MESON Chess Problem Database

Problem Display
PID: 157980 (7B/5Q2/4Kb2/8/4k3/7R/8/8 w - - 0 1)

Abdullayev, Elmar

Mikolaev-225 JT, 2014

7B/5Q2/4Kb2/8/4k3/7R/8/8

#2

4 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bb2
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bc3
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bd4
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bh4
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bg5
      • 2.Qf3#
      • 2.Qf5#
    • 1...Be7
      • 2.Qf3#
      • 2.Qf5#
    • 1...Bd8
      • 2.Qf3#
      • 2.Qf5#
  • Tries
    • 1.Kxf6?
      • threat
        • 2.Qc4#
      • 1...Kf4
        • 2.Qc4#
      • 1...Kd4!
    • 1.Qg6+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
    • 1.Qa7?
      • threat
        • 2.Qe3#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bg5
        • 2.Qd4#
        • 2.Qa4#
      • 1...Kf4!
    • 1.Qb7+?
      • 1...Kd4
        • 2.Qd5#
        • 2.Qb4#
      • 1...Kf4!
    • 1.Qh7+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd4!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qg4#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bg5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT,XB(b)
      • Threat
        • QAR2(C)
      • Vars
        • K(a);P-FLIGHT::QAR(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINB(b)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • B(b);N_GUARD::QAR1(C),XB(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINB(b)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);P-FLIGHT,P_SPINB(b)::QAR1(C)
      • K(a);P-FLIGHT::QAR1(C)
      • B(b);N_GUARD::QAR1(C),XB(b)
      • B(b);::QAB1(C)
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