MESON Chess Problem Database
Problem Display
PID: 110137 (7k/6pr/4BBK1/4R3/8/8/8/8 w - - 0 1)
Saks, Oleg Pavlovich
Kudesnik, 1991
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Bxg7#
- 1...Rh2
- 2.Bxg7#
- 1...Rh3
- 2.Bxg7#
- 1...Rh4
- 2.Bxg7#
- 1...Rh5
- 2.Bxg7#
- 2.Rxh5#
- 1...Rh1
- Tries
- 1.Bh3?
- threat
- 2.Re8#
- 1...Kg8
- 2.Re8#
- 1...Rh6+!
- threat
- 1.Bg4?
- threat
- 2.Re8#
- 1...Kg8
- 2.Re8#
- 1...Rh6+!
- threat
- 1.Bf5?
- threat
- 2.Re8#
- 1...Kg8
- 2.Re8#
- 1...Rh6+!
- threat
- 1.Bd7?
- threat
- 2.Re8#
- 1...Kg8
- 2.Re8#
- 1...Rh6+!
- threat
- 1.Bc8?
- threat
- 2.Re8#
- 1...Kg8
- 2.Re8#
- 1...Rh6+!
- threat
- 1.Bh3?
- Keys
- 1.Rh5!
- threat
- 2.Bxg7#
- 2.Rxh7#
- 1...Rh6+
- 2.Rxh6#
- 1...Rxh5
- 2.Bxg7#
- 1...gxf6
- 2.Rxh7#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(b);N_GUARD::B(C),XP(a)
- Tries
- Try
- B(B);
- Threat
- R(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::R(A)
- Refutation
- R(b);CHECK
- Try
- B(B);
- Threat
- R(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::R(A)
- Refutation
- R(b);CHECK
- Try
- B(B);
- Threat
- R(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::R(A)
- Refutation
- R(b);CHECK
- Try
- B(B);
- Threat
- R(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::R(A)
- Refutation
- R(b);CHECK
- Try
- B(B);
- Threat
- R(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT::R(A)
- Refutation
- R(b);CHECK
- Try
- Actual
- R(A);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATEB::R(A),XR(b)
- R(b);N_SPINR(b),XR(A)::B(C),XP(a)
- P(a);N_SPINP(a),XB(C)::R1(A),XR(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).