MESON Chess Problem Database

Problem Display
PID: 121225 (8/8/2b5/1p5Q/2k5/8/K1N5/2R5 w - - 0 1)

Bender, Ivan

Danas, 1990

8/8/2b5/1p5Q/2k5/8/K1N5/2R5

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • threat
        • 2.Qd4#
      • 1...b4
        • 2.Se1#
      • 1...Kd3!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qd4#
      • 1...Kc3
        • 2.Qd4#
      • 1...Kc5
        • 2.Qd4#
      • 1...b4
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • P(b);SBLOCK::R(A)+S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);P-FLIGHT::QAB1(D)
      • P(b);SBLOCK::R(A)+S(C),DCHECK
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