MESON Chess Problem Database

Problem Display
PID: 232489 (8/5b2/8/1B6/1k6/3QK3/nP6/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2012

8/5b2/8/1B6/1k6/3QK3/nP6/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Bc4
        • 2.Qa3#
      • 1...Kc5!
    • 1.Be8?
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Bc4
        • 2.Qa3#
      • 1...Bxe8!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Bc4
        • 2.Qa3#

There are these versions: 235523

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • S(a);N_GUARD::QAB1(B),XS(a)
        • B(c);SBLOCK::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);S_FLIGHT::QAB1(B)
        • S(a);N_GUARD::QAB1(B),XS(a)
        • B(c);SBLOCK::QAB1(B)
      • Refutation
        • B(c);XB(D)
  • Actual
    • B(D);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);S_FLIGHT::QAR1(B)
      • K(b);S_FLIGHT::QAB1(B)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • B(c);SBLOCK::QAB1(B)
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