MESON Chess Problem Database

Problem Display
PID: 93769 (n1r5/Q1p5/1N1p3B/3b1P2/1P1k4/8/1PB5/1K4b1 w - - 0 1)

Hostan, Jan

Ceske listy sachove, 1898

n1r5/Q1p5/1N1p3B/3b1P2/1P1k4/8/1PB5/1K4b1

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sd7#
    • 1...Be3
      • 2.Bg7#
    • 1...c5
      • 2.Qg7#
    • 1...c6
      • 2.Qg7#
  • Keys
    • 1.b3!
      • threat
        • 2.Qa1#
      • 1...Kc3
        • 2.Sxd5#
      • 1...Ke5
        • 2.Sd7#
      • 1...cxb6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(b);S_FLIGHT::S(F)
    • B(a);SBLOCK::B(G)
    • P(e);OGATE::QAB(H)
  • Actual
    • P(B);
    • Threat
      • QAB(H)
    • Vars
      • K(b);S_FLIGHT::S(F),XB(c)
      • K(b);S_FLIGHT::S(F)
      • P(e);OGATE,P_SPINP(e),XS(F)::QAB(H)
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