MESON Chess Problem Database
Problem Display
PID: 55674 (3R4/1p1N4/4PP2/Np1k3p/p5q1/B1PP1R1B/6Q1/3K4 w - - 0 1)
Mansfield, Comins
Christian Science Monitor, 1976
#2
12 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Qa2#
- 1...Qxf3+
- 2.Qxf3#
- 1...Qxh3
- 2.Qa2#
- 1...Qf5
- 2.Qa2#
- 1...Qxe6
- 2.Rf5#
- 2.Qa2#
- 1...Qg3
- 2.Rxg3#
- 2.Qa2#
- 1...Qc4
- 2.Qg5#
- 1...Qf4
- 2.Rxf4#
- 1...Qh4
- 2.Rf4#
- 1...Qg5
- 2.Rg3#
- 2.Qa2#
- 2.Qxg5#
- 1...Qg6
- 2.Qa2#
- 1...Qg7
- 2.Rg3#
- 2.Qa2#
- 1...Qg8
- 2.Rg3#
- 2.Qa2#
- 1...Kxe6
- Tries
- 1.Bxg4?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rf4#
- 2.Qa2#
- 1...hxg4
- 2.Re3#
- 2.Qa2#
- 1...b4!
- threat
- 1.Qe2?
- threat
- 2.Sc5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Qe5#
- 1...Qxf3
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Qxf3#
- 1...Qxe6
- 2.Sb6#
- 2.Bxe6#
- 2.Qa2#
- 2.Qxe6#
- 1...Qb4
- 2.Qe5#
- 1...b4
- 2.Qe5#
- 1...Qd4
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Qf5
- 2.Sc5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rxf5#
- 2.Qa2#
- 1...Qg3
- 2.Se5#
- 2.Sb6#
- 2.Qa2#
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 2.dxe4#
- 1...Qf4
- 2.Se5#
- 2.Sb6#
- 1...Qg5
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Qa2#
- 2.Qe4#
- 1...Qg7
- 2.Sb6#
- 2.Rf5#
- 2.Qa2#
- 2.Qe4#
- 2.Qe5#
- 1...Qg8
- 2.Sb6#
- 2.Sf8#
- 2.Rf5#
- 2.Qa2#
- 2.Qe4#
- 2.Qe5#
- 1...b6
- 2.Sc5#
- 2.Sxb6#
- 2.Sb8#
- 2.Sf8#
- 2.Qe5#
- 1...Qg1+!
- threat
- 1.Qxg4?
- threat
- 2.Qf5#
- 2.Qxh5#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 1...b4
- 2.Qd4#
- 1...h4
- 2.Qf5#
- 2.Qh5#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 1...hxg4!
- threat
- 1.Bxg4?
- Keys
- 1.d4!
- threat
- 2.Sc5#
- 1...Qxf3+
- 2.Qxf3#
- 1...Qxd4+
- 2.Rd3#
- 1...Ke4
- 2.Sc5#
- 1...Kxe6
- 2.Qa2#
- 1...Qxe6
- 2.Rf5#
- 1...Qg3
- 2.Rxg3#
- 1...Qf4
- 2.Rxf4#
- 1...Qg7
- 2.Rg3#
- 1...Qg8
- 2.Rg3#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- K(d);P_SPINQ(b),S_FLIGHT,XP(I)::QAB(B)
- Q(b);CHECK,OGATE,P_SPINQ(b),XR(F)::QAB(B),XQ(b)
- Q(b);N_GUARD,N_PINR(F),XB(G)::QAB(B)
- Q(b);N_GUARD,N_PINR(F)::QAB(B)
- Q(b);N_PINR(F),OGATE::QAR(B)
- Q(b);N_PINR(F)::QAB(B)+R(F),XQ(b)
- Q(b);N_PINR(F)::QAB(B)+R(F)
- Tries
- Try
- B(G);N_SPINR(F),XQ(b)
- Threat
- DUALS(7)
- Refutation
- P(c);
- Try
- Q(B);N_SPINR(F)
- Threat
- DUALS(5)
- Vars
- Q(b);::QAR1(B)
- P(c);::QAR1(B)
- Refutation
- Q(b);CHECK
- Try
- Q(B);N_SPINR(F),XQ(b)
- Threat
- DUALS(5)
- Vars
- P(c);::QAR1(B)
- Refutation
- P(e);XQ(B)
- Try
- Actual
- P(E);
- Threat
- R(L)+S(K)
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XR(F)::QAB(B),XQ(b)
- Q(b);CHECK,N_PINR(F),XP(E)::QAB(B)+R(F)
- K(d);S_FLIGHT::S(K)
- K(d);P_SPINQ(b),S_FLIGHT,XP(I)::QAB(B)
- Q(b);N_PINR(F),SBLOCK,XP(I)::QAB(B)+R(F),DCHECK
- Q(b);N_PINR(F)::QAB(B)+R(F),XQ(b)
- Q(b);N_PINR(F)::QAB(B)+R(F)
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).