MESON Chess Problem Database

Problem Display
PID: 57355 (2r1k3/2n5/6P1/1rQ3NK/B2Rp2B/2n5/b7/2b5 w - - 0 1)

Bottacchi, Antonio

2nd HM., Brisbane Courier, 1920

(First published on Sat Jun 5 1920)

2r1k3/2n5/6P1/1rQ3NK/B2Rp2B/2n5/b7/2b5

#2

7 + 8

56 The Problemist 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.gxf7#
  • Keys
    • 1.Sh7!
      • threat
        • 2.Sf6#
      • 1...Bd5
        • 2.Qe7#
      • 1...S3d5
        • 2.Qc6#
      • 1...S7d5
        • 2.Qxc8#
      • 1...Bg5
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE,P_PINP(G)::P(G),XB(b)
  • Actual
    • S(E);P_SPINQ(D)
    • Threat
      • S(E)
    • Vars
      • B(b);N_PINQ(D)::QAR1(D)
      • S(c);N_PINQ(D)::QAB(D)
      • S(f);N_PINQ(D)::QAR2(D),XR(g)
      • B(a);N_PINQ(D)::QAR1(D)
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