MESON Chess Problem Database

Problem Display
PID: 87782 (5B2/N1r5/2b1p3/3nk1P1/2P5/8/3RN3/1B4K1 w - - 0 1)

Sergeev, S

Problemista, 1966

5B2/N1r5/2b1p3/3nk1P1/2P5/8/3RN3/1B4K1

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Sxc6#
    • 1...Rd7
      • 2.Sxc6#
    • 1...Rf7
      • 2.Sxc6#
    • 1...Rg7
      • 2.Sxc6#
    • 1...Rh7
      • 2.Sxc6#
    • 1...Sc3
      • 2.Bd6#
    • 1...Se3
      • 2.Bd6#
    • 1...Sb4
      • 2.Bd6#
    • 1...Sf4
      • 2.Bd6#
    • 1...Sb6
      • 2.Bd6#
    • 1...Sf6
      • 2.Bd6#
    • 1...Se7
      • 2.Bg7#
  • Keys
    • 1.c5!
      • threat
        • 2.Bd6#
      • 1...Rd7
        • 2.Sxc6#
      • 1...Re7
        • 2.Sxc6#
      • 1...Se7
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(e);N_GUARD::S(G),XB(c)
    • R(e);N_GUARD,P_PINP(F)::S(G),XB(c)
    • S(a);::B(H)
    • S(a);N_GUARD,S_CUTR(e)::B(H)
  • Actual
    • P(E);
    • Threat
      • B(H)
    • Vars
      • R(e);N_GUARD::S(G),XB(c)
      • S(a);N_GUARD,S_CUTR(e)::B(H)
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