MESON Chess Problem Database
Problem Display
PID: 43080 (2br4/1B2q3/8/3R4/Q3P1p1/1p1p1k1N/4N3/b3R1BK w - - 0 1)
Mansfield, Comins
3rd Prize, Skakbladet, 1970
#2
9 + 8
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Sg5#
- 1...Qb4
- 2.Sg5#
- 1...Qc5
- 2.Sg5#
- 1...Qg5
- 2.Sxg5#
- 1...Qd6
- 2.Sg5#
- 1...Qf8
- 2.Sg5#
- 1...Qxe4
- 2.Sg5#
- 1...Qe6
- 2.Sg5#
- 1...Qxb7
- 2.Sg5#
- 1...Qc7
- 2.Sg5#
- 1...Qd7
- 2.Sg5#
- 1...Qf7
- 2.Sg5#
- 1...Qe8
- 2.Sg5#
- 1...Rd7
- 2.Rf5#
- 1...Re8
- 2.Rxd3#
- 1...Rf8
- 2.Rxd3#
- 1...Rg8
- 2.Rxd3#
- 1...Rh8
- 2.Rxd3#
- 1...Bf5
- 2.Rxf5#
- 1...Bxb7
- 2.Rf5#
- 1...Bd7
- 2.Rxd3#
- 1...Qa3
- Tries
- 1.e5?
- threat
- 2.Rxd3#
- 2.Qf4#
- 1...Qxe5
- 2.Rxd3#
- 1...Qxb7
- 2.Sg5#
- 2.Qf4#
- 1...Rxd5
- 2.Bxd5#
- 2.Qf4#
- 1...Bxe5
- 2.Rxd3#
- 1...Bxb7
- 2.Qf4#
- 1...dxe2
- 2.Rd3#
- 2.Qf4#
- 1...Qb4
- 2.Sg5#
- 2.Rxd3#
- 1...Qg5
- 2.Sxg5#
- 2.Rxd3#
- 1...Qf6
- 2.Rxd3#
- 1...Qf8
- 2.Sg5#
- 2.Rxd3#
- 1...Qf7
- 2.Sg5#
- 2.Rxd3#
- 1...Rf8
- 2.Rxd3#
- 1...d2
- 2.Rd3#
- 2.Qf4#
- 1...Bd4!
- threat
- 1.e5?
- Keys
- 1.Qd7!
- threat
- 2.Rxd3#
- 2.Rf5#
- 1...Kxe4
- 2.Sd4#
- 1...Qxd7
- 2.Sg5#
- 1...Rxd7
- 2.Rf5#
- 1...Bxb7
- 2.Qf5#
- 1...Bxd7
- 2.Rxd3#
- 1...dxe2
- 2.Rd3#
- 1...gxh3
- 2.Rxd3#
- 1...Qc5
- 2.Sg5#
- 1...Qg5
- 2.Sxg5#
- 1...Qd6
- 2.Sg5#
- 1...Qf6
- 2.Rxd3#
- 1...Qf8
- 2.Sg5#
- 2.Rxd3#
- 1...Qe5
- 2.Rxd3#
- 1...Qe6
- 2.Sg5#
- 2.Rxd3#
- 1...Qf7
- 2.Sg5#
- 2.Rxd3#
- 1...Qh7
- 2.Rxd3#
- 1...Rf8
- 2.Rxd3#
- 1...Bd4
- 2.Rf5#
- 1...Be5
- 2.Rxd3#
- 1...d2
- 2.Rd3#
- 2.Rf5#
- 1...g3
- 2.Rxd3#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 13
- Sets
- Q(f);N_GUARD::S(E)
- Q(f);N_GUARD::S(E),XQ(f)
- Q(f);N_GUARD,XP(G)::S(E)
- Q(f);N_GUARD,XB(I)::S(E)
- R(h);S_CUTB(g)::R(H)
- R(h);N_GUARD::R(H),XP(c)
- R(h);N_GUARD,P_PINS(E)::R(H),XP(c)
- B(g);N_GUARD::R(H),XB(g)
- B(g);N_GUARD,XB(I)::R(H)
- B(g);S_CUTR(h)::R(H),XP(c)
- Tries
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(G)::B(I)+R(H),DCHECK,XP(c)
- B(a);XP(G)::B(I)+R(H),DCHECK,XP(c)
- B(g);XB(I)::QAR1(F)
- Q(f);::B(I)+R(H),DCHECK,XP(c)
- R(h);::B(I)+R(H),DCHECK,XP(c)
- Refutation
- B(a);
- Try
- Actual
- Q(F);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XP(G)::R(A)+S(D)
- Q(f);N_GUARD,XQ(F)::S(E)
- R(h);XQ(F)::R(H)
- B(g);N_GUARD,XB(I)::QAR2(F)
- B(g);XQ(F)::R(H),XP(c)
- P(c);XS(D)::R(H)
- P(e);XS(E)::R(H),XP(c)
- Q(f);N_GUARD::S(E)
- Q(f);N_GUARD::S(E),XQ(f)
- Q(f);::R(H),XP(c)
- Q(f);P_PINS(E)::R(H),XP(c)
- R(h);::R(H),XP(c)
- B(a);::R(H)
- B(a);::R(H),XP(c)
- P(e);::R(H),XP(c)
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