MESON Chess Problem Database

Problem Display
PID: 70524 (K7/2Q5/3p1P1N/2pk4/3p4/1NP2P2/B2P4/8 w - - 0 1)

Cowley, Joseph

Source?, 0000

K7/2Q5/3p1P1N/2pk4/3p4/1NP2P2/B2P4/8

#2

9 + 4

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd4+?
      • 1...c4
        • 2.Qa5#
      • 1...Ke5!
    • 1.Qxc5+?
      • 1...Ke6
        • 2.Qf5#
      • 1...dxc5!
    • 1.Qe7?
      • 1...Kc6
        • 2.Qb7#
      • 1...dxc3
        • 2.Qe4#
      • 1...c4
        • 2.Qe4#
      • 1...d3
        • 2.Qe4#
      • 1...Kc4!
    • 1.Qf7+?
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke5!
  • Keys
    • 1.Qh7!
      • 1...Kc4
        • 2.Sxd4#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qf5#
      • 1...dxc3
        • 2.Qe4#
      • 1...c4
        • 2.Qe4#
      • 1...d3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK,XP(a)
      • Vars
        • P(b);P_SPINP(b)::QAR(H)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(d)
    • Try
      • Q(H);CHECK,XP(b)
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(H)
      • Refutation
        • P(d);XQ(H)
    • Try
      • Q(H);
      • Vars
        • K(c);S_FLIGHT::QAB1(H)
        • P(a);XP(D)::QAB1(H)
        • P(b);SBLOCK::QAB1(H)
        • P(a);::QAB1(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(H)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(c);S_FLIGHT::B(A)+S(C),XP(a)
      • K(c);P-FLIGHT::QAR1(H)
      • K(c);S_FLIGHT::QAB1(H)
      • P(a);XP(D)::QAB1(H)
      • P(b);SBLOCK::QAB1(H)
      • P(a);::QAB1(H)
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