MESON Chess Problem Database
Problem Display
PID: 53930 (4B3/2p3p1/8/1P1pBp2/2N1k1N1/8/2nRKRn1/4b3 w - - 0 1)
Sprenger, Frederick
The Chess Review, 1935
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxd2
- 2.Sxd2#
- 1...Bxf2
- 2.Sxf2#
- 1...Sa1
- 2.Rd4#
- 1...Sa3
- 2.Rd4#
- 1...Sce3
- 2.Rd4#
- 1...Sb4
- 2.Rd4#
- 1...Sd4+
- 2.Rxd4#
- 1...Sge3
- 2.Rf4#
- 1...Sf4+
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...dxc4
- 2.Bc6#
- 1...d4
- 2.Bc6#
- 1...fxg4
- 2.Bg6#
- 1...f4
- 2.Bg6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Bxd2
- Tries
- 1.Bc6?
- threat
- 2.Bxd5#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4+
- 2.Rxf4#
- 1...Bxd2
- 2.Sxd2#
- 1...Sce3
- 2.Rd4#
- 1...Sb4
- 2.Rd4#
- 1...Sge3
- 2.Rf4#
- 1...f4!
- threat
- 1.Bg6?
- threat
- 2.Bxf5#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4+
- 2.Rxf4#
- 1...Bxf2
- 2.Sxf2#
- 1...Sce3
- 2.Rd4#
- 1...Sge3
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...d4!
- threat
- 1.Bd7?
- threat
- 2.Bxf5#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4+
- 2.Rxf4#
- 1...Bxf2
- 2.Sxf2#
- 1...fxg4
- 2.Bf5#
- 1...d4
- 2.Bc6#
- 1...Sce3
- 2.Rd4#
- 1...Sge3
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...g6
- 2.Sf6#
- 1...f4!
- threat
- 1.Bf7?
- threat
- 2.Bxd5#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4+
- 2.Rxf4#
- 1...Bxd2
- 2.Sxd2#
- 1...dxc4
- 2.Bd5#
- 1...f4
- 2.Bg6#
- 1...Sce3
- 2.Rd4#
- 1...Sb4
- 2.Rd4#
- 1...Sge3
- 2.Rf4#
- 1...c6
- 2.Sd6#
- 1...d4!
- threat
- 1.Bc6?
- Keys
- 1.b6!
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4+
- 2.Rxf4#
- 1...Bxd2
- 2.Sxd2#
- 1...Bxf2
- 2.Sxf2#
- 1...dxc4
- 2.Bc6#
- 1...fxg4
- 2.Bg6#
- 1...cxb6
- 2.Sd6#
- 1...d4
- 2.Bc6#
- 1...f4
- 2.Bg6#
- 1...Sa1
- 2.Rd4#
- 1...Sa3
- 2.Rd4#
- 1...Sce3
- 2.Rd4#
- 1...Sb4
- 2.Rd4#
- 1...Sge3
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Sd4+
- 1.b6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);XR(A)::S(D),XB(a)
- B(a);XR(C)::S(E),XB(a)
- S(b);N_GUARD::R1(A)
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);N_GUARD::R1(C)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- P(e);OGATEB,XS(D)::B(H)
- P(e);OGATEB::B(H)
- P(f);OGATEB,XS(E)::B(H)
- P(f);OGATEB::B(H)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(E)
- Tries
- Try
- B(H);P_PINP(e)
- Threat
- B(H),XP(e)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- B(a);XR(A)::S(D),XB(a)
- S(b);N_GUARD::R1(A)
- S(c);N_GUARD::R1(C)
- Refutation
- P(f);
- Try
- B(H);P_PINP(f)
- Threat
- B(H),XP(f)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- B(a);XR(C)::S(E),XB(a)
- S(b);N_GUARD::R1(A)
- S(c);N_GUARD::R1(C)
- Refutation
- P(e);
- Try
- B(H);
- Threat
- B(H),XP(f)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- B(a);XR(C)::S(E),XB(a)
- P(f);XS(E)::B(H)
- P(e);OGATEB::B(H)
- S(b);N_GUARD::R1(A)
- S(c);N_GUARD::R1(C)
- P(h);N_GUARD::S(E)
- Refutation
- P(f);
- Try
- B(H);
- Threat
- B(H),XP(e)
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- B(a);XR(A)::S(D),XB(a)
- P(e);XS(D)::B(H)
- P(f);OGATEB::B(H)
- S(b);N_GUARD::R1(A)
- S(c);N_GUARD::R1(C)
- P(g);N_GUARD::S(D)
- Refutation
- P(e);
- Try
- Actual
- P(F);
- Vars
- S(b);CHECK,N_GUARD::R1(A),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- B(a);XR(A)::S(D),XB(a)
- B(a);XR(C)::S(E),XB(a)
- P(e);OGATEB,XS(D)::B(H)
- P(f);OGATEB,XS(E)::B(H)
- P(g);N_GUARD,XP(F)::S(D)
- P(e);OGATEB::B(H)
- P(f);OGATEB::B(H)
- S(b);N_GUARD::R1(A)
- S(c);N_GUARD::R1(C)
- P(g);N_GUARD::S(D)
- P(h);N_GUARD::S(E)
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).