MESON Chess Problem Database

Problem Display
PID: 65414 (4N3/2p2K2/3p4/B3kp1p/2PpppP1/5P2/8/7R w - - 0 1)

Onkoud, Abdelaziz

Problemesis, 2000

4N3/2p2K2/3p4/B3kp1p/2PpppP1/5P2/8/7R

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Bc3#
    • 1...exf3
      • 2.Re1#
    • 1...fxg4
      • 2.Rxh5#
    • 1...d5
      • 2.Bxc7#
  • Tries
    • 1.Bxc7?
      • threat
        • 2.Bxd6#
      • 1...exf3
        • 2.Re1#
      • 1...fxg4
        • 2.Rxh5#
      • 1...d3!
    • 1.Rxh5?
      • threat
        • 2.Rxf5#
      • 1...d3
        • 2.Bc3#
      • 1...exf3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sd7#
      • 1...exf3
        • 2.Re1#
      • 1...fxg4
        • 2.Rxh5#
      • 1...d3
        • 2.Bc3#
      • 1...d5
        • 2.Bxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::B(E)
    • P(b);OGATEB,XP(B)::R(A)
    • P(e);OGATEB,XP(D)::R(A),XP(f)
    • P(g);OGATEB::B(E),XP(h)
  • Tries
    • Try
      • B(E);P_PINP(g),XP(h)
      • Threat
        • B(E),XP(g)
      • Vars
        • P(b);OGATEB,XP(B)::R(A)
        • P(e);OGATEB,XP(D)::R(A),XP(f)
      • Refutation
        • P(a);
    • Try
      • R(A);P_PINP(e),XP(f)
      • Threat
        • R1(A),XP(e)
      • Vars
        • P(a);OGATEB::B(E)
      • Refutation
        • P(b);XP(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • P(b);OGATEB,XP(B)::R(A)
      • P(e);OGATEB,XP(D)::R(A),XP(f)
      • P(a);OGATEB::B(E)
      • P(g);OGATEB::B(E),XP(h)
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