MESON Chess Problem Database

Problem Display
PID: 246108 (8/p3K3/1p4B1/k7/2Q5/8/8/3b4 w - - 0 1)

Zinoviev, Nikolai

Smena (Moscow), 1994

8/p3K3/1p4B1/k7/2Q5/8/8/3b4

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qb5#
      • 1...b5
        • 2.Qxb5#
      • 1...Ba4
        • 2.Qc3#
      • 1...a6!
  • Keys
    • 1.Be8!
      • threat
        • 2.Qb5#
      • 1...b5
        • 2.Qxb5#
      • 1...Be2
        • 2.Qa4#
      • 1...Ba4
        • 2.Qxa4#
      • 1...a6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
        • B(a);SBLOCK::QAB(A)
      • Refutation
        • P(d);
  • Actual
    • B(B);
    • Threat
      • QAR1(A)
    • Vars
      • P(c);::QAR1(A),XP(c)
      • B(a);N_GUARD::QAR1(A)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • P(d);SBLOCK::QAB(A)
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