MESON Chess Problem Database

Problem Display
PID: 133802 (B7/3Qp1p1/8/4k3/8/4P3/4K3/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

200 Shakhmatni Zadachi, 1983

B7/3Qp1p1/8/4k3/8/4P3/4K3/8

#2

4 + 3

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bd5?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Kf6!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qxe7#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Kf6
        • 2.Qf5#
      • 1...e6
        • 2.Qd4#

Anticipated by 206488(1925)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(C)
      • Vars
        • P(b);::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR2(C),XP(b)
    • Vars
      • K(a);P-FLIGHT,XB(D)::QAR2(C)
      • K(a);S_FLIGHT::QAR1(C)
      • P(b);SBLOCK::QAB1(C)
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