MESON Chess Problem Database

Problem Display
PID: 207492 (5Q2/2p5/1bK1p3/8/3k1N2/2p5/2P5/8 w - - 0 1)

Henderson, Thomas

Australasian (The), 1871

5Q2/2p5/1bK1p3/8/3k1N2/2p5/2P5/8

#2

4 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2?
      • threat
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...e5
        • 2.Qb4#
      • 1...Kc4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qf4#
      • 1...Kc4
        • 2.Qb4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...e5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
        • K(b);S_FLIGHT::QAB1(D)
        • P(d);SBLOCK::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR2(D)
    • Vars
      • K(b);P-FLIGHT::QAR1(D)
      • K(b);S_FLIGHT::QAB1(D)
      • P(d);SBLOCK::QAR2(D)
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