MESON Chess Problem Database

Problem Display
PID: 80027 (8/Q7/7P/4K3/8/8/6bk/5BR1 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Baku, 1985

8/Q7/7P/4K3/8/8/6bk/5BR1

#2

5 + 2

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg2+?
      • 1...Kh1
        • 2.Qg1#
      • 1...Kh3!
    • 1.Qe3?
      • 1...Bxf1
        • 2.Qg3#
      • 1...Bh1
        • 2.Qg3#
      • 1...Bh3
        • 2.Qg3#
      • 1...Be4
        • 2.Qg3#
      • 1...Bd5
        • 2.Qg3#
      • 1...Bc6
        • 2.Qg3#
      • 1...Bb7
        • 2.Qg3#
      • 1...Ba8
        • 2.Qg3#
      • 1...Bf3!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxg2#
      • 1...Kxg1
        • 2.Qxg2#
      • 1...Kh3
        • 2.Rh1#
      • 1...Bxf1
        • 2.Qg3#
      • 1...Bf3
        • 2.Qg3#
      • 1...Bh1
        • 2.Qg3#
      • 1...Bh3
        • 2.Qg3#
      • 1...Be4
        • 2.Qg3#
      • 1...Bd5
        • 2.Qg3#
      • 1...Bc6
        • 2.Qg3#
      • 1...Bb7
        • 2.Qg3#
      • 1...Ba8
        • 2.Qg3#

This anticipates 172407(1997)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XB(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • B(a);XB(A)::QAB1(E)
        • B(a);::QAB1(E)
      • Refutation
        • B(a);
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XB(a)
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT,XR(B)::QAR1(E),XB(a)
      • K(b);P-FLIGHT,P_SPINB(a)::R(B)
      • B(a);XB(A)::QAB1(E)
      • B(a);::QAB1(E)
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