MESON Chess Problem Database

Problem Display
PID: 234625 (4n3/3p4/6K1/3k1B2/1Q6/8/7B/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2004

4n3/3p4/6K1/3k1B2/1Q6/8/7B/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Qd4#
      • 1...d6
        • 2.Qe4#
        • 2.Qb5#
      • 1...Kc6!
    • 1.Bd6?
      • threat
        • 2.Qc5#
      • 1...Kc6
        • 2.Be4#
      • 1...Sxd6!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qe4#
      • 1...Sd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • S(c);XB(A)
  • Actual
    • B(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR2(B)
      • S(c);N_GUARD::QAR1(B),XS(c)
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