MESON Chess Problem Database

Problem Display
PID: 146029 (4b1r1/2p1k1p1/1p6/1p2K2p/8/4N3/8/Q2RBR2 w - - 0 1)

Rothstein, Louis

2nd Prize, Good Companions (January black Bishop), 1918

4b1r1/2p1k1p1/1p6/1p2K2p/8/4N3/8/Q2RBR2

#2

6 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qe6#
      • 1...Bf7
        • 2.Qxf7#
      • 1...Bd7!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qd8#
      • 1...Bc6
        • 2.Bb4#
      • 1...Bg6
        • 2.Bh4#
      • 1...Bd7
        • 2.Sd5#
      • 1...Bf7
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(g);N_GUARD::QAR1(A),XB(g)
      • Refutation
        • B(g);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • B(g);S_CUTP(d)::B(C)
      • B(g);S_CUTP(f)::B(C)
      • B(g);SBLOCK::S(E)
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