MESON Chess Problem Database
Problem Display
PID: 10685 (8/1p1PR3/1q1pKp2/2rp1Qbb/3P4/3Bkp2/1R2N1P1/4B3 w - - 0 1)
Mansfield, Comins
Comm., Deutsche Schachzeitung, 1967
#2
10 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Kxd6#
- 1...Qa7
- 2.Kxd6#
- 1...Qxb2
- 2.Kxd6#
- 1...Qb3
- 2.Kxd6#
- 1...Qb4
- 2.Kxd6#
- 1...Qb5
- 2.Kxd6#
- 1...Rc1
- 2.Kxd5#
- 1...Rc2
- 2.Kxd5#
- 1...Rc3
- 2.Kxd5#
- 1...Rc4
- 2.Kxd5#
- 1...Rc6
- 2.Kxd5#
- 1...Rc7
- 2.Kxd5#
- 1...Rc8
- 2.Kxd5#
- 1...Bh6
- 2.Kxf6#
- 1...Bg4
- 2.Kf7#
- 1...Bg6
- 2.Qxf3#
- 1...Bf7+
- 2.Kxf7#
- 1...Be8
- 2.Qxf3#
- 1...fxe2
- 2.Bf2#
- 1...fxg2
- 2.Bd2#
- 2.Bf2#
- 1...f2
- 2.Bd2#
- 2.Bxf2#
- 1...Qa5
- Tries
- 1.Bb1?
- threat
- 2.Qd3#
- 1...Bf7+
- 2.Kxf7#
- 1...fxe2
- 2.Bf2#
- 2.Qf2#
- 1...Rc2
- 2.Kxd5#
- 1...Qb3
- 2.Kxd6#
- 1...Qb5
- 2.Kxd6#
- 1...Rc3
- 2.Kxd5#
- 1...Bg4
- 2.Kf7#
- 1...Bg6
- 2.Qxf3#
- 1...Qa6!
- threat
- 1.Bc4?
- threat
- 2.Qd3#
- 1...Bf7+
- 2.Kxf7#
- 1...Rxc4
- 2.Kxd5#
- 1...fxe2
- 2.Bf2#
- 1...Qb3
- 2.Kxd6#
- 2.Rxb3#
- 1...Bg4
- 2.Kf7#
- 1...Bg6
- 2.Qxf3#
- 1...dxc4!
- threat
- 1.Bb5?
- threat
- 2.Qd3#
- 1...Bf7+
- 2.Kxf7#
- 1...Qxb5
- 2.Kxd6#
- 1...fxe2
- 2.Bf2#
- 1...Rc3
- 2.Kxd5#
- 1...Rc4
- 2.Kxd5#
- 1...Bg4
- 2.Kf7#
- 1...Bg6
- 2.Qxf3#
- 1...Rxb5!
- threat
- 1.Bb1?
- Keys
- 1.Rb3!
- 1...Bf7+
- 2.Kxf7#
- 1...Qxb3
- 2.Kxd6#
- 1...fxe2
- 2.Qf2#
- 1...fxg2
- 2.Qf2#
- 1...Qa6
- 2.Bc4#
- 1...Qa5
- 2.Kxd6#
- 1...Qa7
- 2.Kxd6#
- 2.Bc4#
- 1...Qc7
- 2.Bc4#
- 1...Qd8
- 2.Bc4#
- 1...Qb4
- 2.Kxd6#
- 1...Qb5
- 2.Kxd6#
- 1...Qc6
- 2.Bc4#
- 1...Rc1
- 2.Kxd5#
- 1...Rc2
- 2.Kxd5#
- 1...Rc3
- 2.Kxd5#
- 1...Rc4
- 2.Kxd5#
- 1...Ra5
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Rc6
- 2.Kxd5#
- 1...Rc7
- 2.Kxd5#
- 1...Rc8
- 2.Kxd5#
- 1...Bf4
- 2.Qxf4#
- 1...Bh4
- 2.Qf4#
- 1...Bh6
- 2.Kxf6#
- 1...Bg4
- 2.Kf7#
- 1...Bg6
- 2.Qxf3#
- 1...Be8
- 2.Qxf3#
- 1...f2
- 2.Qxf2#
- 1...Bf7+
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- Q(g);::R(J)+K(H),XP(h)
- Q(g);XR(B)::R(J)+K(H),XP(h)
- R(c);::R(J)+K(H),XP(d)
- B(e);::R(J)+K(H),XP(i)
- B(f);P_PINQ(G)::R(J)+K(H)
- B(f);N_GUARD::QAR1(G),XP(b)
- B(f);CHECK::R(J)+K(H),XB(f)
- P(b);XS(C)::B(A)
- Tries
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK::R(J)+K(H),XB(f)
- R(c);::R(J)+K(H),XP(d)
- Q(g);::R(J)+K(H),XP(h)
- B(f);P_PINQ(G)::R(J)+K(H)
- B(f);N_GUARD::QAR1(G),XP(b)
- Refutation
- Q(g);
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK::R(J)+K(H),XB(f)
- R(c);XB(E)::R(J)+K(H),XP(d)
- P(b);XS(C)::B(A)
- B(f);P_PINQ(G)::R(J)+K(H)
- B(f);N_GUARD::QAR1(G),XP(b)
- Refutation
- P(d);XB(E)
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- B(f);CHECK::R(J)+K(H),XB(f)
- Q(g);XB(E)::R(J)+K(H),XP(h)
- P(b);XS(C)::B(A)
- R(c);::R(J)+K(H),XP(d)
- B(f);P_PINQ(G)::R(J)+K(H)
- B(f);N_GUARD::QAR1(G),XP(b)
- Refutation
- R(c);XB(E)
- Try
- Actual
- R(B);
- Vars
- B(f);CHECK::R(J)+K(H),XB(f)
- Q(g);XR(B)::R(J)+K(H),XP(h)
- P(b);OGATE,XS(C)::QAB1(G)
- P(b);OGATE,XP(D)::QAB1(G)
- Q(g);N_GUARD::R(B)+B(E)
- Q(g);::R(J)+K(H),XP(h)
- R(c);::R(J)+K(H),XP(d)
- R(c);N_GUARD::R(B)+B(E)
- R(c);N_GUARD::R(B)+B(E),XR(c)
- B(e);N_GUARD::QAB1(G),XB(e)
- B(e);N_GUARD::QAB1(G)
- B(e);::R(J)+K(H),XP(i)
- B(f);P_PINQ(G)::R(J)+K(H)
- B(f);N_GUARD::QAR1(G),XP(b)
- P(b);OGATE::QAB1(G),XP(b)
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