MESON Chess Problem Database

Problem Display
PID: 55905 (8/2BB1p2/R2N1n2/1K1kPN2/3b2rq/3R1n1r/8/7Q w - - 0 1)

Lynn, David P

Troll, 1993

8/2BB1p2/R2N1n2/1K1kPN2/3b2rq/3R1n1r/8/7Q

#2

9 + 8

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd4+?
      • 1...Kxe5
        • 2.Sc4#
        • 2.Se4#
        • 2.Sb7#
        • 2.Sxf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...Rxd4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Rxd4#
      • 1...Rxe4
        • 2.Se7#
      • 1...Sxe4
        • 2.Se3#
      • 1...Qe1
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XB(c)
      • Refutation
        • R(d);XR(B)
  • Actual
    • S(G);N_PINS(a)
    • Threat
      • S(G)
    • Vars
      • K(f);N_SPINB(c),P_SPINS(a),S_FLIGHT,XS(G)::R1(B),XB(c)
      • R(d);SBLOCK,XS(G)::S(E)
      • S(g);SBLOCK,XS(G)::S(E)
      • Q(e);N_GUARD::S(G),XS(g)
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