MESON Chess Problem Database

Problem Display
PID: 262464 (8/8/1K4N1/1BBk1P2/5p2/2p1pP2/3P3r/b2N4 w - - 0 1)

Onkoud, Abdelaziz

Europe Echecs, 1991

8/8/1K4N1/1BBk1P2/5p2/2p1pP2/3P3r/b2N4

#2

8 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.dxc3?
      • threat
        • 2.c4#
      • 1...Bxc3
        • 2.Sxc3#
      • 1...Rc2!
    • 1.dxe3?
      • threat
        • 2.e4#
      • 1...fxe3
        • 2.Sxe3#
      • 1...Re2!
    • 1.d4?
      • threat
        • 2.Sxf4#
        • 2.Se7#
      • 1...Rh4
        • 2.Se7#
      • 1...Rh7
        • 2.Sxf4#
      • 1...Rh6!
  • Keys
    • 1.d3!
      • threat
        • 2.Bc4#
        • 2.Bc6#
      • 1...Rb2
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);XP(c)
      • Threat
        • P(B)
      • Vars
        • B(a);XP(B)::S(A),XB(a)
      • Refutation
        • R(b);
    • Try
      • P(B);XP(d)
      • Threat
        • P(B)
      • Vars
        • P(e);XP(B)::S(A),XP(e)
      • Refutation
        • R(b);
    • Try
      • P(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);::S(H)
        • R(b);::S(H),XP(e)
      • Refutation
        • R(b);P_PINS(H)
  • Actual
    • P(B);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);P_PINB(D),S_CUTB(a)::S(A),XP(c)
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