MESON Chess Problem Database

Problem Display
PID: 24320 (8/2p2K2/5p2/3kBB2/1Q6/8/8/8 w - - 0 1)

Lincoln, Robert A

Magadanskaya Pravda, 1997

8/2p2K2/5p2/3kBB2/1Q6/8/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...fxe5
      • 2.Be4#
    • 1...c5
      • 2.Qe4#
    • 1...c6
      • 2.Qd4#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...Kc6!
  • Keys
    • 1.Ke7!
      • 1...Kxe5
        • 2.Qe4#
      • 1...Kc6
        • 2.Be4#
      • 1...fxe5
        • 2.Be4#
      • 1...c5
        • 2.Qe4#
      • 1...c6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK,XB(B)::B(C)
    • P(c);SBLOCK::QAB1(A)
    • P(c);SBLOCK::QAR1(A)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT,XB(B)::QAR1(A)
      • K(a);S_FLIGHT::B(C)
      • P(b);SBLOCK,XB(B)::B(C)
      • P(c);SBLOCK::QAB1(A)
      • P(c);SBLOCK::QAR1(A)
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