MESON Chess Problem Database

Problem Display
PID: 10637 (8/8/pNK5/k7/1N6/8/1R6/4n3 w - - 0 1)

Zakhodyakin, Gleb Nikolaevich

Problem (Zagreb), 1966

8/8/pNK5/k7/1N6/8/1R6/4n3

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Tries
    • 1.Kc5?
      • threat
        • 2.Sc6#
        • 2.Ra2#
      • 1...Sc2
        • 2.Sc6#
      • 1...Sd3+!
    • 1.Kd5?
      • threat
        • 2.Sc6#
      • 1...Kb5
        • 2.Sc6#
      • 1...Kxb6!
    • 1.Sxa6?
      • threat
        • 2.Ra2#
      • 1...Kxa6
        • 2.Ra2#
      • 1...Sc2!
  • Keys
    • 1.Kd6!
      • threat
        • 2.Sc6#
      • 1...Kb5
        • 2.Sc6#
      • 1...Kxb6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(B)
      • Refutation
        • S(a);CHECK
    • Try
      • K(D);S_FLIGHT
      • Threat
        • S(B)
      • Vars
        • K(b);P-FLIGHT::R(A)+S(B)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
    • Try
      • S(B);XP(c)
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT,XS(B)::R(A)
      • Refutation
        • S(a);
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • S(B)
    • Vars
      • K(b);P-FLIGHT::R(A)+S(B)
      • K(b);S_FLIGHT,XS(C)::R(A)+S(B)
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