MESON Chess Problem Database
Problem Display
PID: 184050 (8/K2p4/Q2R4/8/b2RBN2/5p1N/3B3p/r2k2rn w - - 0 1)
Greenwood, William M
British Chess Magazine, 1915
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Bc3#
- 2.Bb4#
- 2.Ba5#
- 1...Re1
- 2.Be3#
- 1...Rf1
- 2.Qxf1#
- 1...Rg2
- 2.Qf1#
- 1...Rg3
- 2.Qf1#
- 1...Rg4
- 2.Qf1#
- 1...Rg5
- 2.Qf1#
- 1...Rg6
- 2.Qf1#
- 1...Rg7
- 2.Qf1#
- 1...Rg8
- 2.Qf1#
- 1...Bc2
- 2.Bxf3#
- 1...Bb3
- 2.Qxa1#
- 1...Bb5
- 2.Qxa1#
- 1...Bc6
- 2.Qxa1#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...f2
- 2.Qe2#
- 1...Rc1
- Tries
- 1.Se2?
- threat
- 2.Sc3#
- 2.Bc3#
- 2.Bb4#
- 2.Ba5#
- 1...Bb5
- 2.Sc3#
- 1...Ra2
- 2.Sc3#
- 1...Rc1
- 2.Bc3#
- 2.Bb4#
- 2.Ba5#
- 1...Ra3
- 2.Bc3#
- 1...Bc2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 2.Sxf2#
- 1...fxe2!
- threat
- 1.Sd5?
- threat
- 2.Sc3#
- 2.Se3#
- 1...Bb5
- 2.Sc3#
- 1...Rc1
- 2.Se3#
- 2.Bc3#
- 2.Bb4#
- 2.Ba5#
- 1...Re1
- 2.Sc3#
- 2.Be3#
- 2.Bf4#
- 2.Bg5#
- 2.Bh6#
- 1...Ra3!
- threat
- 1.Rc4?
- threat
- 2.Bb4#
- 2.Ba5#
- 2.Bxf3#
- 1...Ra2
- 2.Bxf3#
- 2.Rc1#
- 1...Ra3
- 2.Rc1#
- 1...Re1
- 2.Bc1#
- 2.Be3#
- 2.Bb4#
- 2.Ba5#
- 1...Rf1
- 2.Bb4#
- 2.Ba5#
- 1...Rg3
- 2.Bb4#
- 2.Ba5#
- 1...Rg5
- 2.Bxf3#
- 1...Rg6
- 2.Bxf3#
- 1...Bc2
- 2.Bxc2#
- 2.Bxf3#
- 1...Bc6
- 2.Bc2#
- 2.Qxa1#
- 1...Sf2
- 2.Sxf2#
- 2.Bxf3#
- 1...Sg3
- 2.Sf2#
- 2.Bb4#
- 2.Ba5#
- 1...f2
- 2.Bb4#
- 2.Ba5#
- 2.Bf3#
- 1...Rg2!
- threat
- 1.Rc6?
- threat
- 2.Bb4#
- 2.Ba5#
- 2.Bxf3#
- 1...Bxc6
- 2.Qxa1#
- 1...Ra2
- 2.Bxf3#
- 2.Rc1#
- 1...Ra3
- 2.Rc1#
- 1...Re1
- 2.Bc1#
- 2.Be3#
- 2.Bb4#
- 2.Ba5#
- 1...Rf1
- 2.Bb4#
- 2.Ba5#
- 2.Qxf1#
- 1...Rg2
- 2.Qf1#
- 1...Rg3
- 2.Bb4#
- 2.Ba5#
- 2.Qf1#
- 1...Bc2
- 2.Bxc2#
- 2.Bxf3#
- 1...Bb5
- 2.Bc2#
- 2.Qxa1#
- 1...Sf2
- 2.Sxf2#
- 2.Bxf3#
- 1...Sg3
- 2.Sf2#
- 2.Bb4#
- 2.Ba5#
- 1...f2
- 2.Bb4#
- 2.Ba5#
- 2.Bf3#
- 2.Qe2#
- 1...dxc6!
