MESON Chess Problem Database
Problem Display
PID: 6456 (5b2/2Rnp3/2N5/n2k4/1B2b1B1/2PPp1Q1/4P1N1/7K w - - 0 1)
Mansfield, Comins
Skakbladet, 1929
#2
10 + 7
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Bxg2+
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bf5
- 2.Sf4#
- 1...Bg6
- 2.Sxe3#
- 2.Sf4#
- 1...Bh7
- 2.Sxe3#
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sb3
- 2.c4#
- 1...Sxc6
- 2.Rxd7#
- 1...Sb7
- 2.c4#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Bxg2+
- Tries
- 1.Kg1?
- threat
- 2.Sxe3#
- 2.Sf4#
- 1...Bxg2
- 2.Qxg2#
- 1...Sxc6
- 2.Sxe3#
- 2.Rxd7#
- 1...Bf5
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Sc4
- 2.Sf4#
- 1...Sc5
- 2.Sxe3#
- 2.Qe5#
- 1...e5
- 2.Sxe3#
- 1...Bxd3!
- threat
- 1.Kh2?
- threat
- 2.Sxe3#
- 2.Sf4#
- 1...Bxg2
- 2.Qxg2#
- 1...Sxc6
- 2.Sxe3#
- 2.Rxd7#
- 1...Bf5
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Sc4
- 2.Sf4#
- 1...Sc5
- 2.Sxe3#
- 2.Qe5#
- 1...e5
- 2.Sxe3#
- 1...Bxd3!
- threat
- 1.Bxe7?
- threat
- 2.Sb4#
- 2.Qd6#
- 1...Bxg2+
- 2.Qxg2#
- 1...Bxe7
- 2.Sxe7#
- 1...Sxc6
- 2.Rxd7#
- 2.Qd6#
- 1...Bf5
- 2.Sf4#
- 2.Qd6#
- 1...Sc4
- 2.Sb4#
- 1...Sb7
- 2.Sb4#
- 2.c4#
- 1...Se5
- 2.Sb4#
- 2.Qxe5#
- 1...Bxd3!
- threat
- 1.Qxe3?
- threat
- 2.Qd4#
- 2.Qxe4#
- 1...Bxd3
- 2.Be6#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe6#
- 1...Sxc6
- 2.Qxe4#
- 1...Sc5
- 2.Qd4#
- 2.Qxc5#
- 1...Bf3
- 2.Bxf3#
- 2.Be6#
- 2.Qd4#
- 2.Qxf3#
- 2.Qe6#
- 1...Bf5
- 2.Sf4#
- 1...Bg6
- 2.Sf4#
- 2.Be6#
- 2.Qd4#
- 2.Qe6#
- 1...Bh7
- 2.Sf4#
- 2.Be6#
- 2.Qd4#
- 2.Qe6#
- 1...Bg7
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 2.c4#
- 1...Sf6
- 2.Qd4#
- 2.Qc5#
- 1...e5
- 2.Qxe4#
- 1...Bxg2+!
- threat
- 1.dxe4+?
- 1...Kxe4
- 2.Qf3#
- 1...Kc4!
- 1...Kxe4
- 1.Kg1?
- Keys
- 1.Bf5!
- 1...Bxg2+
- 2.Qxg2#
- 1...Bxd3
- 2.Sxe3#
- 1...Bxf5
- 2.Sf4#
- 1...Sxc6
- 2.Rxd7#
- 1...Bf3
- 2.Qxf3#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sb3
- 2.c4#
- 1...Sc4
- 2.dxe4#
- 1...Sb7
- 2.c4#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...e5
- 2.Qg8#
- 1...e6
- 2.Bxe4#
- 1...Bxg2+
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(b);CHECK,OGATE,XS(C)::QAB(F),XB(b)
- B(b);OGATEB::QAB(F),XB(b)
- B(b);N_PINS(C)::S(C)
- B(g);N_GUARD::S(I),XP(f)
- S(c);N_GUARD::P(D)
- S(c);SBLOCK,XS(I)::R(J),XS(e)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- Tries
- Try
- K(A);N_SPINS(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(b);OGATE,XS(C)::QAB(F),XB(b)
- B(b);::S(C)
- B(g);N_GUARD::S(I),XP(f)
- S(c);::S(C)
- P(f);::S(C),XP(a)
- Refutation
- B(b);XP(E)
- Try
- K(A);N_SPINS(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(b);OGATE,XS(C)::QAB(F),XB(b)
- B(b);::S(C)
- B(g);N_GUARD::S(I),XP(f)
- S(c);::S(C)
- P(f);::S(C),XP(a)
- Refutation
- B(b);XP(E)
- Try
- B(G);XP(f)
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,OGATE,XS(C)::QAB(F),XB(b)
- B(g);XB(G)::S(I),XB(g)
- S(c);::S(I)
- Refutation
- B(b);N_PINS(C),XP(E)
- Try
- Q(F);XP(a)
- Threat
- DUALS(2)
- Vars
- S(c);XS(I)::QAB1(F),XB(b)
- B(b);N_PINS(C)::S(C)
- B(g);::QAB1(F),XB(b)
- P(f);::QAB1(F),XB(b)
- Refutation
- B(b);CHECK,XS(C)
- Try
- P(E);CHECK,N_SPINS(C),XB(b)
- Vars
- K(d);S_FLIGHT,XP(E)::QAB1(F)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- B(H);
- Vars
- B(b);CHECK,OGATE,XS(C)::QAB(F),XB(b)
- B(b);N_PINS(C),XP(E)::S(C),XP(a)
- B(b);N_PINS(C),XB(H)::S(C)
- S(c);SBLOCK,XS(I)::R(J),XS(e)
- B(b);OGATEB::QAB(F),XB(b)
- B(g);N_GUARD::S(I),XP(f)
- S(c);N_GUARD::P(D)
- S(c);SBLOCK::P(E),XB(b)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(f);N_GUARD::QAB(F)
- P(f);SBLOCK::B(H),XB(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).