MESON Chess Problem Database
Problem Display
PID: 108141 (5n2/6K1/1Bpp1R2/4k1N1/4B2n/1Q1b4/7P/b7 w - - 0 1)
Gleave, Walter
Pen & Pencil, 1888
(First published on Sat Oct 27 1888)
#2
7 + 7
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bb1
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bc4
- 2.Qg3#
- 1...Bxe4
- 2.Sf7#
- 1...Bb5
- 2.Qg3#
- 1...Ba6
- 2.Qg3#
- 1...Sg2
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Sf5+
- 2.Rxf5#
- 1...Shg6
- 2.Rf5#
- 1...Se6+
- 2.Qxe6#
- 1...Sfg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...c5
- 2.Qd5#
- 1...Bb2
- Tries
- 1.Bxd3?
- threat
- 2.Sf7#
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...c5!
- threat
- 1.Bxc6?
- threat
- 2.Sf7#
- 2.Qd5#
- 1...Se6+
- 2.Qxe6#
- 1...Bf5
- 2.Qg3#
- 1...Bc4
- 2.Qe3#
- 2.Qg3#
- 1...Be4
- 2.Sf7#
- 2.Qg3#
- 1...Bg6
- 2.Qd5#
- 2.Qg3#
- 1...d5
- 2.Qxd5#
- 1...Sf5+!
- threat
- 1.Bg1?
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...Bxe4
- 2.Sf7#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bb1
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bc4
- 2.Qg3#
- 1...Bb5
- 2.Qg3#
- 1...Ba6
- 2.Qg3#
- 1...Sg2
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Shg6
- 2.Rf5#
- 1...Sfg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...c5
- 2.Qd5#
- 1...d5
- 2.Qb8#
- 1...Bd4!
- 1...Sf5+
- 1.Bc5?
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...Bxe4
- 2.Sf7#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Bxd6#
- 1...Bb1
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bc4
- 2.Qg3#
- 1...Bb5
- 2.Qg3#
- 1...Ba6
- 2.Qg3#
- 1...Sg2
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Shg6
- 2.Rf5#
- 1...Sfg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...d5
- 2.Qb8#
- 1...dxc5!
- 1...Sf5+
- 1.Ba7?
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...Bxe4
- 2.Sf7#
- 1...c5
- 2.Qd5#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bb1
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bc4
- 2.Qg3#
- 1...Bb5
- 2.Qg3#
- 1...Ba6
- 2.Qg3#
- 1...Sg2
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Shg6
- 2.Rf5#
- 1...Sfg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...d5
- 2.Qb8#
- 1...Bd4!
- 1...Sf5+
- 1.Rxf8?
- threat
- 2.Qe6#
- 1...Sf5+
- 2.Rxf5#
- 1...c5
- 2.Qd5#
- 1...Bc4
- 2.Qg3#
- 1...d5!
- threat
- 1.Qa4?
- threat
- 2.Sf7#
- 2.Qxa1#
- 1...Sf5+
- 2.Rxf5#
- 1...Bxe4
- 2.Qxe4#
- 1...Bd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Bb2
- 2.Sf7#
- 1...Bc3
- 2.Sf7#
- 1...Bc4
- 2.Qxa1#
- 1...Sf3
- 2.Sxf3#
- 2.Sf7#
- 2.Rf5#
- 1...d5
- 2.Sf7#
- 2.Bc7#
- 1...Se6+!
- threat
- 1.Qc4?
- threat
- 2.Sf7#
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...Bd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Bxc4!
- threat
- 1.Qa3?
- threat
- 2.Qxd6#
- 2.Qxa1#
- 1...Sf5+
- 2.Rxf5#
- 1...Bxe4
- 2.Qxd6#
- 1...c5
- 2.Qxa1#
- 1...Bd4
- 2.Qxd6#
- 1...Bb2
- 2.Qxb2#
- 2.Qxd6#
- 1...Bc3
- 2.Qxd6#
- 2.Qxc3#
- 1...Sf3
- 2.Rf5#
- 2.Qxd6#
- 1...d5
- 2.Qd6#
- 1...Se6+!
- threat
- 1.Qxd3?
