 2.Qg2#
- 1...Bc4
- 2.Qg2#
- 1...Bb5
- 2.Qg2#
- 1...Ba6
- 2.Qg2#
- 1...Be2
- Tries
- 1.Re2+?
- 1...Bxe2
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Kg1!
- 1...Bxe2
- 1.Rg8?
- 1...Bg2
- 2.Qxg2#
- 1...Be2
- 2.Qg2#
- 1...Bd3
- 2.Qg2#
- 2.Qh5#
- 1...Bc4
- 2.Qg2#
- 2.Qh5#
- 1...Bb5
- 2.Qg2#
- 2.Qh5#
- 1...Ba6
- 2.Qg2#
- 2.Qh5#
- 1...Bh3!
- 1...Bg2
- 1.Re2+?
- Keys
- 1.Re1!
- 1...Kg1
- 2.Qg2#
- 1...Be2
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bd3
- 2.Qg2#
- 1...Bh3
- 2.Qf4#
- 1...Bc4
- 2.Qg2#
- 1...Bb5
- 2.Qg2#
- 1...Ba6
- 2.Qg2#
- 1...Kg1
- 1.Re1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAR1(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- Tries
- Try
- R(C);CHECK
- Vars
- B(a);N_GUARD,XR(C)::QAR1(B)
- B(a);N_GUARD,P_SPINB(a)::QAR1(B),XB(a)
- Refutation
- K(b);S_FLIGHT
- Try
- R(C);
- Vars
- B(a);N_GUARD::QAR1(B),XB(a)
- B(a);N_GUARD::QAR1(B)
- Refutation
- B(a);
- Try
- Actual
- R(C);
- Vars
- K(b);P_SPINB(a),S_FLIGHT::QAR1(B)
- B(a);N_GUARD::QAR1(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- B(a);SBLOCK::QAB(B)
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).