MESON Chess Problem Database

Problem Display
PID: 258033 (4q3/8/8/8/8/5PQP/PPPPP1P1/K2R1B1k w - - 0 1)

Witte, Bernardus Stephanus

Probleemblad, 1948

4q3/8/8/8/8/5PQP/PPPPP1P1/K2R1B1k

#2

12 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe2
      • 2.Bxe2#
  • Tries
    • 1.e3?
      • threat
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
      • 1...Kg1
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
      • 1...Qb5
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bxb5#
      • 1...Qxe3!
  • Keys
    • 1.e4!
      • threat
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
      • 1...Kg1
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
      • 1...Qxe4
        • 2.Be2#
      • 1...Qb5
        • 2.Be2#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(b);OGATE,XP(H)::R(B)+B(C),XQ(b)
  • Tries
    • Try
      • P(H);
      • Threat
        • DUALS(5)
      • Refutation
        • Q(b);XP(H)
  • Actual
    • P(H);
    • Threat
      • DUALS(5)
    • Vars
      • Q(b);XP(H)::R(B)+B(C)
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