MESON Chess Problem Database
Problem Display
PID: 198149 (3N3b/2Q5/pn2K2p/5B1P/1P1k1p1B/Nn6/5P1R/3b4 w - - 0 1)
Campbell, AWD
Western Daily Mercury, 1920
(First published on Fri Sep 24 1920)
#2
10 + 8
| 6490 | yacpdb | 2019 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Bxh5
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sc5+
- 2.Qxc5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...Bc2
- Tries
- 1.Sb1?
- threat
- 2.Qxf4#
- 2.Qc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Bc2
- 2.Qc3#
- 1...Bf3
- 2.Qc3#
- 1...Be5
- 2.Qc3#
- 1...Sd2
- 2.Qc3#
- 2.Qc5#
- 1...Sa4
- 2.Qxf4#
- 1...Sc4
- 2.Sc6#
- 2.Qxf4#
- 1...f3
- 2.Qf4#
- 2.Qc3#
- 1...Sd5!
- threat
- 1.Sb7?
- 1...Sc5+
- 2.Qxc5#
- 1...Bxh5
- 2.Sc2#
- 1...Sc4
- 2.Qxc4#
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sa4
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...f3!
- 1...Sc5+
- 1.Bg5?
- 1...Sc5+
- 2.Qxc5#
- 1...Bxh5
- 2.Sc2#
- 1...Sc4
- 2.Qxc4#
- 1...f3
- 2.Be3#
- 2.Rh4#
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sa4
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...hxg5!
- 1...Sc5+
- 1.Be7?
- 1...Sc5+
- 2.Qxc5#
- 1...Bxh5
- 2.Sc2#
- 1...Sc4
- 2.Qxc4#
- 1...f3
- 2.Rh4#
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sa4
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...Bg7!
- 1...Sc5+
- 1.Rh1?
- 1...Sc5+
- 2.Qxc5#
- 1...Bxh5
- 2.Sc2#
- 1...Sc4
- 2.Qxc4#
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Rxd1#
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Rxd1#
- 2.Qc5#
- 1...Sa4
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...f3!
- 1...Sc5+
- 1.Rh3?
- threat
- 2.Sc6#
- 2.Rd3#
- 2.Qxf4#
- 2.Qc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Bc2
- 2.Sxc2#
- 2.Sc6#
- 2.Qc3#
- 1...Be2
- 2.Sc2#
- 2.Sc6#
- 2.Qxf4#
- 2.Qc3#
- 1...Bf3
- 2.Sc2#
- 1...Be5
- 2.Sc6#
- 2.Rd3#
- 2.Qxe5#
- 2.Qc3#
- 1...Sc1
- 2.Sc6#
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qc5#
- 1...Sd2
- 2.Sc6#
- 2.Rd3#
- 2.Qxb6#
- 2.Qc3#
- 2.Qc5#
- 1...Sa5
- 2.Rd3#
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qc5#
- 1...Sa4
- 2.Sc6#
- 2.Rd3#
- 2.Qxf4#
- 2.Qd6#
- 2.Qc4#
- 2.Qd7#
- 1...Sc4
- 2.Sc6#
- 2.Rd3#
- 2.Qxf4#
- 2.Qxc4#
- 1...Sd5
- 2.Sc6#
- 2.Rd3#
- 2.Qc4#
- 1...f3!
- threat
- 1.Qxb6+?
- 1...Sc5+
- 2.Qxc5#
- 1...Kc3!
- 1...Sc5+
- 1.Qc1?
- threat
- 2.Sc6#
- 2.Qb2#
- 1...Sc5+
- 2.Qxc5#
- 1...Bc2
- 2.Qb2#
- 1...Bf3
- 2.Qb2#
- 1...Sa5
- 2.Qb2#
- 2.Qd2#
- 2.Qa1#
- 2.Qc5#
- 1...Sa4
- 2.Sc6#
- 2.Qc4#
- 1...Sc4
- 2.Sc6#
- 2.Qxc4#
- 1...Sd5
- 2.Sc6#
- 2.Qc4#
- 1...Sxc1!
- threat
- 1.Qc2?
- threat
- 2.Sc6#
- 2.Qd3#
- 2.Qb2#
- 1...Sc5+
- 2.Qxc5#
- 1...Be2
- 2.Sc6#
- 2.Qb2#
- 1...Bf3
- 2.Qd3#
- 2.Qb2#
- 1...Sc1
- 2.Sc6#
- 2.Qb2#
- 2.Qc5#
- 1...Sa5
- 2.Qd3#
- 2.Qb2#
- 2.Qd2#
- 2.Qc5#
- 1...Sa4
- 2.Sc6#
- 2.Qd3#
- 2.Qc4#
- 1...Sc4
- 2.Sc6#
- 2.Qd3#
- 2.Qxc4#
- 1...Sd5
- 2.Sc6#
- 2.Qd3#
- 2.Qc4#
- 1...Bxc2!
- threat
- 1.Sb1?
- Keys
- 1.Rg2!
- 1...Sc5+
- 2.Qxc5#
- 1...Bxh5
- 2.Sc2#
- 1...Sc4
- 2.Qxc4#
- 1...f3
- 2.Rg4#
- 1...Bc2
- 2.Sxc2#
- 1...Be2
- 2.Sc2#
- 1...Bf3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Bxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Qc5#
- 1...Sc1
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sa5
- 2.Qc5#
- 1...Sa4
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...a5
- 2.Sb5#
- 1...Sc5+
- 1.Rg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(a);N_GUARD,XP(G)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::QAB(I),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- S(f);N_GUARD::QAR1(I)
- S(f);N_GUARD::QAR1(I),XS(f)
- P(e);N_GUARD::S(C)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);::QAB1(I)
- B(h);::QAB1(I)
- S(f);::QAR2(I),XP(d)
- Refutation
- S(f);
- Try
- S(J);
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD,XP(G)::S(C)
- S(f);N_GUARD::QAR1(I),XS(f)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::QAB(I),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAR1(I)
- P(e);N_GUARD::S(C)
- Refutation
- P(d);
- Try
- B(E);
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD,XP(G)::S(C)
- S(f);N_GUARD::QAR1(I),XS(f)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::QAB(I),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAR1(I)
- P(e);N_GUARD::S(C)
- Refutation
- P(g);XB(E)
- Try
- B(E);
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD,XP(G)::S(C)
- S(f);N_GUARD::QAR1(I),XS(f)
- P(d);OGATEB::R(B)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAR1(I)
- P(e);N_GUARD::S(C)
- Refutation
- B(h);
- Try
- R(B);
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD,XP(G)::S(C)
- S(f);N_GUARD::QAR1(I),XS(f)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::QAB(I),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAR1(I)
- P(e);N_GUARD::S(C)
- Refutation
- P(d);
- Try
- R(B);
- Threat
- DUALS(4)
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD::S(C)
- Refutation
- P(d);
- Try
- Q(I);CHECK,XS(f)
- Vars
- S(b);CHECK,N_GUARD,P_SPINS(b)::QAB1(I),XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);::QAB(I)
- Refutation
- S(b);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- Refutation
- B(a);XQ(I)
- Try
- Actual
- R(B);
- Vars
- S(b);CHECK,N_GUARD::QAB1(I),XS(b)
- B(a);N_GUARD,XP(G)::S(C)
- S(f);N_GUARD::QAR1(I),XS(f)
- P(d);OGATEB::R(B)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,P_PINB(F)::S(C)
- B(h);N_GUARD::QAB1(I),XB(h)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::QAB(I),XB(h)
- S(b);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAR1(I)
- P(e);N_GUARD::S(C)
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).