MESON Chess Problem Database

Problem Display
PID: 175542 (b1QR2K1/4pppp/2PP3q/3k1B2/8/2bNP3/2Prn3/8 w - - 0 1)

Holzman, Josef

Obrazkova Revue, 1900

b1QR2K1/4pppp/2PP3q/3k1B2/8/2bNP3/2Prn3/8

#2

9 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Be4+?
      • 1...Kc4
        • 2.Qa6#
      • 1...Kxe4!
    • 1.dxe7+?
      • 1...Kc4
        • 2.Qa6#
      • 1...Qd6!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qb5#
      • 1...Qxe3
        • 2.dxe7#
      • 1...Bxc6
        • 2.Qa2#
      • 1...Bb4
        • 2.c4#
      • 1...Bd4
        • 2.c4#
        • 2.e4#
      • 1...Sd4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB(G)
      • Refutation
        • K(d);S_FLIGHT,XB(D)
    • Try
      • P(F);CHECK,XP(f)
      • Vars
        • K(d);S_FLIGHT::QAB(G)
      • Refutation
        • Q(e);P_SPINQ(e)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • Q(e);N_GUARD,XP(C)::R(H)+P(F),XP(f)
      • B(j);SBLOCK,XP(E)::QAB(G)
      • B(c);OGATE::P(A)
      • S(b);SBLOCK::P(C)
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