MESON Chess Problem Database

Problem Display
PID: 232993 (8/3p4/2n5/1Q6/3k1K2/2p4B/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2003

8/3p4/2n5/1Q6/3k1K2/2p4B/8/8

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • threat
        • 2.Qc4#
        • 2.Qd5#
      • 1...c2
        • 2.Qc4#
      • 1...Sb4
        • 2.Qc4#
      • 1...Sa5
        • 2.Qd5#
      • 1...Se5
        • 2.Qd5#
      • 1...Se7
        • 2.Qc4#
      • 1...d5
        • 2.Qxd5#
      • 1...dxe6!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Qc4#
      • 1...Sa5
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...d5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR1(C)
        • S(c);::QAR1(C)
        • P(d);::QAR1(C),XP(d)
      • Refutation
        • P(d);XB(A)
  • Actual
    • B(A);
    • Threat
      • QAR1(C)
    • Vars
      • S(c);N_GUARD::QAB1(C)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • P(d);SBLOCK::QAB(C)
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