MESON Chess Problem Database

Problem Display
PID: 245003 (7B/4R3/2R2p2/1p1n1P2/1P1k1N2/Kp2N3/3pp3/8 w - - 0 1)

Armeni, Alberto

Scacchi e Scienze Applicate, 2010

7B/4R3/2R2p2/1p1n1P2/1P1k1N2/Kp2N3/3pp3/8

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Bxf6#
    • 1...Sxe3
      • 2.Bxf6#
    • 1...Sxb4
      • 2.Bxf6#
    • 1...Sb6
      • 2.Bxf6#
    • 1...Sc7
      • 2.Bxf6#
    • 1...b2
      • 2.Sc2#
  • Keys
    • 1.Rxf6!
      • threat
        • 2.Rd6#
      • 1...Kc3
        • 2.Rc6#
      • 1...Sxe3
        • 2.Rc6#
      • 1...Sxb4
        • 2.Rc6#
      • 1...Sxf6
        • 2.Bxf6#
      • 1...Sxe7
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(f);N_GUARD::B(H),XP(g)
    • S(f);N_GUARD,XS(B)::B(H),XP(g)
    • S(f);N_GUARD,XP(C)::B(H),XP(g)
    • P(c);N_GUARD::S(B)
  • Actual
    • R(F);XP(g)
    • Threat
      • B(H)+R(F)
    • Vars
      • K(d);S_FLIGHT::B(H)+R(F),DCHECK
      • S(f);N_GUARD,XS(B)::B(H)+R(F)
      • S(f);N_GUARD,XP(C)::B(H)+R(F)
      • S(f);OGATE,P_SPINS(f),XR(F)::B(H),XS(f)
      • S(f);N_GUARD,XR(G)::B(H)+R(F)
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