MESON Chess Problem Database

Problem Display
PID: 9475 (2NK4/8/8/2k2B2/R7/2p2Q1p/7p/1n6 w - - 0 1)

Teed, Frank Melville

Checkmate, 1904

2NK4/8/8/2k2B2/R7/2p2Q1p/7p/1n6

#2

5 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4?
      • threat
        • 2.Ra5#
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...Sd2
        • 2.Ra5#
      • 1...Sa3!
    • 1.Qxc3+?
      • 1...Kb5
        • 2.Bd7#
        • 2.Ra5#
        • 2.Qc4#
      • 1...Kd5
        • 2.Ra5#
      • 1...Sxc3!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Be4#
        • 2.Bd7#
      • 1...Kb5
        • 2.Bd7#
      • 1...Kd5
        • 2.Bd7#
      • 1...Kc6
        • 2.Be4#
      • 1...h1Q
        • 2.Be4#
      • 1...h1B
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);P-FLIGHT::QAB1(A)
        • S(a);::R(B)
      • Refutation
        • S(a);
    • Try
      • Q(A);CHECK,XP(c)
      • Vars
        • K(e);P-FLIGHT::R(B)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);P-FLIGHT::QAR(A)+B(C),DCHECK
      • K(e);P-FLIGHT::QAR(A)+B(C)
      • K(e);P-FLIGHT::B(C)
      • P(b);::QAR(A)+B(C)
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