MESON Chess Problem Database

Problem Display
PID: 192730 (4B3/1p1N4/1K2n1P1/7P/2RpkpR1/4P3/4Q3/8 w - - 0 1)

Krizovensky, Marian

4/6 HM., BCPS U-21 Ty., 1980

4B3/1p1N4/1K2n1P1/7P/2RpkpR1/4P3/4Q3/8

#2

9 + 5

56 The Problemist 1981

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.e4#
  • Tries
    • 1.Rxd4+?
      • 1...Kf5
        • 2.e4#
      • 1...Sxd4!
  • Keys
    • 1.Bf7!
      • 1...Kd5
        • 2.Rxd4#
      • 1...Kf5
        • 2.e4#
      • 1...Sc5
        • 2.Rxf4#
      • 1...Sg5
        • 2.Rxf4#
      • 1...Sc7
        • 2.Rxf4#
      • 1...Sg7
        • 2.Rxf4#
      • 1...Sd8
        • 2.Rxf4#
      • 1...Sf8
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),OGATE,S_FLIGHT::P(B)
  • Tries
    • Try
      • R(C);CHECK,P_PINP(c),XP(a)
      • Vars
        • K(b);N_SPINP(c),OGATE,S_FLIGHT::P(B)
      • Refutation
        • S(d);XR(C)
  • Actual
    • B(I);
    • Vars
      • K(b);N_SPINP(a),P_SPINS(d),S_FLIGHT::R1(C),XP(a)
      • K(b);N_SPINP(a),OGATE,S_FLIGHT::P(B)
      • S(d);N_GUARD::R1(D),XP(c)
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