MESON Chess Problem Database

Problem Display
PID: 32288 (8/4p3/1pP5/1K1kP1p1/R2b2P1/3N4/P2QNP2/8 w - - 0 1)

Abbott, Joseph William

The Westminster Papers, 1875

8/4p3/1pP5/1K1kP1p1/R2b2P1/3N4/P2QNP2/8

#2

10 + 5

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Sdf4#
    • 1...e6
      • 2.Rxd4#
  • Tries
    • 1.Sef4+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qe2#
      • 1...gxf4!
    • 1.Sdf4+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...gxf4!
    • 1.Sc5?
      • threat
        • 2.Qxd4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...bxc5!
  • Keys
    • 1.Qd1!
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Qb3#
      • 1...Bxf2
        • 2.Qb3#
      • 1...Bxe5
        • 2.Sdf4#
      • 1...Ba1
        • 2.Qb3#
      • 1...Bb2
        • 2.Qb3#
      • 1...Bc3
        • 2.Qb3#
      • 1...Be3
        • 2.Qb3#
      • 1...Bc5
        • 2.Qb3#
      • 1...e6
        • 2.Rxd4#
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK,XP(I)::QAR(B)+S(E),DCHECK
    • P(e);SBLOCK::R1(F),XB(a)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(c);XS(C)
    • Try
      • S(E);CHECK,P_PINB(a)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);N_SPINB(a),P-FLIGHT,XP(I)::QAB1(B),XB(a)
      • Refutation
        • P(c);XS(E)
    • Try
      • S(E);P_PINB(a)
      • Threat
        • QAR1(B),XB(a)
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT,XP(I)::QAB1(B),XB(a)
      • Refutation
        • P(d);XS(E)
  • Actual
    • Q(B);
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::S(C)
      • K(b);S_FLIGHT::QAB(B)
      • B(a);XP(D)::QAB(B)
      • B(a);SBLOCK,XP(I)::QAR(B)+S(E),DCHECK
      • B(a);::QAB(B)
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