MESON Chess Problem Database

Problem Display
PID: 46751 (8/4Q3/5pp1/5k2/3p4/6K1/4B3/8 w - - 0 1)

Lincoln, Robert A

British Chess Magazine, 2001

8/4Q3/5pp1/5k2/3p4/6K1/4B3/8

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Bd3#
  • Tries
    • 1.Qxf6+?
      • 1...Ke4
        • 2.Qe6#
      • 1...Kxf6!
    • 1.Qe3?
      • threat
        • 2.Bd3#
        • 2.Bg4#
      • 1...g5
        • 2.Bd3#
      • 1...d3
        • 2.Bxd3#
        • 2.Bg4#
      • 1...dxe3!
    • 1.Qe4+?
      • 1...Kg5
        • 2.Qf4#
      • 1...Kxe4!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qd5#
      • 1...Ke4
        • 2.Qe6#
      • 1...Kg5
        • 2.Qf4#
      • 1...g5
        • 2.Bd3#

FEATURES

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