MESON Chess Problem Database

Problem Display
PID: 121354 (6n1/2p5/8/2PkN3/1K2p1B1/8/8/Q7 w - - 0 1)

Jewetzky, Orest

Shakhmatnoe obozrenie, 1901

6n1/2p5/8/2PkN3/1K2p1B1/8/8/Q7

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6?
      • 1...Kc6
        • 2.Qa8#
      • 1...Sf6
        • 2.Se7#
      • 1...Sh6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...c6
        • 2.Sf4#
        • 2.Qe5#
        • 2.Qd1#
      • 1...e3!
  • Keys
    • 1.Sc6!
      • 1...Kxc6
        • 2.Qa8#
      • 1...e3
        • 2.Qh1#
      • 1...Sf6
        • 2.Se7#
      • 1...Sh6
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • S(d);N_GUARD::S(E)
        • S(d);N_GUARD::S(E),XS(d)
      • Refutation
        • P(a);
  • Actual
    • S(E);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • P(a);OGATEB::QAB(A)
      • S(d);N_GUARD::S(E)
      • S(d);N_GUARD::S(E),XS(d)
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