MESON Chess Problem Database
Problem Display
PID: 5057 (2n1B3/4p1p1/4kp1n/R6p/1K3P1r/1N3p1N/7Q/3R4 w - - 0 1)
Blake, Percy Francis
HM., Kentish Mercury, 1898
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxf4+
- 2.Sxf4#
- 1...Sg4
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 1...Sf7
- 2.Bd7#
- 1...Sd6
- 2.Sd4#
- 1...Rxf4+
- Tries
- 1.Bg6?
- threat
- 2.Sc5#
- 1...Rxf4+
- 2.Sxf4#
- 1...f5!
- threat
- 1.Rd7?
- threat
- 2.Sd4#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sf5
- 2.Sc5#
- 1...f5!
- threat
- 1.Rd8?
- threat
- 2.Sd4#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sf5
- 2.Sc5#
- 1...f5!
- threat
- 1.Rad5?
- threat
- 2.Sc5#
- 1...Rxf4+
- 2.Sxf4#
- 1...f5!
- threat
- 1.Rg5?
- threat
- 2.Sc5#
- 1...Rxf4+
- 2.Sxf4#
- 1...f5
- 2.Rg6#
- 1...fxg5!
- threat
- 1.Qg1?
- threat
- 2.Qe3#
- 2.Qe1#
- 1...Rxf4+
- 2.Sxf4#
- 1...f5
- 2.Qg6#
- 1...Sg4
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 1...Sf7
- 2.Bd7#
- 1...Sd6
- 2.Sd4#
- 1...f2!
- threat
- 1.Qh1?
- threat
- 2.Qe1#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sg4
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 1...Sf7
- 2.Bd7#
- 1...Sd6
- 2.Sd4#
- 1...f2
- 2.Qe4#
- 2.Qd5#
- 1...f5!
- threat
- 1.Qc2?
- threat
- 2.Sc5#
- 2.Qe4#
- 2.Qc4#
- 2.Qxc8#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sb6
- 2.Sc5#
- 2.Qe4#
- 2.Qc6#
- 1...Sg4
- 2.Sc5#
- 2.Qf5#
- 2.Qc4#
- 2.Qxc8#
- 2.f5#
- 1...Sf7
- 2.Sc5#
- 2.Bd7#
- 2.Qf5#
- 2.Qc4#
- 2.Qxc8#
- 1...Sd6
- 2.Sd4#
- 2.Sc5#
- 1...Sa7
- 2.Sc5#
- 2.Qe4#
- 2.Qc4#
- 1...f5!
- threat
- 1.Qd2?
- threat
- 2.Re1#
- 2.Qe1#
- 2.Qe3#
- 2.Qd5#
- 2.Qd7#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sb6
- 2.Re1#
- 2.Qe1#
- 2.Qe3#
- 1...Sg4
- 2.Qd5#
- 2.Qd7#
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 2.Qd5#
- 2.Qd7#
- 1...Sf7
- 2.Bd7#
- 2.Qd5#
- 2.Qd7#
- 1...Sd6
- 2.Sd4#
- 2.Qd5#
- 1...f2
- 2.Qe3#
- 2.Qe2#
- 2.Qd5#
- 2.Qd7#
- 1...f5!
- threat
- 1.Qf2?
- threat
- 2.Qe1#
- 2.Qe3#
- 1...Rxf4+
- 2.Sxf4#
- 1...Sg4
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 1...Sf7
- 2.Bd7#
- 1...Sd6
- 2.Sd4#
- 1...f5!
- threat
- 1.Bg6?
- Keys
- 1.Qg3!
- threat
- 2.Qe1#
- 1...Rxf4+
- 2.Sxf4#
- 1...f5
- 2.Qg6#
- 1...Sg4
- 2.f5#
- 1...Sf5
- 2.Sc5#
- 1...Sf7
- 2.Bd7#
- 1...Sd6
- 2.Sd4#
- 1...f2
- 2.Qe3#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);CHECK,XP(F)::S(D),XR(b)
- S(f);N_PINP(F)::P(F)
- S(f);SBLOCK::S(C)
- S(f);SBLOCK::B(H)
- S(i);SBLOCK::S(C)
- Tries
- Try
- B(H);
- Threat
- S(C)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- S(C)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- S(f);SBLOCK::S(C)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- S(C)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- S(f);SBLOCK::S(C)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- S(C)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- S(C)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- P(e);OGATEB,SBLOCK::R(G)
- Refutation
- P(e);XR(G)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- P(e);OGATEB::QAR2(B)
- S(f);N_PINP(F)::P(F)
- S(f);SBLOCK::S(C)
- S(f);SBLOCK::B(H)
- S(i);SBLOCK::S(C)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- S(f);N_PINP(F)::P(F)
- S(f);SBLOCK::S(C)
- S(f);SBLOCK::B(H)
- S(i);SBLOCK::S(C)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- S(f);N_PINP(F)::P(F)
- S(f);SBLOCK::S(C)
- S(f);SBLOCK::B(H)
- S(i);SBLOCK::S(C)
- Refutation
- P(e);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);CHECK,XP(F)::S(D),XR(b)
- P(e);OGATEB::QAR2(B)
- S(f);N_PINP(F)::P(F)
- S(f);SBLOCK::S(C)
- S(f);SBLOCK::B(H)
- S(i);SBLOCK::S(C)
- P(a);OGATE::QAR(B)
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).