MESON Chess Problem Database
Problem Display
PID: 151580 (5B2/8/2pp2p1/2P1ppK1/1N1k4/2R1R3/2BbpP2/Q2bn1N1 w - - 0 1)
Colville, Robert A
Hampstead and Highgate Express, 1897
(First published on Sat Mar 13 1897)
#2
10 + 10
| 14867 | BCPS Library | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Bxe3+
- 2.fxe3#
- 1...Sxc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3+
- 2.Sxf3#
- 1...e4
- 2.Bg7#
- 1...f4
- 2.Re4#
- 1...dxc5
- 2.Bxc5#
- 1...d5
- 2.Sxc6#
- 1...Bxc2
- Tries
- 1.Kxg6?
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Bxe3
- 2.fxe3#
- 1...Sxc2
- 2.Sf3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bg7#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 1...Bc1!
- 1...Bxc2
- 1.Bb3?
- threat
- 2.Sxc6#
- 2.Rc4#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxb3
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Bxe3+!
- threat
- 1.Bxf5?
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc3
- 2.Qxc3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bg7#
- 1...Bc1
- 2.Rxc1#
- 1...Bc2
- 2.Sxe2#
- 1...Bb3
- 2.Sxe2#
- 1...Ba4
- 2.Sxe2#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...d5
- 2.Sxc6#
- 1...gxf5!
- 1...Bxe3+
- 1.Bxd6?
- threat
- 2.Bxe5#
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc3
- 2.Qxc3#
- 1...Sd3
- 2.Sf3#
- 1...e4!
- threat
- 1.Be7?
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Sxc2
- 2.Sf3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bf6#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 1...Bc1!
- 1...Bxe3+
- 1.Bg7?
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Sxc2
- 2.Sf3#
- 1...dxc5
- 2.Bxe5#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 2.Bxe5#
- 1...Bc1!
- 1...Bxe3+
- 1.Qb2?
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Sxc2
- 2.Sf3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bg7#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 1...Bc1!
- 1...Bxe3+
- 1.Qa3?
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc2
- 2.Sxe2#
- 1...Bxc3
- 2.Qxc3#
- 1...Sxc2
- 2.Sf3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bg7#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 1...Bc1!
- 1...Bxe3+
- 1.Kxg6?
- Keys
- 1.Bb1!
- 1...Bxe3+
- 2.fxe3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxc3
- 2.Qxc3#
- 1...dxc5
- 2.Bxc5#
- 1...e4
- 2.Bg7#
- 1...Bc1
- 2.Rxc1#
- 1...Bc2
- 2.Sxe2#
- 1...Bb3
- 2.Sxe2#
- 1...Ba4
- 2.Sxe2#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...f4
- 2.Re4#
- 1...d5
- 2.Sxc6#
- 1...Bxe3+
- 1.Bb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- S(b);N_GUARD::S(B)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- P(f);OGATEB::B(J)
- P(g);N_PINR(F)::R1(F)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(i);SBLOCK::S(G),XP(h)
- Tries
- Try
- K(I);N_SPINR(F),P-FLIGHT,XP(j)
- Vars
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- B(c);OGATE,XR(F)::P(D),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- P(g);N_GUARD::R1(F)
- P(i);SBLOCK::S(G),XP(h)
- Refutation
- B(c);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- Refutation
- B(c);CHECK,XR(F)
- Try
- B(C);XP(g)
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- B(c);N_GUARD::QAB(A)+R(E),XB(c)
- B(a);N_GUARD::S(B),XP(d)
- S(b);N_GUARD::S(B)
- P(i);SBLOCK::S(G),XP(h)
- Refutation
- P(j);XB(C)
- Try
- B(J);XP(i)
- Threat
- B(J),XP(f)
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- S(b);N_GUARD::S(B)
- Refutation
- P(f);
- Try
- B(J);
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- S(b);N_GUARD::S(B)
- P(g);N_PINR(F)::R1(F)
- P(i);SBLOCK::S(G),XP(h)
- Refutation
- B(c);
- Try
- B(J);P_PINP(f)
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- P(i);N_GUARD,XP(H)::B(J),XP(f)
- S(b);N_GUARD::S(B)
- P(g);N_PINR(F)::R1(F)
- Refutation
- B(c);
- Try
- Q(A);
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- S(b);N_GUARD::S(B)
- P(g);N_PINR(F)::R1(F)
- P(i);SBLOCK::S(G),XP(h)
- Refutation
- B(c);
- Try
- Q(A);
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(a);N_GUARD,XB(C)::S(B),XP(d)
- B(c);N_PINR(F),OGATE,XR(E)::QAB1(A),XB(c)
- S(b);N_GUARD,XB(C)::S(B)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- S(b);N_GUARD::S(B)
- P(g);N_PINR(F)::R1(F)
- P(i);SBLOCK::S(G),XP(h)
- Refutation
- B(c);
- Try
- Actual
- B(C);
- Vars
- B(c);CHECK,OGATE,XR(F)::P(D),XB(c)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- B(c);N_PINR(F),OGATE,P_SPINB(c),XR(E)::QAB1(A),XB(c)
- P(i);OGATE,XP(H)::B(J),XP(i)
- P(f);OGATEB::B(J)
- B(c);N_GUARD::QAB(A)+R(E),XB(c)
- B(a);N_GUARD::S(B),XP(d)
- S(b);N_GUARD::S(B)
- P(g);N_PINR(F)::R1(F)
- P(i);SBLOCK::S(G),XP(h)
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).