MESON Chess Problem Database

Problem Display
PID: 121472 (8/7Q/3k4/2pBp3/8/5N2/8/K2R4 w - - 0 1)

Jewetzky, Orest

Shakhmatny Zadachi, 1908

8/7Q/3k4/2pBp3/8/5N2/8/K2R4

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5?
      • threat
        • 2.Se4#
        • 2.Bh1#
        • 2.Bg2#
        • 2.Bf3#
        • 2.Be4#
        • 2.Bb7#
        • 2.Ba8#
      • 1...c4
        • 2.Se4#
      • 1...e4!
    • 1.Qf7?
      • threat
        • 2.Be4#
        • 2.Bb7#
        • 2.Ba8#
      • 1...e4
        • 2.Bxe4#
        • 2.Bb7#
        • 2.Ba8#
      • 1...c4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sc4#
        • 2.Se4#
      • 1...Kxd5
        • 2.Qd7#
      • 1...c4
        • 2.Se4#
      • 1...e4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(7)
      • Vars
        • P(a);::S(C)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Refutation
        • P(a);
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT,XB(D)::QAR2(E)
      • P(a);::S(C)
      • P(b);::S(C)
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