MESON Chess Problem Database
Problem Display
PID: 4984 (3n4/3r2pK/R5N1/3k2r1/2p3B1/B3P3/3p2b1/1Q5R w - - 0 1)
Blake, Percy Francis
Brighton Society, 1896
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.Qf5#
- 1...Re5
- 2.Sf4#
- 1...Rf5
- 2.Qxf5#
- 1...Rh5+
- 2.Rxh5#
- 1...Rxg6
- 2.Qf5#
- 1...Rd6
- 2.Rxd6#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...Bf1
- 2.Bf3#
- 1...Bxh1
- 2.Qxh1#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 1...Be4
- 2.Qb5#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...d1Q
- 2.Rxd1#
- 1...d1S
- 2.Rxd1#
- 1...d1B
- 2.Rxd1#
- 1...d1R
- 2.Rxd1#
- 1...c3
- 2.Qd3#
- 1...Rxg4
- Tries
- 1.Kg8?
- 1...Rxg4
- 2.Qf5#
- 1...Rxg6
- 2.Qf5#
- 1...Bxh1
- 2.Qxh1#
- 1...c3
- 2.Qd3#
- 1...d1Q
- 2.Rxd1#
- 1...d1S
- 2.Rxd1#
- 1...d1B
- 2.Rxd1#
- 1...d1R
- 2.Rxd1#
- 1...Re5
- 2.Sf4#
- 1...Rf5
- 2.Qxf5#
- 1...Rh5
- 2.Rxh5#
- 1...Rd6
- 2.Rxd6#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...Bf1
- 2.Bf3#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 1...Be4
- 2.Qb5#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...Sc6!
- 1...Rxg4
- 1.Bf5?
- threat
- 2.Qb5#
- 1...Rxf5
- 2.Qxf5#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Rh5+!
- threat
- 1.Bxd7?
- threat
- 2.Ra5#
- 2.Rd6#
- 1...Rh5+
- 2.Rxh5#
- 1...Rxg6
- 2.Ra5#
- 2.Qf5#
- 1...c3
- 2.Qd3#
- 1...Se6
- 2.Bc6#
- 2.Bxe6#
- 2.Rd6#
- 2.Qb7#
- 1...Sb7
- 2.Be6#
- 2.Qxb7#
- 1...Sf7
- 2.Be6#
- 2.Ra5#
- 2.Qb7#
- 1...Sc6!
- threat
- 1.Re6?
- threat
- 2.Sf4#
- 2.Qb5#
- 1...Rh5+
- 2.Rxh5#
- 1...Rxg4
- 2.Qf5#
- 1...Rxg6
- 2.Qf5#
- 2.Qb5#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Se7#
- 2.Rxd6#
- 2.Qb5#
- 1...c3
- 2.Qa2#
- 2.Qd3#
- 2.Qb3#
- 2.Qb5#
- 1...Re5
- 2.Sf4#
- 1...Rb7
- 2.Sf4#
- 2.Rd6#
- 1...Rc7
- 2.Sf4#
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 2.Qb5#
- 1...Be4
- 2.Qxe4#
- 2.Qb5#
- 1...Sb7
- 2.Sf4#
- 1...Sxe6!
- threat
- 1.Kg8?
- Keys
- 1.Rb6!
- 1...Rh5+
- 2.Rxh5#
- 1...Rxg4
- 2.Qf5#
- 1...Rxg6
- 2.Qf5#
- 1...Bxh1
- 2.Qxh1#
- 1...c3
- 2.Qd3#
- 1...d1Q
- 2.Rxd1#
- 1...d1S
- 2.Rxd1#
- 1...d1B
- 2.Rxd1#
- 1...d1R
- 2.Rxd1#
- 1...Sc6
- 2.Rb5#
- 1...Re5
- 2.Sf4#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Rxd6#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...Bf1
- 2.Bf3#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 1...Be4
- 2.Qb5#
- 1...Se6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...Rh5+
- 1.Rb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD,XB(E)::QAR2(A)
- R(e);SBLOCK::S(G)
- R(e);N_GUARD::QAR2(A),XR(e)
- R(e);CHECK,OGATEB::R(B),XR(e)
- R(e);N_GUARD,XS(G)::QAR2(A)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);N_GUARD::R1(F)
- B(b);N_GUARD::B(E)
- B(b);OGATE,XR(B)::QAB(A),XB(b)
- B(b);N_GUARD::B(E),XB(b)
- B(b);P_PINS(G),SBLOCK::QAR2(A)
- S(h);N_GUARD::B(E),XS(h)
- S(h);N_GUARD::B(E)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- P(c);N_GUARD::QAR2(A)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- R(e);N_GUARD,XB(E)::QAR2(A)
- R(e);N_GUARD,XS(G)::QAR2(A)
- B(b);OGATE,XR(B)::QAB(A),XB(b)
- P(c);N_GUARD::QAR2(A)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- R(e);SBLOCK::S(G)
- R(e);N_GUARD::QAR2(A),XR(e)
- R(e);OGATEB::R(B),XR(e)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);N_GUARD::R1(F)
- B(b);N_GUARD::B(E)
- B(b);N_GUARD::B(E),XB(b)
- B(b);SBLOCK::QAR2(A)
- S(h);N_GUARD::B(E),XS(h)
- S(h);N_GUARD::B(E)
- Refutation
- S(h);
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- R(e);OGATE,XB(E)::QAR2(A),XR(e)
- R(f);N_GUARD::R1(F)
- S(h);N_GUARD::B(E),XS(h)
- S(h);N_GUARD::B(E)
- Refutation
- R(e);CHECK
- Try
- B(E);XR(f)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,OGATEB::R(B),XR(e)
- P(c);N_GUARD::QAR2(A)
- Refutation
- S(h);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,OGATEB::R(B),XR(e)
- R(e);N_GUARD,XB(E)::QAR2(A)
- R(e);N_GUARD::QAR2(A),XR(e)
- R(e);::S(G)
- S(h);::S(G)
- Refutation
- S(h);XR(F)
- Try
- Actual
- R(F);
- Vars
- R(e);CHECK,OGATEB::R(B),XR(e)
- R(e);N_GUARD,XB(E)::QAR2(A)
- R(e);N_GUARD,XS(G)::QAR2(A)
- B(b);OGATE,XR(B)::QAB(A),XB(b)
- P(c);N_GUARD::QAR2(A)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(h);SBLOCK::R(F)
- R(e);SBLOCK::S(G)
- R(e);N_GUARD::QAR2(A),XR(e)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);N_GUARD::R1(F)
- B(b);N_GUARD::B(E)
- B(b);N_GUARD::B(E),XB(b)
- B(b);P_PINS(G),SBLOCK::QAR2(A)
- S(h);N_GUARD::B(E),XS(h)
- S(h);N_GUARD::B(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).