MESON Chess Problem Database

Problem Display
PID: 106957 (8/8/1pRNPQK1/2pk4/B7/8/5P2/8 w - - 0 1)

Bennecke, Herman

Checkmate, 1903

8/8/1pRNPQK1/2pk4/B7/8/5P2/8

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh4?
      • threat
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxe6!
  • Keys
    • 1.Sb5!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kxc6
        • 2.Qf3#
      • 1...c4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(b);P-FLIGHT::QAR1(F)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
  • Actual
    • S(D);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAR1(F)
      • K(b);S_FLIGHT::QAB1(F)
      • K(b);S_FLIGHT,XR(C)::QAB(F)
      • P(a);::S(D)
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