MESON Chess Problem Database

Problem Display
PID: 163608 (5N1Q/1P2P1pr/bR5p/PpKpPN2/1p2k3/2R1P1PB/2p1P3/B7 w - - 0 1)

Kozdon, Baldur

Novi Temi, 1973

5N1Q/1P2P1pr/bR5p/PpKpPN2/1p2k3/2R1P1PB/2p1P3/B7

#2

15 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Re6#
      • 2.e8Q#
      • 2.e8R#
    • 1...g5
      • 2.Sd6#
    • 1...g6
      • 2.Sd6#
  • Tries
    • 1.Qg8?
      • threat
        • 2.Qxd5#
      • 1...Kxe5
        • 2.Re6#
        • 2.Qxd5#
        • 2.Qe6#
        • 2.e8Q#
        • 2.e8R#
      • 1...d4
        • 2.Qd5#
      • 1...Bxb7!
  • Keys
    • 1.Sd6+!
      • 1...Kxe5
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(h);::S(J)
  • Tries
    • Try
      • Q(O);
      • Threat
        • QAB1(O),XP(e)
      • Vars
        • P(e);::QAB1(O)
      • Refutation
        • B(f);XP(L)
  • Actual
    • S(J);CHECK
    • Vars
      • K(c);P-FLIGHT,P_SPINP(h),XP(I)::S(N)
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