MESON Chess Problem Database

Problem Display
PID: 220223 (8/8/8/7b/1p6/3Q4/2B1p3/K1k5 w - - 0 1)

Torngren, Pehr Hendrik

Die Schwalbe, 1928

8/8/8/7b/1p6/3Q4/2B1p3/K1k5

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • threat
        • 2.Qc2#
        • 2.Qe3#
      • 1...e1Q
        • 2.Qc2#
      • 1...e1S
        • 2.Qe3#
      • 1...e1B
        • 2.Qc2#
      • 1...e1R
        • 2.Qc2#
      • 1...Bg6
        • 2.Qe3#
      • 1...b3!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Qc2#
        • 2.Qe3#
      • 1...e1Q
        • 2.Qc2#
      • 1...e1S
        • 2.Qe3#
      • 1...e1B
        • 2.Qc2#
      • 1...e1R
        • 2.Qc2#
      • 1...Bg6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(C)
        • P(b);::QAB(C)
        • B(d);::QAB(C)
      • Refutation
        • P(c);
  • Actual
    • B(B);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::QAR1(C)
      • P(b);::QAB(C)
      • B(d);::QAB(C)
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