MESON Chess Problem Database
Problem Display
PID: 51161 (k4n2/P3p3/pPKb4/8/4Q3/8/8/8 w - - 0 1)
Pritchard, DB
Manchester Guardian, 1952
#2
4 + 5
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Kc5#
- 1...Ba3
- 2.Kc7#
- 1...Bg3
- 2.Kc5#
- 1...Bb4
- 2.Kc7#
- 1...Bf4
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 2.Kc7#
- 1...Be5
- 2.Kc5#
- 1...Bc7
- 2.Kc5#
- 2.Kxc7#
- 1...Bb8
- 2.Kc5#
- 1...Se6
- 2.Kd7#
- 1...Sg6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...Sh7
- 2.Kd7#
- 1...a5
- 2.Kb5#
- 1...e5
- 2.Kxd6#
- 1...e6
- 2.Kxd6#
- 1...Bh2
- Tries
- 1.Kd5?
- threat
- 2.Kc4#
- 2.Kd4#
- 1...Bc5
- 2.Kc4#
- 2.Kxc5#
- 2.Ke5#
- 1...Be5
- 2.Kc4#
- 2.Kc5#
- 2.Kxe5#
- 1...Se6
- 2.Kc4#
- 2.Kxe6#
- 1...e5
- 2.Kc4#
- 2.Kxd6#
- 1...Kb7!
- threat
- 1.Qh1?
- 1...Bh2
- 2.Kc5#
- 1...Ba3
- 2.Kc7#
- 1...Bg3
- 2.Kc5#
- 1...Bb4
- 2.Kc7#
- 1...Bf4
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 2.Kc7#
- 1...Be5
- 2.Kc5#
- 1...Bc7
- 2.Kc5#
- 2.Kxc7#
- 1...Bb8
- 2.Kc5#
- 1...Se6
- 2.Kd7#
- 1...Sg6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...Sh7
- 2.Kd7#
- 1...a5
- 2.Kb5#
- 1...e6
- 2.Kxd6#
- 1...e5!
- 1...Bh2
- 1.Qg2?
- 1...Bh2
- 2.Kc5#
- 1...Ba3
- 2.Kc7#
- 1...Bg3
- 2.Kc5#
- 1...Bb4
- 2.Kc7#
- 1...Bf4
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 2.Kc7#
- 1...Be5
- 2.Kc5#
- 1...Bc7
- 2.Kc5#
- 2.Kxc7#
- 1...Bb8
- 2.Kc5#
- 1...Se6
- 2.Kd7#
- 1...Sg6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...Sh7
- 2.Kd7#
- 1...a5
- 2.Kb5#
- 1...e6
- 2.Kxd6#
- 1...e5!
- 1...Bh2
- 1.Qf3?
- 1...Bh2
- 2.Kc5#
- 1...Ba3
- 2.Kc7#
- 2.Qxf8#
- 1...Bg3
- 2.Kc5#
- 1...Bb4
- 2.Kc7#
- 2.Qxf8#
- 1...Bf4
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 2.Kc7#
- 2.Qxf8#
- 1...Be5
- 2.Kc5#
- 1...Bc7
- 2.Kc5#
- 2.Kxc7#
- 1...Bb8
- 2.Kc5#
- 1...Se6
- 2.Kd7#
- 1...Sg6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...Sh7
- 2.Kd7#
- 1...a5
- 2.Kb5#
- 1...e6
- 2.Kxd6#
- 1...e5!
- 1...Bh2
- 1.Qd5?
- 1...Bh2
- 2.Kc5#
- 1...Ba3
- 2.Kc7#
- 2.Qd8#
- 1...Bg3
- 2.Kc5#
- 1...Bb4
- 2.Kc7#
- 2.Qd8#
- 1...Bf4
- 2.Kc5#
- 1...Bc5
- 2.Kxc5#
- 2.Kc7#
- 2.Qd8#
- 1...Be5
- 2.Kc5#
- 1...Bc7
- 2.Kc5#
- 2.Kxc7#
- 1...Bb8
- 2.Kc5#
- 1...Se6
- 2.Kd7#
- 1...Sg6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...Sh7
- 2.Kd7#
- 1...a5
- 2.Kb5#
- 1...e5
- 2.Kxd6#
- 1...e6!
- 1...Bh2
- 1.Kd5?
- Keys
- 1.Qd4!
- threat
- 2.b7#
- 1...Bc5
- 2.Qd8#
- threat
- 1.Qd4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- B(b);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C),XS(e)
- P(a);::QAB(A)+K(C)
- P(c);::QAB(A)+K(C),XB(b)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- DUALS(2)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);
- Vars
- B(b);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C),XS(e)
- P(a);::QAB(A)+K(C)
- P(c);::QAB(A)+K(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C),XS(e)
- S(e);SBLOCK::QAB(A)+K(C)
- P(a);::QAB(A)+K(C)
- P(c);::QAB(A)+K(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C),XS(e)
- S(e);SBLOCK::QAB(A)+K(C)
- P(a);::QAB(A)+K(C)
- P(c);::QAB(A)+K(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C)
- S(e);::QAB(A)+K(C),XS(e)
- S(e);SBLOCK::QAB(A)+K(C)
- P(a);::QAB(A)+K(C)
- P(c);::QAB(A)+K(C),XB(b)
- Refutation
- P(c);
- Try
- Actual
- Q(A);
- Threat
- P(B)
- Vars
- B(b);OGATE::QAR(A)
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