MESON Chess Problem Database

Problem Display
PID: 23083 (3N3K/6B1/6k1/6p1/6Q1/8/6n1/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

3N3K/6B1/6k1/6p1/6Q1/8/6n1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Bh6?
      • threat
        • 2.Qxg5#
      • 1...Kf6
        • 2.Qe6#
        • 2.Qxg5#
      • 1...Kxh6!
    • 1.Qf3?
      • threat
        • 2.Qf7#
      • 1...g4
        • 2.Qxg4#
      • 1...Sf4!
    • 1.Qh3?
      • threat
        • 2.Qh7#
      • 1...g4
        • 2.Qxg4#
      • 1...Sh4!
    • 1.Qd7?
      • threat
        • 2.Qf7#
      • 1...g4
        • 2.Qxg4#
      • 1...Kh5!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Qxg5#
      • 1...Kxf6
        • 2.Qe6#
      • 1...Kh6
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A),XP(b)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT,XB(B)
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB1(A)
      • Vars
        • P(b);OGATEB::QAR2(A),XP(b)
      • Refutation
        • S(a);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB1(A)
      • Vars
        • P(b);OGATEB::QAR2(A),XP(b)
      • Refutation
        • S(a);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB1(A)
      • Vars
        • P(b);OGATEB::QAR2(A),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR1(A),XP(b)
    • Vars
      • K(c);N_SPINP(b),OGATEB,P-FLIGHT,XB(B)::QAR1(A)
      • K(c);N_SPINP(b),P-FLIGHT::QAB1(A),XP(b)
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