MESON Chess Problem Database

Problem Display
PID: 72585 (2qR4/8/4R3/1Bp1NP1Q/3P1p2/4kP1r/4b3/1N2Kn2 w - - 0 1)

Zilahi, Zoltan

Tijdschrift vd KNSB, 1936

2qR4/8/4R3/1Bp1NP1Q/3P1p2/4kP1r/4b3/1N2Kn2

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qa6
      • 2.Sc6#
    • 1...Qb7
      • 2.Sc6#
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qa8
      • 2.Sc6#
    • 1...Qxd8
      • 2.Sc6#
    • 1...Rxf3
      • 2.Sg4#
    • 1...Bd3
      • 2.Sc4#
    • 1...Bxf3
      • 2.Sg4#
    • 1...cxd4
      • 2.Sd7#
  • Tries
    • 1.Bxe2?
      • threat
        • 2.Sc4#
        • 2.Sg4#
      • 1...Qxe6
        • 2.Sg4#
      • 1...Qxd8
        • 2.Sc6#
      • 1...c4
        • 2.Sxc4#
        • 2.Sg4#
      • 1...Qd7!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Sc2#
      • 1...Rxf3
        • 2.Sg4#
      • 1...Bxf3
        • 2.Sg4#
      • 1...cxd4
        • 2.Sd7#
      • 1...Bd1
        • 2.Sac4#
      • 1...Bd3
        • 2.Sec4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(g);N_GUARD::R(I)+S(F)
    • Q(g);N_GUARD::R(I)+S(F),XQ(g)
    • Q(g);N_GUARD,XR(J)::R(I)+S(F)
    • R(d);SBLOCK,XP(C)::R(I)+S(F),DCHECK
    • B(b);SBLOCK::R(I)+S(F),DCHECK
    • B(b);SBLOCK,XP(C)::R(I)+S(F),DCHECK
    • P(f);SBLOCK,XP(D)::R(I)+S(F)
  • Tries
    • Try
      • B(E);XB(b)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);XR(I)::S(F)
        • Q(g);N_GUARD,XR(J)::R(I)+S(F)
      • Refutation
        • Q(g);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(d);SBLOCK,XP(C)::R(I)+S(F),DCHECK
      • B(b);SBLOCK,XP(C)::R(I)+S(F),DCHECK
      • P(f);SBLOCK,XP(D)::R(I)+S(F)
      • B(b);N_GUARD::S(A)
      • B(b);SBLOCK::R(I)+S(F),DCHECK
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