MESON Chess Problem Database

Problem Display
PID: 74901 (8/1q2pK2/4B1p1/6k1/R4N2/6pR/3N4/7b w - - 0 1)

Golha, Jan

Szachy, 1976

8/1q2pK2/4B1p1/6k1/R4N2/6pR/3N4/7b

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Rg4#
      • 1...Bf3
        • 2.Sxf3#
      • 1...Be4
        • 2.Sxe4#
      • 1...Qb4!
    • 1.Rxg3+?
      • 1...Kh4
        • 2.Rg4#
      • 1...Kh6!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Rg4#
      • 1...Qf3+
        • 2.Sxf3#
      • 1...Qe4
        • 2.Sxe4#
      • 1...Qb4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(C)
      • Vars
        • B(a);N_GUARD::S(A),XB(a)
      • Refutation
        • Q(e);
    • Try
      • R(B);CHECK,XP(b)
      • Vars
        • K(c);S_FLIGHT::R1(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • R1(C)
    • Vars
      • Q(e);CHECK,N_GUARD::S(A),XQ(e)
      • Q(e);N_GUARD::S(A),XQ(e)
      • Q(e);N_GUARD::S(A)
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