MESON Chess Problem Database

Problem Display
PID: 223610 (5b2/RNpr4/p1k5/B1p1RBP1/1PP1nK2/8/8/8 w - - 0 1)

Gajevskis, A

Sachmatija, 2020

5b2/RNpr4/p1k5/B1p1RBP1/1PP1nK2/8/8/8

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Bxe4#
    • 1...Sd6
      • 2.Rxc5#
  • Tries
    • 1.Sd8+?
      • 1...Kd6
        • 2.Re6#
      • 1...Rxd8!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Rxa6#
      • 1...Kxd6
        • 2.Re6#
      • 1...Rxd6
        • 2.Rxc7#
      • 1...Bxd6
        • 2.Bxe4#
      • 1...Sxd6
        • 2.Rxc5#
      • 1...cxd6
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(g);P_PINR(E),S_CUTR(f)::B(F),XS(a)
    • S(a);N_GUARD,S_CUTB(g)::R1(E),XP(b)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(E)
      • Refutation
        • R(f);XS(I)
  • Actual
    • S(I);
    • Threat
      • R(H),XP(c)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XS(I)::R1(E)
      • R(f);N_GUARD,SBLOCK,XS(I)::R1(H),XP(e)
      • B(g);P_PINR(E),SBLOCK,XS(I)::B(F),XS(a)
      • S(a);N_GUARD,SBLOCK,XS(I)::R1(E),XP(b)
      • P(e);SBLOCK,XS(I)::B(F),XR(f)
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