MESON Chess Problem Database

Problem Display
PID: 248854 (8/8/5pNp/5Rp1/6k1/3K2pR/7p/7N w - - 0 1)

Sheratsov, V

Zadachi i Etyudi, 2003

8/8/5pNp/5Rp1/6k1/3K2pR/7p/7N

#2

5 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Ke4?
      • 1...g2
        • 2.Sf2#
      • 1...h5
        • 2.Rxg3#
      • 1...Kxh3!
    • 1.Rxf6?
      • 1...g2
        • 2.Sf2#
      • 1...h5
        • 2.Rxg3#
      • 1...Kxh3!
  • Keys
    • 1.Rf3!
      • 1...Kxf3
        • 2.Rxg3#
      • 1...Kxh3
        • 2.Rxg3#
      • 1...g2
        • 2.Sf2#
      • 1...f5
        • 2.Rfxg3#
      • 1...h5
        • 2.Rhxg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);N_GUARD::S(A)
        • P(f);SBLOCK::R1(C),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • R(D);XP(e)
      • Vars
        • P(b);N_GUARD::S(A)
        • P(f);SBLOCK::R1(C),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
  • Actual
    • R(D);
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT,XR(D)::R1(C),XP(b)
      • K(c);P_SPINP(b),S_FLIGHT,XR(C)::R1(D),XP(b)
      • P(b);N_GUARD::S(A)
      • P(e);SBLOCK::R1(D),XP(b)
      • P(f);SBLOCK::R1(C),XP(b)
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