MESON Chess Problem Database

Problem Display
PID: 258502 (N2rb3/8/p1P3RQ/pk2b3/4B3/1P2B3/N2R4/7K w - - 0 1)

Leontieva, Nadezhda Aleksandrovna

Sp. Prize, Veliky-65 JT, 2001-2002

N2rb3/8/p1P3RQ/pk2b3/4B3/1P2B3/N2R4/7K

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Bxd3#
    • 1...Rd5
      • 2.Rxd5#
    • 1...Rd6
      • 2.Sc7#
    • 1...Rxa8
      • 2.Bd3#
      • 2.Rd5#
    • 1...Rb8
      • 2.Bd3#
      • 2.Rd5#
    • 1...Rc8
      • 2.Bd3#
      • 2.Rd5#
    • 1...Ba1
      • 2.Sc7#
    • 1...Bb2
      • 2.Sc7#
    • 1...Bc3
      • 2.Sc7#
    • 1...Bf6
      • 2.Sc7#
    • 1...Bc7
      • 2.Sxc7#
    • 1...Bg7
      • 2.Sc7#
    • 1...Bh8
      • 2.Sc7#
    • 1...Bxc6
      • 2.Bxc6#
    • 1...Bd7
      • 2.Bd3#
      • 2.Rd5#
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qc5#
      • 1...Rd4
        • 2.Sc3#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Rd6
        • 2.Sc7#
      • 1...Bd4
        • 2.Bd3#
      • 1...Bd6
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(e);N_GUARD::B(F),XR(e)
    • R(e);N_GUARD::R(C),XR(e)
    • R(e);S_CUTB(c)::S(J)
    • B(c);N_GUARD::S(J)
    • B(c);N_GUARD::S(J),XB(c)
    • B(f);OGATE,P_PINB(F),XP(G)::B(F),XB(f)
  • Actual
    • Q(I);
    • Threat
      • QAR1(I)
    • Vars
      • R(e);S_CUTB(c)::S(B)
      • R(e);N_GUARD::R(C),XR(e)
      • R(e);S_CUTB(c)::S(J)
      • B(c);S_CUTR(e)::B(F)
      • B(c);S_CUTR(e)::QAB(I)
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