MESON Chess Problem Database
Problem Display
PID: 5009 (3R2bN/4pp2/Q5PB/2p1kp1n/7R/8/3P3N/1B2n1K1 w - - 0 1)
Blake, Percy Francis
1st Prize, Birmingham Daily Post, 1897-1898
#2
10 + 8
| 15 | British Chess Magazine | 1898 |
SOLUTION
- SOUND
- Sets
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3+
- 2.Sxf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...e6
- 2.Qa1#
- 1...fxg6
- 2.Sxg6#
- 1...f6
- 2.Qe2#
- 1...Bh7
- Tries
- 1.Bc2?
- 1...Sf3+
- 2.Sxf3#
- 1...Sxc2
- 2.Sf3#
- 1...fxg6
- 2.Sxg6#
- 1...e6
- 2.Qa1#
- 1...Bh7
- 2.Sxf7#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6
- 2.Qe2#
- 1...c4!
- 1...Sf3+
- 1.Be3?
- 1...Sf3+
- 2.Sxf3#
- 1...fxg6
- 2.Sxg6#
- 1...e6
- 2.Qa1#
- 1...c4
- 2.Bd4#
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6!
- 1...Sf3+
- 1.Bg5?
- threat
- 2.Qe2#
- 1...Sf3+
- 2.Sxf3#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...c4!
- threat
- 1.Bg7+?
- 1...Sf6
- 2.Qe2#
- 1...f6
- 2.Qe2#
- 1...Sxg7!
- 1...Sf6
- 1.Ra4?
- 1...Sf3+
- 2.Sxf3#
- 1...fxg6
- 2.Sxg6#
- 1...c4
- 2.Ra5#
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6
- 2.Qe2#
- 1...e6!
- 1...Sf3+
- 1.Rc4?
- threat
- 2.Rxc5#
- 1...Sf3+
- 2.Sxf3#
- 1...fxg6
- 2.Sxg6#
- 1...e6
- 2.Qa1#
- 1...Sc2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...f6!
- threat
- 1.Rd7?
- 1...Sf3+
- 2.Sxf3#
- 1...fxg6
- 2.Sxg6#
- 1...e6
- 2.Qa1#
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6
- 2.Qe2#
- 1...c4!
- 1...Sf3+
- 1.gxf7?
- threat
- 2.Sg6#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf7
- 2.Sxf7#
- 1...e6
- 2.Qa1#
- 1...Sf4
- 2.Bxf4#
- 2.Bg7#
- 1...Bh7!
- threat
- 1.g7?
- 1...Sf3+
- 2.Sxf3#
- 1...Sxg7
- 2.Bf4#
- 1...e6
- 2.Qa1#
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6
- 2.Sg6#
- 2.Qe2#
- 1...c4!
- 1...Sf3+
- 1.Bc2?
- Keys
- 1.Rb4!
- 1...Sf3+
- 2.Sxf3#
- 1...cxb4
- 2.d4#
- 1...fxg6
- 2.Sxg6#
- 1...e6
- 2.Qa1#
- 1...c4
- 2.Rb5#
- 1...Bh7
- 2.Sxf7#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sg3
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sf6
- 2.Bf4#
- 1...Sg7
- 2.Bf4#
- 1...f4
- 2.Sg4#
- 1...f6
- 2.Qe2#
- 1...Sf3+
- 1.Rb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(a);CHECK,N_GUARD::S(D),XS(a)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- P(f);SBLOCK::QAB(F)
- P(g);XP(G)::S(J),XP(g)
- P(g);SBLOCK::QAR(F)
- Tries
- Try
- B(A);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- S(a);N_GUARD,XB(A)::S(D)
- P(g);XP(G)::S(J),XP(g)
- P(f);SBLOCK::QAB(F)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- P(g);SBLOCK::QAR(F)
- Refutation
- P(b);
- Try
- B(H);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(g);XP(G)::S(J),XP(g)
- P(f);SBLOCK::QAB(F)
- P(b);N_GUARD::B(H)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- Refutation
- P(g);
- Try
- B(H);
- Threat
- QAR(F)
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- Refutation
- P(b);
- Try
- B(H);CHECK
- Vars
- S(e);P_SPINS(e)::QAR(F)
- P(g);P_SPINP(g)::QAR(F)
- Refutation
- S(e);XB(H)
- Try
- R(E);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(g);XP(G)::S(J),XP(g)
- P(b);OGATEB::R(E)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- P(g);SBLOCK::QAR(F)
- Refutation
- P(f);
- Try
- R(E);
- Threat
- R(E),XP(b)
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(g);XP(G)::S(J),XP(g)
- P(f);SBLOCK::QAB(F)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H),XS(e)
- S(e);N_GUARD::B(H)
- Refutation
- P(g);
- Try
- R(I);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(g);XP(G)::S(J),XP(g)
- P(f);SBLOCK::QAB(F)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- P(g);SBLOCK::QAR(F)
- Refutation
- P(b);
- Try
- P(G);XP(g)
- Threat
- S(J)
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- B(h);XP(G)::S(J),XB(h)
- P(f);SBLOCK::QAB(F)
- Refutation
- B(h);
- Try
- P(G);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- S(e);N_GUARD,XP(G)::B(H)
- P(f);SBLOCK::QAB(F)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- Refutation
- P(b);
- Try
- Actual
- R(E);
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(b);N_GUARD,XR(E)::P(C)
- P(g);XP(G)::S(J),XP(g)
- P(f);SBLOCK::QAB(F)
- P(b);OGATEB::R(E)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::S(D)
- S(e);N_GUARD::B(H)
- S(e);N_GUARD::B(H),XS(e)
- P(d);N_GUARD::S(D)
- P(g);SBLOCK::QAR(F)
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).