MESON Chess Problem Database
Problem Display
PID: 1125 (B7/8/3R4/3qN1p1/3r1kP1/2R1NP2/7K/Q1B5 w - - 0 1)
Taylor, I(J)ohn Odin Howard
The Westminster Papers, 1874
#2
10 + 4
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Sg6#
- 1...Qxf3
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qa5
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qc5
- 2.Sg6#
- 1...Qxe5
- 2.Sg2#
- 2.Sd5#
- 1...Qb3
- Tries
- 1.Re6?
- threat
- 2.Sg2#
- 2.Sxd5#
- 1...Qa2+
- 2.Sg2#
- 1...Rd2+
- 2.Sg2#
- 1...Qxf3
- 2.Sg2#
- 2.Sg6#
- 1...Qxa8
- 2.Sg2#
- 2.Sd5#
- 1...Qxe5
- 2.Sg2#
- 2.Sd5#
- 1...Qb3
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qc4
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qe4
- 2.Sg2#
- 2.Sd5#
- 1...Qc6
- 2.Sg2#
- 2.Sd5#
- 1...Qb7
- 2.Sg2#
- 2.Sd5#
- 1...Qa5
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qb5
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qc5
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qd6
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qd7
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qd8
- 2.Sg2#
- 2.Sd5#
- 2.Sg6#
- 1...Qxe6!
- threat
- 1.Re6?
- Keys
- 1.Rc5!
- 1...Qa2+
- 2.Sg2#
- 1...Rd2+
- 2.Sg2#
- 1...Kxe5
- 2.Sc4#
- 1...Qxf3
- 2.Sg2#
- 2.Sg6#
- 2.Rf6#
- 1...Qxa8
- 2.Sg2#
- 2.Rf6#
- 1...Qxc5
- 2.Sg6#
- 1...Qxe5
- 2.Sg2#
- 1...Qxd6
- 2.Sg2#
- 1...Qb3
- 2.Sg2#
- 2.Sg6#
- 2.Rxd4#
- 2.Rf6#
- 2.Qxd4#
- 1...Qc4
- 2.Sg2#
- 2.Sg6#
- 2.Rf6#
- 1...Qe4
- 2.Sg2#
- 1...Qc6
- 2.Sg2#
- 1...Qe6
- 2.Sg2#
- 2.Rxd4#
- 2.Qxd4#
- 1...Qb7
- 2.Sg2#
- 2.Rf6#
- 1...Qf7
- 2.Sg2#
- 2.Rxd4#
- 2.Qxd4#
- 1...Qg8
- 2.Sg2#
- 2.Rxd4#
- 2.Rf6#
- 2.Qxd4#
- 1...Rd1
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Rd3
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Ra4
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Rb4
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Rc4
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Re4
- 2.Sg2#
- 2.Sxd5#
- 2.Rf6#
- 1...Qa2+
- 1.Rc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- Q(c);::S(H)
- Q(c);XP(F)::S(H)
- Tries
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::B(B)+S(E),DCHECK
- R(a);CHECK::S(E)
- Refutation
- Q(c);XR(I)
- Try
- Actual
- R(D);
- Vars
- Q(c);CHECK::B(B)+S(E),DCHECK
- R(a);CHECK::S(E)
- K(b);P_SPINQ(c),P_SPINR(a),S_FLIGHT,XS(H)::S(E)
- Q(c);XR(D)::S(H)
- Q(c);XS(H)::B(B)+S(E),DCHECK
- Q(c);XR(I)::B(B)+S(E),DCHECK
- Q(c);::B(B)+S(E),DCHECK
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