MESON Chess Problem Database

Problem Display
PID: 138408 (8/8/1p6/1k6/1N6/1Q6/1K6/8 w - - 0 1)

Zakhodyakin, Gleb Nikolaevich

64 Shakhmatnoe obozrenie, 1980

8/8/1p6/1k6/1N6/1Q6/1K6/8

#2

3 + 2

23 Die Schwalbe 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • 1...Kc5
        • 2.Qd5#
      • 1...Ka5!
    • 1.Qc4+?
      • 1...Ka4
        • 2.Sc6#
      • 1...Ka5
        • 2.Sc6#
      • 1...Kxc4!
  • Keys
    • 1.Ka3!
      • threat
        • 2.Qd5#
      • 1...Ka5
        • 2.Qa4#
      • 1...Kc5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(B)+S(C)
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
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