MESON Chess Problem Database

Problem Display
PID: 89984 (8/q1p5/p1p1P1NK/6R1/3k4/3P1Bp1/1P1BP3/6b1 w - - 0 1)

Onkoud, Abdelaziz

Die Schwalbe, 1998

8/q1p5/p1p1P1NK/6R1/3k4/3P1Bp1/1P1BP3/6b1

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rg4#
    • 1...Be3
      • 2.Bc3#
    • 1...c5
      • 2.Rg4#
      • 2.Rd5#
  • Tries
    • 1.Re5?
      • threat
        • 2.Bc3#
      • 1...Be3+
        • 2.Bxe3#
      • 1...Qc5!
  • Keys
    • 1.Bxc6!
      • threat
        • 2.Rd5#
      • 1...Qc5
        • 2.Rg4#
      • 1...Be3
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(f);SBLOCK::R(F)
    • B(a);P_PINR(F),SBLOCK::B(B)
  • Tries
    • Try
      • R(F);
      • Threat
        • B(B)
      • Vars
        • B(a);CHECK,N_GUARD::B(B),XB(a)
      • Refutation
        • Q(f);
  • Actual
    • B(E);XP(e)
    • Threat
      • R1(F)
    • Vars
      • Q(f);SBLOCK::R(F)
      • B(a);P_PINR(F),SBLOCK::B(B)
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