MESON Chess Problem Database

Problem Display
PID: 100946 (3N4/p7/k6r/B5p1/K1P5/R3p2r/8/6Q1 w - - 0 1)

Fontana, Alessandro

Good Companions, 1919

3N4/p7/k6r/B5p1/K1P5/R3p2r/8/6Q1

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qb5#
        • 2.Qb7#
      • 1...Rh7
        • 2.Qg6#
        • 2.Qb5#
      • 1...Rb6!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Bc7#
      • 1...Rb6+
        • 2.Bb4#
      • 1...e2+
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • R(e);
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • R(B)+B(E)
    • Vars
      • R(e);CHECK,SBLOCK::R(B)+B(E)
      • P(a);CHECK::R(B)+B(E)
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