MESON Chess Problem Database

Problem Display
PID: 153076 (5B1b/8/3p2Q1/4k3/8/3K4/6P1/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Kudesnik, 2009

5B1b/8/3p2Q1/4k3/8/3K4/6P1/8

#2

4 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxd6#
    • 1...Bf6
      • 2.Qe4#
    • 1...d5
      • 2.Bd6#
  • Tries
    • 1.g3?
      • 1...Kd5
        • 2.Qxd6#
      • 1...Bf6
        • 2.Qe4#
      • 1...d5
        • 2.Bd6#
      • 1...Bg7!
    • 1.g4?
      • threat
        • 2.Qf5#
        • 2.Qxd6#
      • 1...Kd5
        • 2.Qxd6#
      • 1...Bf6
        • 2.Qe4#
        • 2.Qf5#
      • 1...d5
        • 2.Bd6#
        • 2.Qf5#
        • 2.Qd6#
      • 1...Kf4!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg5#
      • 1...Kd5
        • 2.Qxd6#
      • 1...d5
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR1(C),XP(b)
    • B(c);SBLOCK::QAR1(C)
    • P(b);SBLOCK::B(D)
  • Tries
    • Try
      • P(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C),XP(b)
        • B(c);SBLOCK::QAR1(C)
        • P(b);SBLOCK::B(D)
      • Refutation
        • B(c);
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C),XP(b)
      • P(b);SBLOCK::B(D)
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