MESON Chess Problem Database

Problem Display
PID: 93117 (2QBB3/4P3/7p/6k1/3K4/8/8/8 w - - 0 1)

Rorsberg, H

Tidskrift for Schack, 1934

2QBB3/4P3/7p/6k1/3K4/8/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Kf6
        • 2.Qg6#
      • 1...Kxg4!
  • Keys
    • 1.Bh5!
      • 1...Kf4
        • 2.Qg4#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kxh5
        • 2.e8Q#
        • 2.e8B#
      • 1...Kf6
        • 2.e8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);P-FLIGHT,XB(E)::P=Q
      • K(a);S_FLIGHT::P=S
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