MESON Chess Problem Database

Problem Display
PID: 21101 (8/KN3R2/p3k3/5RP1/2P5/Bp6/8/1qnrr3 w - - 0 1)

Guidelli, Giorgio

2nd HM., Good Companions (May), 1916

8/KN3R2/p3k3/5RP1/2P5/Bp6/8/1qnrr3

#2

7 + 7

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5
      • 2.Re7#
    • 1...Rd5
      • 2.cxd5#
    • 1...Rd6
      • 2.Sc5#
    • 1...Rd7
      • 2.R7f6#
    • 1...Rd8
      • 2.Sxd8#
    • 1...Re5
      • 2.R5f6#
    • 1...Sd3
      • 2.Sd8#
  • Keys
    • 1.Bf8!
      • threat
        • 2.Sc5#
      • 1...Qxf5
        • 2.Re7#
      • 1...Rd5
        • 2.cxd5#
      • 1...Rd7
        • 2.R7f6#
      • 1...Re5
        • 2.R5f6#
      • 1...Sd3
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(a);SBLOCK,XR(C)::R1(G)
    • R(c);OGATE::P(B),XR(c)
    • R(c);SBLOCK::S(F)
    • R(c);P_PINS(F),SBLOCK::R1(G)
    • R(c);N_GUARD::S(F),XR(c)
    • R(d);SBLOCK::R1(C)
    • S(b);S_CUTR(c)::S(F)
  • Actual
    • B(A);
    • Threat
      • S(F)
    • Vars
      • Q(a);SBLOCK,XR(C)::R1(G)
      • R(c);OGATE::P(B),XR(c)
      • R(c);P_PINS(F),SBLOCK::R1(G)
      • R(d);SBLOCK::R1(C)
      • S(b);S_CUTR(c)::S(F)
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