MESON Chess Problem Database
Problem Display
PID: 172246 (8/8/8/8/8/2pQ4/2Bb4/K1kb4 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kubanski krai, 1996
#2
3 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qxd1#
- 1...Be3
- 2.Qxd1#
- 1...Bf4
- 2.Qxd1#
- 1...Bg5
- 2.Qxd1#
- 1...Bh6
- 2.Qxd1#
- 1...Be1
- Tries
- 1.Bxd1?
- threat
- 2.Qb1#
- 2.Qc2#
- 1...Be1
- 2.Qc2#
- 1...Be3
- 2.Qc2#
- 1...Bf4
- 2.Qc2#
- 1...Bg5
- 2.Qc2#
- 1...Bh6
- 2.Qc2#
- 1...c2
- 2.Qxc2#
- 1...Kxd1!
- threat
- 1.Bb3?
- threat
- 2.Qb1#
- 1...Bc2
- 2.Qxc2#
- 1...Be1
- 2.Qxd1#
- 1...Be3
- 2.Qxd1#
- 2.Qxe3#
- 1...Bf4
- 2.Qxd1#
- 1...Bg5
- 2.Qxd1#
- 1...Bh6
- 2.Qxd1#
- 1...c2!
- threat
- 1.Bxd1?
- Keys
- 1.Ba4!
- threat
- 2.Qb1#
- 1...Bc2
- 2.Qxc2#
- 1...Be1
- 2.Qxd1#
- 1...Be3
- 2.Qxd1#
- 2.Qxe3#
- 1...Bf4
- 2.Qxd1#
- 1...Bg5
- 2.Qxd1#
- 1...Bh6
- 2.Qxd1#
- 1...c2
- 2.Qa3#
- threat
- 1.Ba4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(c);OGATE::QAR1(C),XB(b)
- Tries
- Try
- B(B);XB(b)
- Threat
- DUALS(2)
- Vars
- B(c);::QAR1(C)
- P(d);::QAR1(C),XP(d)
- Refutation
- K(a);P-FLIGHT,P_SPINB(c),XB(B)
- Try
- B(B);
- Threat
- QAR1(C)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- B(c);OGATE::QAR1(C),XB(b)
- Refutation
- P(d);
- Try
- Actual
- B(B);
- Threat
- QAR1(C)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- B(c);OGATE::QAR1(C),XB(b)
- P(d);OGATE::QAB(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).