- threat
- 1.Qc4?
- threat
- 2.Bb4#
- 2.Ba5#
- 2.Bxf3#
- 1...Bb3+
- 2.Ba5#
- 1...Bb5+
- 2.Ba5#
- 1...Bc6+
- 2.Ba5#
- 1...Ra2
- 2.Bxf3#
- 2.Qc1#
- 1...Ra3
- 2.Qc1#
- 1...Re1
- 2.Bc1#
- 2.Be3#
- 2.Bb4#
- 2.Ba5#
- 1...Rf1
- 2.Bb4#
- 2.Ba5#
- 2.Qxf1#
- 1...Rg2
- 2.Qf1#
- 1...Rg3
- 2.Bb4#
- 2.Ba5#
- 2.Qf1#
- 1...Sf2
- 2.Sxf2#
- 2.Bxf3#
- 1...Sg3
- 2.Sf2#
- 2.Bb4#
- 2.Ba5#
- 1...f2
- 2.Bb4#
- 2.Ba5#
- 2.Bf3#
- 2.Qe2#
- 1...Bc2+!
- threat
- 1.Se2?
- Keys
- 1.Rb4!
- 1...Ra2
- 2.Rb1#
- 1...Rb1
- 2.Rxb1#
- 1...Rc1
- 2.Bc3#
- 1...Ra3
- 2.Rb1#
- 1...Re1
- 2.Be3#
- 1...Rf1
- 2.Qxf1#
- 1...Rg2
- 2.Qf1#
- 1...Rg3
- 2.Qf1#
- 1...Rg4
- 2.Qf1#
- 1...Rg5
- 2.Qf1#
- 1...Rg6
- 2.Qf1#
- 1...Rg7
- 2.Qf1#
- 1...Rg8
- 2.Qf1#
- 1...Bc2
- 2.Bxf3#
- 1...Bb3
- 2.Qxa1#
- 1...Bb5
- 2.Qxa1#
- 1...Bc6
- 2.Qxa1#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...f2
- 2.Qe2#
- 1...Ra2
- 1.Rb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK::R(C)+B(A)
- R(c);N_GUARD::QAR2(F),XR(c)
- R(c);N_GUARD::QAR2(F)
- B(g);P_PINQ(F),SBLOCK::B(D),XP(f)
- B(g);OGATE,P_PINQ(F)::QAR(F),XR(a)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- P(f);N_GUARD::QAB1(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- B(g);P_PINQ(F)::S(E)
- R(a);::S(E)
- R(a);::R(C)+B(A)
- Refutation
- P(f);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(g);P_PINQ(F)::S(E)
- Refutation
- R(a);
- Try
- R(C);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::R1(C)
- R(c);::B(D),XP(f)
- Refutation
- R(c);
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- B(g);OGATE,P_PINQ(F),XR(G)::QAR(F),XR(a)
- R(a);N_GUARD::R1(G)
- R(c);N_GUARD::QAR2(F)
- Refutation
- P(h);XR(G)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(g);CHECK::R(C)+B(A)
- R(a);N_GUARD::QAR1(F)
- R(c);N_GUARD::QAR2(F)
- Refutation
- B(g);CHECK
- Try
- Actual
- R(C);
- Vars
- R(a);N_GUARD::R(C)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::R(G)+B(A)
- R(c);SBLOCK::R(G)+B(A)
- R(c);N_GUARD::QAR2(F),XR(c)
- R(c);N_GUARD::QAR2(F)
- B(g);P_PINQ(F),SBLOCK::B(D),XP(f)
- B(g);OGATE,P_PINQ(F)::QAR(F),XR(a)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- P(f);N_GUARD::QAB1(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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