MESON Chess Problem Database

Problem Display
PID: 21096 (1b1Q4/pRr5/p3B3/kb4R1/8/Pp6/1N5K/8 w - - 0 1)

Guidelli, Giorgio

Good Companions (May), 1916

1b1Q4/pRr5/p3B3/kb4R1/8/Pp6/1N5K/8

#2

7 + 7

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc7?
      • 1...Bxc7+
        • 2.Qxc7#
      • 1...Kb6!
  • Keys
    • 1.Bf5!
      • 1...Bf1
        • 2.Bd3#
      • 1...Be2
        • 2.Bd3#
      • 1...Bd3
        • 2.Bxd3#
      • 1...Ba4
        • 2.Sc4#
      • 1...Bc4
        • 2.Qd2#
      • 1...Bc6
        • 2.Qd2#
      • 1...Bd7
        • 2.Bxd7#
      • 1...Be8
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);P_SPINR(F),XR(f)
      • Vars
        • B(g);CHECK,OGATE,XR(F)::QAB(G),XB(g)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
  • Actual
    • B(E);N_PINB(c)
    • Vars
      • B(c);OGATEB::R(D)+B(E)
      • B(c);OGATEB::R(D)+B(E),XB(c)
      • B(c);N_GUARD,SBLOCK::S(A)
      • B(c);::QAB(G)
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