MESON Chess Problem Database

Problem Display
PID: 181128 (n5nK/3Q4/6p1/R7/2R2BPk/4p2q/8/6N1 w - - 0 1)

Palkoska, Emil

Schweizerische Schachzeitung, 1904

n5nK/3Q4/6p1/R7/2R2BPk/4p2q/8/6N1

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Bg5#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Bg5#
      • 1...Kxg4+
        • 2.Bh6#
      • 1...Qxg4
        • 2.Bg3#
      • 1...g5
        • 2.Bxg5#
      • 1...Sxc7!
    • 1.Qh7+?
      • 1...Kxg4
        • 2.Bh2#
        • 2.Bd6#
        • 2.Bc7#
        • 2.Bb8#
        • 2.Rg5#
        • 2.Qxh3#
      • 1...Sh6!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Bg5#
      • 1...Kxg4+
        • 2.Bh6#
      • 1...Qxg4
        • 2.Bg3#
      • 1...g5
        • 2.Bxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(b);SBLOCK::B(C)
  • Tries
    • Try
      • Q(F);
      • Threat
        • B(C)
      • Vars
        • K(c);CHECK,OGATEB,P-FLIGHT,XP(D)::R(B)+B(C)
        • Q(b);N_GUARD,XP(D)::B(C)
        • P(d);::B(C),XP(d)
      • Refutation
        • S(e);XQ(F)
    • Try
      • Q(F);CHECK
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • Q(F);
    • Threat
      • B(C)
    • Vars
      • K(c);CHECK,OGATEB,P-FLIGHT,XP(D)::R(B)+B(C)
      • Q(b);N_GUARD,XP(D)::B(C)
      • P(d);::B(C),XP(d)
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