MESON Chess Problem Database
Problem Display
PID: 44385 (2N2N2/8/2p1B2P/2n1k1b1/2Q5/1n2P3/5B2/3K4 w - - 0 1)
Gilberg, Charles Alexander
Source?, 0000
#2
8 + 5
| 176 | Crumbs from the Chess-board | 1890 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Qxf4#
- 1...Bh4
- 2.Qf4#
- 1...Bf6
- 2.Sg6#
- 2.Bg3#
- 2.Qf4#
- 1...Be7
- 2.Qf4#
- 1...Bd8
- 2.Qf4#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sxe6
- 2.Qxe6#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Bf4
- Tries
- 1.Bg3+?
- 1...Bf4
- 2.Qxf4#
- 1...Kf6!
- 1...Bf4
- 1.Qd5+?
- 1...Kf6
- 2.Qf5#
- 1...cxd5!
- 1...Kf6
- 1.Qc3+?
- 1...Sd4
- 2.Qxd4#
- 1...Ke4!
- 1...Sd4
- 1.Qg4?
- threat
- 2.Qf5#
- 1...Kf6
- 2.Qf5#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd4
- 2.Qxd4#
- 1...Bxe3!
- threat
- 1.Qxc5+?
- 1...Ke4
- 2.Qf5#
- 1...Kf6
- 2.Qf5#
- 1...Sxc5!
- 1...Ke4
- 1.h7?
- 1...Kf6
- 2.h8Q#
- 2.h8B#
- 1...Bxe3
- 2.h8Q#
- 2.h8B#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd4
- 2.Qxd4#
- 1...Bf4
- 2.Qxf4#
- 2.h8Q#
- 2.h8B#
- 1...Bh4
- 2.Qf4#
- 1...Bf6
- 2.Sg6#
- 2.Bg3#
- 2.Qf4#
- 1...Be7
- 2.Qf4#
- 1...Bd8
- 2.Qf4#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Bh6!
- 1...Kf6
- 1.Bg3+?
- Keys
- 1.Bh4!
- 1...Kf6
- 2.Qf4#
- 1...Bxe3
- 2.Sg6#
- 1...Bxh4
- 2.Qf4#
- 1...Bxh6
- 2.Sg6#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd4
- 2.Qxd4#
- 1...Bf4
- 2.Sg6#
- 2.Qxf4#
- 2.exf4#
- 1...Bf6
- 2.Sg6#
- 2.Bg3#
- 2.Qf4#
- 1...Be7
- 2.Sg6#
- 2.Qf4#
- 1...Bd8
- 2.Sg6#
- 2.Qf4#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Kf6
- 1.Bh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(d);N_GUARD::QAB1(D),XB(d)
- B(d);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(b);N_GUARD::S(H)
- S(b);OGATE,XB(E)::QAR1(D),XS(b)
- S(b);N_GUARD::S(H),XS(b)
- Tries
- Try
- B(B);CHECK
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAB1(D),XB(d)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR1(D)
- Refutation
- P(e);XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(D),XS(a)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(c);S_FLIGHT::QAR1(D)
- S(b);OGATE,XB(E)::QAR1(D),XS(b)
- S(a);N_GUARD::QAB1(D),XS(a)
- Refutation
- B(d);XP(C)
- Try
- Q(D);CHECK,XS(b)
- Vars
- K(c);OGATE,P-FLIGHT::QAB1(D)
- K(c);OGATE,S_FLIGHT::QAR1(D)
- Refutation
- S(a);XQ(D)
- Try
- P(F);
- Vars
- K(c);S_FLIGHT::P=Q
- B(d);N_GUARD,XP(C)::P=Q
- S(b);OGATE,XB(E)::QAR1(D),XS(b)
- S(a);N_GUARD::QAB1(D),XS(a)
- B(d);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(d);
- Try
- Actual
- B(B);
- Vars
- K(c);P_SPINB(d),S_FLIGHT::QAR2(D)
- B(d);XP(C)::S(H)
- B(d);N_GUARD,XB(B)::QAB1(D)
- B(d);XP(F)::S(H)
- S(b);OGATE,XB(E)::QAR1(D),XS(b)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(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).