MESON Chess Problem Database

Problem Display
PID: 235998 (B1R2B2/8/r3p3/2NPkpPK/4P3/4P3/b4R2/2n5 w - - 0 1)

Grinblat, Arieh

Variantim, 2016

B1R2B2/8/r3p3/2NPkpPK/4P3/4P3/b4R2/2n5

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Bg7#
    • 1...fxe4
      • 2.Sd7#
    • 1...exd5
      • 2.Rxf5#
  • Tries
    • 1.Rf4?
      • threat
        • 2.Sd7#
      • 1...exd5
        • 2.Rxf5#
      • 1...Rd6
        • 2.Bg7#
      • 1...Ra7!
    • 1.Re8?
      • threat
        • 2.Rxf5#
      • 1...fxe4
        • 2.Sd7#
      • 1...f4!
  • Keys
    • 1.Rd8!
      • threat
        • 2.Bg7#
      • 1...exd5
        • 2.Rxf5#
      • 1...Ra7
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(e);SBLOCK::B(J)
    • P(d);SBLOCK,XP(C)::S(D)
    • P(f);N_GUARD,XP(E)::R1(A),XP(d)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(D)
      • Vars
        • P(f);N_GUARD,XP(E)::R1(A),XP(d)
        • R(e);SBLOCK::B(J)
      • Refutation
        • R(e);
    • Try
      • R(I);P_PINP(f)
      • Threat
        • R1(A),XP(d)
      • Vars
        • P(d);SBLOCK,XP(C)::S(D)
      • Refutation
        • P(d);
  • Actual
    • R(I);
    • Threat
      • B(J)
    • Vars
      • P(f);N_GUARD,XP(E)::R1(A),XP(d)
      • R(e);N_GUARD::B(J)
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