MESON Chess Problem Database

Problem Display
PID: 15318 (8/8/1p6/5Q2/kr6/6R1/3B2K1/8 w - - 0 1)

Horislavski, M

Mat, 1982

8/8/1p6/5Q2/kr6/6R1/3B2K1/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qa6#
      • 1...Rc4
        • 2.Qxc4#
        • 2.Qb3#
      • 1...Rb5
        • 2.Qa3#
      • 1...b5
        • 2.Qa3#
      • 1...Ka5!
    • 1.Qd7+?
      • 1...Ka5
        • 2.Ra3#
      • 1...b5
        • 2.Qa7#
      • 1...Rb5!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qa6#
      • 1...Ka5
        • 2.Ra3#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rb5
        • 2.Qa1#
      • 1...b5
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • R(b);SBLOCK::QAR1(D)
        • P(c);SBLOCK::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,P_SPINR(b)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINR(b)::R(C)
        • P(c);P_SPINP(c),SBLOCK::QAR(D)
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • K(a);P-FLIGHT,P_SPINR(b)::R(C)
      • R(b);OGATEB::QAR2(D),XR(b)
      • R(b);SBLOCK::QAR(D)
      • P(c);SBLOCK::QAR(D)
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