MESON Chess Problem Database

Problem Display
PID: 21309 (8/1p6/kp6/N2Q4/8/3p4/3Bp3/4K3 w - - 0 1)

O'Keefe, John James

2nd HM., Good Companions (April Complete Blocks), 1918

8/1p6/kp6/N2Q4/8/3p4/3Bp3/4K3

#2

4 + 5

2681 All Change Here! 1919
3132 The Good Companion Two-Mover 1922
934 Social Chess Quarterly (The) 1934
3310 2345 Chess Problems 1997
56 The Problemist 2005
3713 Snap 2008
5454 Near Snap 2010
  • SOUND
  • Sets
    • 1...Ka7
      • 2.Qxb7#
    • 1...bxa5
      • 2.Qxa5#
    • 1...b5
      • 2.Qxb7#
  • Tries
    • 1.Bc3?
      • 1...Ka7
        • 2.Qxb7#
      • 1...bxa5
        • 2.Qxa5#
      • 1...b5
        • 2.Qxb7#
      • 1...d2+!
    • 1.Bb4?
      • 1...Ka7
        • 2.Qxb7#
      • 1...bxa5
        • 2.Qxa5#
      • 1...b5
        • 2.Qxb7#
      • 1...d2+!
    • 1.Qe4?
      • 1...Kb5
        • 2.Qc4#
      • 1...Ka7
        • 2.Qxb7#
      • 1...b5
        • 2.Qxb7#
      • 1...bxa5!
    • 1.Qc6?
      • 1...Ka7
        • 2.Qxb7#
      • 1...bxc6!
    • 1.Qe6?
      • 1...Kb5
        • 2.Qc4#
      • 1...Ka7!
    • 1.Qf7?
      • 1...Kb5
        • 2.Qc4#
      • 1...Ka7
        • 2.Qxb7#
      • 1...b5
        • 2.Qxb7#
      • 1...bxa5!
    • 1.Qd7?
      • 1...Ka7
        • 2.Qxb7#
      • 1...b5
        • 2.Qxb7#
      • 1...bxa5!
  • Keys
    • 1.Qa2!
      • 1...Kb5
        • 2.Qc4#
      • 1...Ka7
        • 2.Sc6#
      • 1...bxa5
        • 2.Qxa5#
      • 1...b5
        • 2.Sc4#

This anticipates 77239(1927), 102513(1964), 12404(1978), 150698(1982), 79321(1988), 203054(1990), 245207(2000)

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