MESON Chess Problem Database

Problem Display
PID: 55738 (3K3k/RppPpQ2/p3p3/2n3p1/pq6/1rr5/7N/7R w - - 0 1)

Limaz, Sergiy V

Tkachenko, Sergiy Ivanovich

Troll, 1993

3K3k/RppPpQ2/p3p3/2n3p1/pq6/1rr5/7N/7R

#2

6 + 12

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Sf3#
    • 1...Qa5
      • 2.Sf3#
    • 1...Qb5
      • 2.Sf3#
    • 1...Qb6
      • 2.Sf3#
    • 1...Sd3
      • 2.Sg4#
    • 1...Se4
      • 2.Sf3#
    • 1...g4
      • 2.Sf3#
  • Keys
    • 1.Ra8!
      • threat
        • 2.Kxc7#
        • 2.Kxe7#
      • 1...Sxd7
        • 2.Kxd7#
      • 1...Qa5
        • 2.Kxe7#
        • 2.Sf3#
      • 1...Qf4
        • 2.Kxe7#
      • 1...Qb6
        • 2.Kxe7#
        • 2.Sf3#
      • 1...Sd3
        • 2.Sg4#
      • 1...Se4
        • 2.Sf3#
      • 1...c6
        • 2.Kc7#
        • 2.Kxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(d);N_GUARD::R(A)+S(B)
    • S(e);S_CUTR(b)::R(A)+S(B)
    • S(e);S_CUTQ(d)::R(A)+S(B)
    • P(f);S_CUTQ(d)::R(A)+S(B)
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • S(e);XP(D)::R(C)+K(F),XS(e)
      • Q(d);::R(C)+K(F),XP(k)
      • S(e);S_CUTR(b)::R(A)+S(B)
      • S(e);S_CUTQ(d)::R(A)+S(B)
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