MESON Chess Problem Database

Problem Display
PID: 172547 (3Nbb2/2P4Q/1K1k4/8/8/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2004

3Nbb2/2P4Q/1K1k4/8/8/8/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4?
      • threat
        • 2.Qe6#
      • 1...Kd7
        • 2.Qe6#
      • 1...Bd7
        • 2.Sb7#
        • 2.Sf7#
      • 1...Bf7!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qe6#
        • 2.c8S#
      • 1...Ke7
        • 2.Qe6#
      • 1...Bd7
        • 2.Qc5#
      • 1...Bf7
        • 2.c8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • B(b);
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • B(b);SBLOCK::QAB1(C)
      • B(b);::P=S
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