MESON Chess Problem Database
Problem Display
PID: 45231 (2b4K/2rp1Q1p/1PP1P3/RP2kN1R/1p4Pr/2bPP3/4n1BN/8 w - - 0 1)
Bridgwater, Ralph Herbert
8th Comm., BCF 045. Ty., 1943-1944
#2
14 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.Sxg4#
- 1...dxc6
- 2.bxc6#
- 1...d5
- 2.Sf3#
- 1...d6
- 2.Sxh4#
- 1...Rxg4
- Tries
- 1.Sd4+?
- 1...Kd6
- 2.Rd5#
- 2.Qf8#
- 1...Rxh5!
- 1...Kd6
- 1.Sd6+?
- 1...Rxh5
- 2.Sc4#
- 1...Kxd6+!
- 1...Rxh5
- 1.Sg7+?
- 1...Kd6
- 2.Rd5#
- 2.Qf8#
- 1...Rxh5!
- 1...Kd6
- 1.Rh6?
- threat
- 2.Qf6#
- 2.Qg7#
- 1...Rxg4
- 2.Sxg4#
- 2.Qf6#
- 1...dxc6
- 2.Qf6#
- 2.Qxc7#
- 2.bxc6#
- 1...dxe6
- 2.Qf6#
- 2.Qxc7#
- 1...d5
- 2.Sf3#
- 2.Qf6#
- 2.Qxc7#
- 1...d6
- 2.Qf6#
- 1...Rxh6!
- threat
- 1.exd7?
- threat
- 2.Sf3#
- 2.Qe7#
- 1...Rxh2
- 2.Qe7#
- 1...Rxc6
- 2.Sf3#
- 2.bxc6#
- 1...Rxd7
- 2.Sf3#
- 1...Bxd7
- 2.Sf3#
- 1...Rh3
- 2.Qe7#
- 1...Sg1
- 2.Qe7#
- 1...Sf4
- 2.Sf3#
- 1...Sd4!
- threat
- 1.e7?
- threat
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Rxh2
- 2.e8Q#
- 2.e8R#
- 1...Rxg4
- 2.Sf3#
- 2.Sxg4#
- 2.e8Q#
- 2.e8R#
- 1...Rxh5
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Rxc6
- 2.Sf3#
- 1...dxc6
- 2.Sf3#
- 2.bxc6#
- 1...Rh3
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Rb7
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Ba1
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Be1
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Bb2
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Bd2
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Bd4
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Ba6
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Bb7
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Sc1
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Sg1
- 2.e8Q#
- 2.e8R#
- 1...Sg3
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Sf4
- 2.Sf3#
- 1...b3
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...d5
- 2.Sf3#
- 1...d6
- 2.Sf3#
- 1...h6
- 2.Sf3#
- 2.e8Q#
- 2.e8R#
- 1...Sd4!
- threat
- 1.Sd4+?
- Keys
- 1.Kg7!
- threat
- 2.Qf6#
- 1...Rxg4+
- 2.Sxg4#
- 1...dxc6
- 2.bxc6#
- 1...dxe6
- 2.Qxc7#
- 1...d5
- 2.Sf3#
- 1...d6
- 2.Sxh4#
- threat
- 1.Kg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);XP(E)::S(B),XR(d)
- P(g);OGATE,XP(K)::R(F)+P(G),XP(g)
- P(g);SBLOCK::S(B)
- P(g);SBLOCK::R(I)+S(H),XR(d)
- Tries
- Try
- S(H);CHECK
- Refutation
- R(d);XR(I)
- Try
- S(H);CHECK
- Vars
- R(d);XR(I)::S(H)
- Refutation
- K(e);CHECK,S_FLIGHT,XS(H)
- Try
- S(H);CHECK
- Refutation
- R(d);XR(I)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- P(g);::QAB1(M)
- Refutation
- R(d);XR(I)
- Try
- P(L);XP(g)
- Threat
- DUALS(2)
- Vars
- R(d);XS(B)::QAR2(M)
- R(f);XP(L)::S(B)
- B(i);XP(L)::S(B)
- R(d);::QAR2(M)
- S(a);::QAR2(M)
- S(a);::S(B)
- Refutation
- S(a);
- Try
- P(L);
- Threat
- DUALS(3)
- Vars
- R(d);XS(B)::P=Q
- R(f);XP(K)::S(B)
- R(d);::P=Q
- S(a);::P=Q
- S(a);::S(B)
- P(g);::S(B)
- Refutation
- S(a);
- Try
- Actual
- K(N);S_FLIGHT
- Threat
- QAB1(M)
- Vars
- R(d);CHECK,XP(E)::S(B),XR(d)
- P(g);OGATE,P_PINQ(M),XP(K)::R(F)+P(G),XP(g)
- P(g);OGATE,P_PINQ(M),SBLOCK,XP(L)::QAB(M),XR(f)
- P(g);P_PINQ(M),SBLOCK::S(B)
- P(g);P_PINQ(M),SBLOCK::R(I)+S(H),XR(d)
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).