MESON Chess Problem Database

Problem Display
PID: 165290 (6b1/8/2pr4/4kPP1/4P2N/2Pp1K2/BNp5/8 w - - 0 1)

Russ, Colin Albert Harry

British Chess Magazine, 2017

6b1/8/2pr4/4kPP1/4P2N/2Pp1K2/BNp5/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Sc4#
    • 1...Re6
      • 2.Sc4#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bd5
      • 2.Sxd3#
    • 1...Be6
      • 2.Sg6#
    • 1...Bh7
      • 2.Sc4#
  • Tries
    • 1.Be6?
      • threat
        • 2.Sc4#
        • 2.Sg6#
      • 1...Rxe6
        • 2.Sc4#
      • 1...Bxe6
        • 2.Sg6#
      • 1...Rd5
        • 2.Sc4#
      • 1...Rd7
        • 2.Sc4#
      • 1...Rd8
        • 2.Sc4#
      • 1...Bf7
        • 2.Sc4#
      • 1...Bh7
        • 2.Sc4#
      • 1...Rd4!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sxd3#
        • 2.Sc4#
      • 1...Rxd5
        • 2.Sc4#
      • 1...Bxd5
        • 2.Sxd3#
      • 1...cxd5
        • 2.Sxd3#
      • 1...Re6
        • 2.Sc4#
      • 1...Rf6
        • 2.Sc4#
      • 1...Rg6
        • 2.Sc4#
      • 1...Rh6
        • 2.Sc4#
      • 1...Rd7
        • 2.Sc4#
      • 1...Rd8
        • 2.Sc4#
      • 1...c1S
        • 2.Sc4#
      • 1...d2
        • 2.Sd3#
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • R(e);S_CUTB(f)::S(B)
    • B(f);N_GUARD::S(B),XB(f)
    • B(f);P_PINP(E),S_CUTR(e)::S(B),XP(b)
    • B(f);S_CUTR(e)::S(F)
    • B(f);N_GUARD::S(B)
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XB(A)::S(B)
        • B(f);XB(A)::S(F)
        • R(e);::S(B)
        • B(f);::S(B)
      • Refutation
        • R(e);
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • R(e);XB(A)::S(B)
      • B(f);P_PINP(E),XB(A)::S(B),XP(b)
      • P(d);XB(A)::S(B),XP(b)
      • R(e);::S(B)
      • R(e);P_PINP(G)::S(B)
      • P(a);::S(B)
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Developed and maintained by Brian Stephenson.
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