MESON Chess Problem Database

Problem Display
PID: 143824 (4R3/r1p5/p3N1R1/K1B1k2r/2P3P1/3p4/4n3/8 w - - 0 1)

Carra, Alberto

British Chess Magazine, 1927

4R3/r1p5/p3N1R1/K1B1k2r/2P3P1/3p4/4n3/8

#2

7 + 7

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Keys
    • 1.Be3!
      • threat
        • 2.Sd4#
        • 2.Sf4#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sxc7#
        • 2.Sg7#
        • 2.Sd8#
        • 2.Sf8#
      • 1...Ke4+
        • 2.Sg5#
      • 1...Kd6+
        • 2.Sc5#
      • 1...Rg5
        • 2.Sd4#
        • 2.Sf4#
        • 2.Sc5#
        • 2.Sxg5#
        • 2.Sxc7#
        • 2.Sg7#
        • 2.Sd8#
        • 2.Sf8#
      • 1...Rh7
        • 2.Sg7#
      • 1...Rh8
        • 2.Sf8#
      • 1...Ra8
        • 2.Sd8#
      • 1...Sd4
        • 2.Sxd4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...c5
        • 2.Sc7#
      • 1...c6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(D);
    • Threat
      • DUALS(8)
    • Vars
      • K(c);CHECK,P-FLIGHT::R(G)+S(E),DCHECK
      • K(c);CHECK,S_FLIGHT::R(F)+S(E)
      • R(d);::R(G)+S(E)
      • R(f);::R(G)+S(E)
      • S(a);::R(G)+S(E),XS(a)
      • P(g);::R(G)+S(E)
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