MESON Chess Problem Database

Problem Display
PID: 39664 (b7/5p2/5R1K/4k2N/8/3Q4/8/8 w - - 0 1)

Benko, Pal Charles

Chess Life, 1980

b7/5p2/5R1K/4k2N/8/3Q4/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qd6#
  • Tries
    • 1.Sg7?
      • threat
        • 2.Rf5#
      • 1...Kxf6
        • 2.Qd6#
      • 1...Be4
        • 2.Qd6#
      • 1...Bd5!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qd6#
      • 1...Kxf6
        • 2.Qd6#
      • 1...Bd5
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::QAB1(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(C)
      • Vars
        • K(a);S_FLIGHT,XR(C)::QAR2(A)
        • B(c);SBLOCK::QAB1(A)
      • Refutation
        • B(c);
  • Actual
    • S(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(A)
      • B(c);SBLOCK::QAB(A)
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