MESON Chess Problem Database
Problem Display
PID: 18761 (B7/KR6/1B2p3/4p3/N1P1k1P1/1P3npN/1bP3n1/2Qr4 w - - 0 1)
Mansfield, Comins
3rd Prize, Chess, 1958
#2
11 + 8
| 81 | Chess | 1959 |
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Re1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rf1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rg1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rh1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Rd4
- 2.Sc5#
- 1...Rd7
- 2.Rxd7#
- 1...Bxc1
- 2.Sc3#
- 1...Ba3
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Bd4
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sge1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sgh4
- 2.Qe3#
- 1...Sfe1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sg5#
- 1...Sfh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Rxc1
- Tries
- 1.Qd2?
- threat
- 2.Sc5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sxd2
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sfe1
- 2.Sg5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sg1
- 2.Sg5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sh2
- 2.Sg5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sd4
- 2.Sg5#
- 1...Sfh4
- 2.Sg5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sg5
- 2.Sxg5#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Ra1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 2.Qd3#
- 1...Ba3
- 2.Sc3#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Bd4
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Se3
- 2.Sc5#
- 2.Qxe3#
- 1...Sf4
- 2.Sc5#
- 2.Qe3#
- 1...Rxd2!
- threat
- 1.Qxd1?
- threat
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 2.Qd3#
- 1...Bd4
- 2.Qd3#
- 1...Sd4
- 2.Qd3#
- 1...Sge1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 2.Qe2#
- 1...Se3
- 2.Sc5#
- 2.Qd3#
- 1...Sfe1
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sd2
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rb8#
- 1...Sf4!
- threat
- 1.Qd2?
- Keys
- 1.Bd4!
- threat
- 2.Rd7#
- 1...Bxd4+
- 2.Rb6#
- 1...Kxd4
- 2.Rd7#
- 1...Rxd4
- 2.Sc5#
- 1...Sxd4
- 2.Sg5#
- 1...exd4
- 2.Rb5#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(a);SBLOCK::S(E)
- R(a);N_GUARD,P_PINR(J)::B(K)+R(J),XR(a)
- B(b);N_GUARD,XQ(A)::S(E)
- B(b);N_GUARD::S(E)
- B(b);N_GUARD::S(E),XB(b)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- Tries
- Try
- Q(A);
- Threat
- DUALS(8)
- Vars
- S(d);N_GUARD::S(D)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);XR(a)
- Threat
- DUALS(8)
- Vars
- B(b);P_PINB(H)::QAB1(A)
- S(d);::QAB1(A)
- Refutation
- S(c);
- Try
- Actual
- B(H);
- Threat
- B(K)+R(J)
- Vars
- B(b);CHECK,SBLOCK,XB(H)::B(K)+R(J)
- K(f);P-FLIGHT,XB(H)::R(J)
- R(a);SBLOCK,XB(H)::S(E)
- S(d);N_GUARD,SBLOCK,XB(H)::S(D)
- P(g);SBLOCK,XB(H)::B(K)+R(J)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(c);N_GUARD::QAR1(A)
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