MESON Chess Problem Database

Problem Display
PID: 153279 (bQ3K2/2N5/2kp4/8/8/3B4/8/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2012

bQ3K2/2N5/2kp4/8/8/3B4/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Se8?
      • threat
        • 2.Qb5#
      • 1...Kc5
        • 2.Qxd6#
      • 1...Kd5
        • 2.Qxd6#
      • 1...Bb7
        • 2.Qxd6#
      • 1...Kd7!
  • Keys
    • 1.Sb5!
      • 1...Kc5
        • 2.Qxd6#
      • 1...Kd5
        • 2.Qxd6#
      • 1...Kd7
        • 2.Qe8#
      • 1...Bb7
        • 2.Qxd6#
      • 1...d5
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAB1(C),XP(b)
        • K(a);S_FLIGHT::QAR1(C),XP(b)
        • B(c);SBLOCK::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(C),XP(b)
      • K(a);S_FLIGHT::QAR1(C),XP(b)
      • K(a);S_FLIGHT::QAB1(C)
      • B(c);SBLOCK::QAR1(C),XP(b)
      • P(b);SBLOCK::QAR1(C)
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