- threat
- 2.Sf7#
- 2.Qg3#
- 2.Qxd6#
- 1...Sf5+
- 2.Rxf5#
- 1...Bd4
- 2.Sf7#
- 2.Bxd4#
- 2.Qg3#
- 2.Qxd4#
- 1...Sg2
- 2.Sf3#
- 2.Sf7#
- 2.Rf5#
- 2.Qxd6#
- 1...Sf3
- 2.Sxf3#
- 2.Sf7#
- 2.Rf5#
- 2.Qxd6#
- 1...Shg6
- 2.Sf3#
- 2.Sf7#
- 2.Rf5#
- 2.Qxd6#
- 1...Sfg6
- 2.Sf7#
- 2.Qxd6#
- 1...c5
- 2.Sf7#
- 2.Qd5#
- 2.Qxd6#
- 1...d5
- 2.Sf7#
- 2.Bc7#
- 2.Qg3#
- 1...Se6+!
- threat
- 1.Qb4?
- threat
- 2.Sf7#
- 2.Qxd6#
- 1...Sf5+
- 2.Rxf5#
- 1...Bxe4
- 2.Qxd6#
- 2.Qxe4#
- 1...Bd4
- 2.Bxd4#
- 2.Qxd6#
- 2.Qxd4#
- 1...Bc4
- 2.Qxd6#
- 1...c5
- 2.Sf7#
- 1...d5
- 2.Sf7#
- 2.Bc7#
- 2.Qd6#
- 1...Se6+!
- threat
- 1.Bxd3?
- Keys
- 1.Bf2!
- 1...Sf5+
- 2.Rxf5#
- 1...Se6+
- 2.Qxe6#
- 1...Bxe4
- 2.Sf7#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Bg3#
- 1...Bb1
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bc4
- 2.Qg3#
- 1...Bb5
- 2.Qg3#
- 1...Ba6
- 2.Qg3#
- 1...Sg2
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Shg6
- 2.Rf5#
- 1...Sfg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...c5
- 2.Qd5#
- 1...d5
- 2.Qb8#
- 1...Sf5+
- 1.Bf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(B),XB(a)
- B(b);OGATE::QAB(B)
- B(b);SBLOCK,XB(C)::S(D)
- S(c);N_GUARD::R1(F)
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- P(e);N_GUARD::QAR1(B)
- Tries
- Try
- B(C);XB(b)
- Threat
- S(D)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- Refutation
- P(e);
- Try
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- B(b);OGATE::QAB(B)
- P(f);::QAR1(B),XP(f)
- Refutation
- S(c);CHECK
- Try
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- B(b);SBLOCK,XB(C)::S(D)
- B(a);N_GUARD::QAB(B),XB(a)
- B(b);OGATE::QAB(B)
- S(c);N_GUARD::R1(F)
- S(g);N_GUARD::QAR1(B)
- P(e);N_GUARD::QAR1(B)
- P(f);OGATEB::QAB(B)
- Refutation
- B(a);
- Try
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- B(b);SBLOCK,XB(C)::S(D)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::B(E),XP(f)
- B(b);OGATE::QAB(B)
- S(c);N_GUARD::R1(F)
- S(g);N_GUARD::QAR1(B)
- P(f);OGATEB::QAB(B)
- Refutation
- P(f);XB(E)
- Try
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- B(b);SBLOCK,XB(C)::S(D)
- P(e);N_GUARD::QAR1(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(b);OGATE::QAB(B)
- S(c);N_GUARD::R1(F)
- S(g);N_GUARD::QAR1(B)
- P(f);OGATEB::QAB(B)
- Refutation
- B(a);
- Try
- R(F);XS(g)
- Threat
- QAR1(B)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- P(e);N_GUARD::QAR1(B)
- B(b);OGATE::QAB(B)
- Refutation
- P(f);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- B(b);OGATE,XB(C)::QAR1(B),XB(b)
- B(a);::S(D)
- B(b);::QAB(B),XB(a)
- Refutation
- S(g);CHECK
- Try
- Q(B);
- Threat
- S(D)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- Refutation
- B(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- B(b);XB(C)::QAB1(B),XP(f)
- P(e);::QAB(B),XB(a)
- B(a);::QAB1(B),XP(f)
- P(f);::QAB1(B)
- Refutation
- S(g);CHECK
- Try
- Q(B);XB(b)
- Threat
- DUALS(3)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- Refutation
- S(g);CHECK
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- B(b);::QAB1(B),XP(f)
- P(e);::S(D)
- Refutation
- S(g);CHECK
- Try
- Actual
- B(E);
- Vars
- S(c);CHECK,N_GUARD::R1(F),XS(c)
- S(g);CHECK,N_GUARD::QAR1(B),XS(g)
- B(b);SBLOCK,XB(C)::S(D)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::B(E)
- B(b);OGATE::QAB(B)
- S(c);N_GUARD::R1(F)
- S(g);N_GUARD::QAR1(B)
- P(e);N_GUARD::QAR1(B)
- P(f);OGATEB::QAB(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).