MESON Chess Problem Database
Problem Display
PID: 234756 (kB6/3P4/KR6/1Br5/8/8/8/8 w - - 0 1)
Lincoln, Robert A
Kudesnik, 2015
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Bc6#
- 1...Re5
- 2.Bc6#
- 1...Rf5
- 2.Bc6#
- 1...Rg5
- 2.Bc6#
- 1...Rh5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rd5
- Tries
- 1.Bh2?
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.Bc6#
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rc7!
- threat
- 1.Bg3?
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.Bc6#
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rc7!
- threat
- 1.Bf4?
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.Bc6#
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rc7!
- threat
- 1.Be5?
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Rxe5
- 2.Bc6#
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rc7!
- threat
- 1.Bd6?
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rc7!
- threat
- 1.Bc7?
- threat
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Rc1
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rc2
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rc3
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rc4
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rd5
- 2.Bc6#
- 2.Rb8#
- 1...Re5
- 2.Bc6#
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Bc6#
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rg5
- 2.Bc6#
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.Bc6#
- 2.Rb8#
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 2.d8Q#
- 2.d8R#
- 1...Rxc7!
- threat
- 1.d8Q?
- threat
- 2.Bc7#
- 1...Rd5
- 2.Bc6#
- 2.Bd6#
- 2.Qxd5#
- 1...Rc7
- 2.Bxc7#
- 1...Rc8!
- threat
- 1.d8R?
- threat
- 2.Bc7#
- 1...Rd5
- 2.Bc6#
- 2.Bd6#
- 1...Rc7
- 2.Bxc7#
- 1...Rc8!
- threat
- 1.Bh2?
- Keys
- 1.Ba7!
- threat
- 2.Rb8#
- 1...Rxb5
- 2.d8Q#
- 2.d8R#
- 1...Rc6
- 2.Bxc6#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::B(A)
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- Tries
- Try
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
- Refutation
- R(a);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
- Refutation
- R(a);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
- Refutation
- R(a);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
- Refutation
- R(a);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
- Refutation
- R(a);
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- R(a);XB(A)::P=Q
- Refutation
- R(a);XB(E)
- Try
- P(D);
- Threat
- QAR(D)+B(E)
- Vars
- R(a);::QAR(D)+B(E),XR(a)
- Refutation
- R(a);
- Try
- P(D);
- Threat
- R(D)+B(E)
- Vars
- R(a);::R(D)+B(E),XR(a)
- Refutation
- R(a);
- Try
- Actual
- B(E);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XB(A)::P=Q
- R(a);N_GUARD,P_PINR(C)::B(A),XR(a)
- R(a);OGATE::PXR(a)=Q
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).