MESON Chess Problem Database

Problem Display
PID: 47366 (8/p2b4/8/N7/kp6/8/1K6/5Q2 w - - 0 1)

Lincoln, Robert A

Kudesnik, 1999

8/p2b4/8/N7/kp6/8/1K6/5Q2

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Qa1#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qa6#
      • 1...Bb5
        • 2.Qa1#
      • 1...a5
        • 2.Sc5#
      • 1...a6
        • 2.Qxa6#
      • 1...Bc8!
    • 1.Qa6?
      • threat
        • 2.Sb3#
        • 2.Sc4#
        • 2.Sc6#
        • 2.Sb7#
      • 1...b3
        • 2.Sc6#
      • 1...Bc8
        • 2.Sb7#
      • 1...Bc6
        • 2.Sb3#
        • 2.Sc4#
        • 2.Sxc6#
        • 2.Sb7#
      • 1...Bb5!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Qa6#
      • 1...b3
        • 2.Qc4#
      • 1...Bb5
        • 2.Qa1#
      • 1...a5
        • 2.Sc5#
      • 1...a6
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(d);SBLOCK::QAR(A)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR2(A)
      • Vars
        • B(d);SBLOCK::QAR(A)
        • P(c);SBLOCK::S(C)
        • P(c);::QAR2(A),XP(c)
      • Refutation
        • B(d);
    • Try
      • Q(A);
      • Threat
        • DUALS(4)
      • Vars
        • P(b);::QAR(A)+S(C)
        • B(d);::QAR(A)+S(C)
      • Refutation
        • B(d);
  • Actual
    • S(C);
    • Threat
      • QAR2(A)
    • Vars
      • P(b);OGATEB::QAR2(A)
      • B(d);SBLOCK::QAR(A)
      • P(c);SBLOCK::S(C)
      • P(c);::QAR2(A),XP(c)
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