MESON Chess Problem Database
Problem Display
PID: 153839 (2r5/1p6/1P6/4Bp2/Q1B1kNP1/3NP1RR/8/2K3b1 w - - 0 1)
Bridgwater, Ralph Herbert
Social Chess Quarterly (The), 1934
#2
11 + 5
| 15372 | Bridgwater Scrapbook | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rxc4+
- 2.Qxc4#
- 1...Ra8
- 2.Bd5#
- 2.Ba6#
- 1...Rb8
- 2.Ba2#
- 2.Bb3#
- 2.Bb5#
- 2.Bd5#
- 2.Ba6#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Rd8
- 2.Bd5#
- 1...Re8
- 2.Ba2#
- 2.Bb3#
- 2.Bb5#
- 2.Bd5#
- 2.Ba6#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Rf8
- 2.Ba2#
- 2.Bb3#
- 2.Bb5#
- 2.Bd5#
- 2.Ba6#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Rg8
- 2.Ba2#
- 2.Bb3#
- 2.Bb5#
- 2.Bd5#
- 2.Ba6#
- 2.Be6#
- 2.Bf7#
- 2.Bxg8#
- 1...Rh8
- 2.Ba2#
- 2.Bb3#
- 2.Bb5#
- 2.Bd5#
- 2.Ba6#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rxc4+
- Tries
- 1.Kb1?
- threat
- 2.Bd5#
- 1...Rxc4
- 2.Qxc4#
- 1...fxg4!
- threat
- 1.Kd1?
- threat
- 2.Bd5#
- 1...Rxc4
- 2.Qxc4#
- 1...fxg4!
- threat
- 1.Kb2?
- threat
- 2.Bd5#
- 1...Rxc4
- 2.Qxc4#
- 1...fxg4!
- threat
- 1.Kd2?
- threat
- 2.Bd5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rxc4
- 2.Qxc4#
- 1...fxg4!
- threat
- 1.Se2?
- threat
- 2.Sc3#
- 1...Rxc4+
- 2.Qxc4#
- 1...Bxe3+
- 2.Rxe3#
- 1...fxg4!
- threat
- 1.Sd5?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Rxc4+
- 2.Qxc4#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rc6
- 2.Sc3#
- 1...Rf8
- 2.Sc3#
- 1...fxg4!
- threat
- 1.Se6?
- threat
- 2.Sg5#
- 1...Rxc4+
- 2.Qxc4#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rg8
- 2.Sec5#
- 1...fxg4!
- threat
- 1.Bc3?
- threat
- 2.Bd5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rxc4
- 2.Sc5#
- 2.Qe8#
- 2.Qxc4#
- 1...fxg4!
- threat
- 1.Qc2?
- threat
- 2.Bd5#
- 2.Qg2#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rxc4
- 2.Qxc4#
- 1...Rc5
- 2.Qg2#
- 1...Rd8
- 2.Qg2#
- 1...Bf2
- 2.Bd5#
- 1...fxg4!
- threat
- 1.Qd7?
- threat
- 2.Qxf5#
- 2.Qd4#
- 2.Qd5#
- 1...Bxe3+
- 2.Rxe3#
- 1...fxg4
- 2.Qh7#
- 1...Rc5
- 2.Qxf5#
- 2.Qd4#
- 1...Rd8
- 2.Bd5#
- 2.Qxf5#
- 1...Rf8
- 2.Bd5#
- 2.Qd4#
- 2.Qd5#
- 2.Qxb7#
- 1...Rxc4+!
- threat
- 1.Kb1?
- Keys
- 1.Qe8!
- 1...Rxc4+
- 2.Bc3#
- 1...Bxe3+
- 2.Rxe3#
- 1...Rxe8
- 2.Bd5#
- 1...fxg4
- 2.Qg6#
- 1...Rc6
- 2.Bd6#
- 1...Rc5
- 2.Sxc5#
- 1...Rc7
- 2.Bxc7#
- 1...Ra8
- 2.Sc5#
- 2.Bd5#
- 2.Bb8#
- 1...Rb8
- 2.Sc5#
- 2.Bd5#
- 2.Bxb8#
- 1...Rd8
- 2.Sc5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Rxc4+
- 1.Qe8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(e);CHECK,OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- R(e);N_PINB(G)::QAR(F)+B(G),DCHECK
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- Tries
- Try
- K(A);N_SPINB(G),P-FLIGHT
- Threat
- QAR(F)+B(G),DCHECK
- Vars
- R(e);OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- Refutation
- P(c);XP(I)
- Try
- K(A);N_SPINB(G),P-FLIGHT
- Threat
- QAR(F)+B(G),DCHECK
- Vars
- R(e);OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- Refutation
- P(c);XP(I)
- Try
- K(A);N_SPINB(G),S_FLIGHT
- Threat
- QAR(F)+B(G),DCHECK
- Vars
- R(e);OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- Refutation
- P(c);XP(I)
- Try
- K(A);N_SPINB(G),S_FLIGHT
- Threat
- QAR(F)+B(G),DCHECK
- Vars
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- R(e);OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- Refutation
- P(c);XP(I)
- Try
- S(H);
- Threat
- S(H)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- Refutation
- P(c);XP(I)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- R(e);::S(H)
- R(e);N_PINB(G)::S(H)
- Refutation
- P(c);XP(I)
- Try
- S(H);
- Threat
- S(H)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XB(G)::QAR2(F),XR(e)
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- R(e);N_GUARD,N_PINB(G)::S(H)
- Refutation
- P(c);XP(I)
- Try
- B(J);N_SPINB(G)
- Threat
- QAR(F)+B(G),DCHECK
- Vars
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- Refutation
- P(c);XP(I)
- Try
- Q(F);N_SPINB(G)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- R(e);OGATE,P_PINQ(F),XB(G)::QAR2(F),XR(e)
- R(e);::QAB(F)
- B(a);::B(G)
- Refutation
- P(c);XP(I)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- P(c);OGATEB,XP(I)::QAB(F)
- Refutation
- R(e);CHECK,XB(G)
- Try
- Actual
- Q(F);
- Vars
- R(e);CHECK,N_GUARD,XB(G)::QAR(F)+B(J)
- B(a);CHECK,OGATE,XP(C)::R1(D),XB(a)
- R(e);N_PINB(G),XQ(F)::B(G)
- P(c);OGATEB,XP(I)::QAB(F)
- R(e);N_GUARD::QAR(F)+B(J)
- R(e);N_GUARD::S(B),XR(e)
- R(e);N_GUARD::QAR(F)+B(J),XR(e)
- R(e);N_GUARD,N_PINB(G)::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(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).