MESON Chess Problem Database

Problem Display
PID: 136042 (8/1n2p2K/1P1nR3/3k1P2/P1bP4/8/3Q4/2R5 w - - 0 1)

Prideaux, Henry Maxwell

The Field, 1917

(First published on Sat Aug 4 1917)

8/1n2p2K/1P1nR3/3k1P2/P1bP4/8/3Q4/2R5

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Re5#
    • 1...Ba2
      • 2.Re5#
    • 1...Be2
      • 2.Re5#
    • 1...Bb3
      • 2.Re5#
    • 1...Bb5
      • 2.Re5#
    • 1...Ba6
      • 2.Re5#
  • Tries
    • 1.Qg2+?
      • 1...Se4
        • 2.Qxe4#
      • 1...Kxd4!
  • Keys
    • 1.Qb4!
      • 1...Kxd4
        • 2.Rd1#
      • 1...Kc6
        • 2.Qb5#
      • 1...Sxf5
        • 2.Qxc4#
      • 1...Sa5
        • 2.Qc5#
      • 1...Bf1
        • 2.Re5#
      • 1...Ba2
        • 2.Re5#
      • 1...Be2
        • 2.Re5#
      • 1...Bb3
        • 2.Re5#
      • 1...Bd3
        • 2.Re5#
      • 1...Bb5
        • 2.Re5#
      • 1...Ba6
        • 2.Re5#
      • 1...Se4
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qxc4#
      • 1...Sf7
        • 2.Qxc4#
      • 1...Sc8
        • 2.Qxc4#
      • 1...Se8
        • 2.Qxc4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sd8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • B(a);::R1(G)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAB1(B),XS(c)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
  • Actual
    • Q(B);
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINB(a),XP(D)::R(A)
      • K(b);P_SPINB(a),P_SPINS(c),S_FLIGHT::QAB1(B)
      • S(c);N_GUARD,XP(E)::QAB1(B),XB(a)
      • S(d);N_GUARD::QAR1(B)
      • B(a);::R1(G)
      • B(a);P_PINP(E)::R1(G)
      • S(c);N_GUARD::QAB1(B),XB(a)
      • S(d);N_GUARD::QAR1(B),XS(d)
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