MESON Chess Problem Database
Problem Display
PID: 172354 (r6k/4P1R1/6pK/8/8/8/8/6B1 w - - 0 1)
Andreev, Aleksandr Grigorevich
Bankovskaya gazeta, 1997
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.e8Q#
- 2.e8R#
- 1...Ra2
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.e8Q#
- 2.e8R#
- 1...Ra4
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.e8Q#
- 2.e8R#
- 1...Rd8
- 2.exd8Q#
- 2.exd8R#
- 1...Rf8
- 2.exf8Q#
- 2.exf8R#
- 1...Rg8
- 2.Rh7#
- 1...Ra1
- Tries
- 1.Rxg6?
- threat
- 2.Bd4#
- 1...Ra4
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.e8Q#
- 2.e8R#
- 1...Rd8
- 2.exd8Q#
- 2.exd8R#
- 1...Rf8
- 2.exf8Q#
- 2.exf8R#
- 1...Rg8!
- threat
- 1.Rxg6?
- Keys
- 1.Bd4!
- threat
- 2.Rxg6#
- 1...Ra4
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.e8Q#
- 2.e8R#
- 1...Rd8
- 2.exd8Q#
- 2.exd8R#
- 1...Rf8
- 2.exf8Q#
- 2.exf8R#
- 1...Rg8
- 2.Rh7#
- 1...g5
- 2.Rxg5#
- 2.Rg6#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::P=Q
- R(b);OGATE::PXR(b)=Q
- R(b);SBLOCK::R1(D)
- Tries
- Try
- R(D);XP(a)
- Threat
- B(A)
- Vars
- R(b);N_GUARD::P=Q
- R(b);N_GUARD,P_PINR(D)::P=Q
- R(b);OGATE::PXR(b)=Q
- Refutation
- R(b);
- Try
- Actual
- B(A);
- Threat
- B(A)+R(D),XP(a)
- Vars
- R(b);N_GUARD::P=Q
- R(b);OGATE::PXR(b)=Q
- R(b);SBLOCK::B(A)+R(D),DCHECK
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).