MESON Chess Problem Database

Problem Display
PID: 156891 (8/5K2/8/6pk/7b/8/3B2B1/7Q w - - 0 1)

Abdullayev, Elmar

Markovtsy, Vassyl Yuriovich

Problemist Ukraini, 2015

8/5K2/8/6pk/7b/8/3B2B1/7Q

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qxh4#
  • Tries
    • 1.Bf3+?
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Bd5?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Bc6?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Bb7?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Ba8?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Qh3?
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4!
    • 1.Qxh4+?
      • 1...gxh4
        • 2.Bf3#
      • 1...Kxh4!
  • Keys
    • 1.Be4!
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#
      • 1...g4
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • B(C);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK,XB(a)
      • Vars
        • P(b);SBLOCK,XQ(A)::B(C)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
  • Actual
    • B(C);
    • Vars
      • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A),XB(a)
      • P(b);SBLOCK::B(C)
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