MESON Chess Problem Database

Problem Display
PID: 196308 (8/3N4/2pP2PP/1p3k2/1B2NP1R/3K4/p1BPR1p1/8 w - - 0 1)

Hynonen, Veikko August

Suomen Shakki, 1984

8/3N4/2pP2PP/1p3k2/1B2NP1R/3K4/p1BPR1p1/8

#2

12 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5?
      • threat
        • 2.Kc3#
        • 2.Ke3#
        • 2.Kd4#
      • 1...Kxg6
        • 2.Kc3#
        • 2.Ke3#
        • 2.Kd4#
      • 1...a1Q
        • 2.Ke3#
      • 1...a1B
        • 2.Ke3#
      • 1...g1Q
        • 2.Kc3#
      • 1...g1B
        • 2.Kc3#
      • 1...c5
        • 2.Kc3#
        • 2.Ke3#
      • 1...a1S!
  • Keys
    • 1.Kd4!
      • threat
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sec5#
        • 2.Sg5#
        • 2.Sef6#
      • 1...a1Q+
        • 2.Sc3#
      • 1...a1B+
        • 2.Sc3#
      • 1...g1Q+
        • 2.Sf2#
      • 1...g1B+
        • 2.Sf2#
      • 1...c5+
        • 2.Sexc5#
      • 1...Ke6
        • 2.Sef6#
      • 1...Kxg6
        • 2.Sg5#
      • 1...a1S
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::B(A)+K(D)
        • P(b);::B(A)+K(D)
      • Refutation
        • P(a);
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(6)
    • Vars
      • P(a);CHECK::B(A)+S(F)
      • P(b);CHECK::B(A)+S(F)
      • P(e);CHECK::B(A)+S(F),XP(e)
      • K(d);S_FLIGHT::R(C)+S(F)
      • K(d);S_FLIGHT,XP(J)::B(A)+S(F)
      • P(a);::B(A)+S(F),DCHECK
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