MESON Chess Problem Database

Problem Display
PID: 120144 (8/3N4/4r3/8/2p1k1B1/2B1p3/2K1N3/8 w - - 0 1)

Elkhan, Alexander A

La Strategie, 1905

8/3N4/4r3/8/2p1k1B1/2B1p3/2K1N3/8

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sf6#
    • 1...Rf6
      • 2.Sxf6#
    • 1...Re7
      • 2.Sf6#
    • 1...Re8
      • 2.Sf6#
  • Keys
    • 1.Be5!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Bf3#
      • 1...Rxe5
        • 2.Sf6#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(d);N_GUARD::S(E)
    • R(d);N_GUARD::S(E),XR(d)
  • Actual
    • B(C);
    • Threat
      • S(B)
    • Vars
      • K(c);S_FLIGHT::B(D)
      • R(d);N_GUARD,SBLOCK,XB(C)::S(E)
      • P(b);::S(B),XP(b)
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