MESON Chess Problem Database
Problem Display
PID: 245957 (2k4r/2Bp2Q1/K3R3/8/8/8/8/8 w - - 0 1)
Lincoln, Robert A
Sem Shakhmatnikh not, 2011
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Bg3?
- threat
- 2.Qxh8#
- 1...Kd8
- 2.Qxh8#
- 1...dxe6
- 2.Qc7#
- 1...Rh1
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh2
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh3
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh4
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh5
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh6
- 2.Qf8#
- 2.Qg8#
- 1...Rh7
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rd8
- 2.Qc3#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rg8
- 2.Qxg8#
- 1...d5
- 2.Qc7#
- 1...d6!
- threat
- 1.Bf4?
- threat
- 2.Qxh8#
- 1...Kd8
- 2.Qxh8#
- 1...dxe6
- 2.Qc7#
- 1...Rh1
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh2
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh3
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh4
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh5
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh6
- 2.Qf8#
- 2.Qg8#
- 1...Rh7
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rd8
- 2.Qc3#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rg8
- 2.Qxg8#
- 1...d5
- 2.Qc7#
- 1...d6!
- threat
- 1.Ba5?
- threat
- 2.Qxh8#
- 1...Kb8
- 2.Qxh8#
- 1...dxe6
- 2.Qb7#
- 2.Qc7#
- 1...Rh1
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh2
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh3
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh4
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh5
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh6
- 2.Qf8#
- 2.Qg8#
- 1...Rh7
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rg8
- 2.Qxg8#
- 1...d5
- 2.Qb7#
- 2.Qc7#
- 1...d6
- 2.Qb7#
- 2.Qc7#
- 1...Rd8!
- threat
- 1.Bb6?
- threat
- 2.Qxh8#
- 1...Kb8
- 2.Qxh8#
- 1...dxe6
- 2.Qb7#
- 2.Qc7#
- 1...Rh1
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh2
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh3
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh4
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh5
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh6
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh7
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rg8
- 2.Qxg8#
- 1...d5
- 2.Qb7#
- 2.Qc7#
- 1...d6
- 2.Qb7#
- 2.Qc7#
- 1...Rd8!
- threat
- 1.Bg3?
- Keys
- 1.Bd6!
- threat
- 2.Qxh8#
- 1...Kd8
- 2.Qxh8#
- 1...dxe6
- 2.Qc7#
- 1...Rd8
- 2.Qc3#
- 1...Rh1
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh2
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh3
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh4
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh5
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh6
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Rh7
- 2.Re8#
- 2.Qf8#
- 2.Qg8#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Qxf8#
- 1...Rg8
- 2.Qxg8#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(C);
- Threat
- QAR(D),XR(c)
- Vars
- K(b);P-FLIGHT::QAR(D),XR(c)
- P(a);OGATE,XR(B)::QAR1(D)
- R(c);SBLOCK::QAR(D)
- R(c);N_GUARD::R(B),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(a);OGATE::QAR1(D)
- Refutation
- P(a);
- Try
- B(C);
- Threat
- QAR(D),XR(c)
- Vars
- K(b);P-FLIGHT::QAR(D),XR(c)
- P(a);OGATE,XR(B)::QAR1(D)
- R(c);SBLOCK::QAR(D)
- R(c);N_GUARD::R(B),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- P(a);OGATE::QAR1(D)
- Refutation
- P(a);
- Try
- B(C);
- Threat
- QAR(D),XR(c)
- Vars
- K(b);P-FLIGHT::QAR(D),XR(c)
- R(c);N_GUARD::R(B),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- QAR(D),XR(c)
- Vars
- K(b);P-FLIGHT::QAR(D),XR(c)
- R(c);N_GUARD::R(B),XR(c)
- R(c);N_GUARD::QAR(D),XR(c)
- Refutation
- R(c);
- Try
- Actual
- B(C);
- Threat
- QAR(D),XR(c)
- Vars
- K(b);P-FLIGHT::QAR(D),XR(c)
- P(a);OGATE,XR(B)::QAR1(D)
- R(c);SBLOCK::QAR(D)
- R(c);N_GUARD::R(B),XR(c)
- R(c);N_GUARD::QAR(D),XR(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).