MESON Chess Problem Database

Problem Display
PID: 234077 (4R2B/1P4r1/2N1n2N/Rr4P1/3pnk1K/6p1/4Q2P/7b w - - 0 1)

Caliman, Georghe

Buletin Problemistic, 1977

4R2B/1P4r1/2N1n2N/Rr4P1/3pnk1K/6p1/4Q2P/7b

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Rf5#
    • 1...Rb2
      • 2.Rf5#
    • 1...Rb3
      • 2.Rf5#
    • 1...Rb4
      • 2.Rf5#
    • 1...Rf5
      • 2.Rxf5#
    • 1...Rb6
      • 2.Rf5#
    • 1...Rbxb7
      • 2.Rf5#
    • 1...Sd2
      • 2.hxg3#
    • 1...Sf2
      • 2.hxg3#
    • 1...Sc3
      • 2.hxg3#
    • 1...S4c5
      • 2.hxg3#
    • 1...S4xg5
      • 2.hxg3#
    • 1...Sd6
      • 2.hxg3#
    • 1...Sf6
      • 2.hxg3#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sd3#
      • 1...Ke5
        • 2.b8Q#
        • 2.b8B#
      • 1...Rxb4
        • 2.Rf5#
      • 1...Sf2
        • 2.hxg3#
      • 1...S4c5
        • 2.hxg3#
      • 1...S6c5
        • 2.Sd5#
      • 1...d3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • R(f);OGATE::R1(D)
    • R(f);OGATE::R1(D),XR(f)
    • R(f);OGATE,XP(H)::R1(D)
    • S(d);N_GUARD::P(B),XP(b)
    • S(d);N_GUARD,XP(E)::P(B),XP(b)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(e);P_SPINR(f),P_SPINS(d),S_FLIGHT::P=Q
      • R(f);OGATE,XS(F)::R1(D)
      • S(d);N_GUARD::P(B),XP(b)
      • S(g);S_CUTR(f)::S(F)
      • P(c);::S(F),XP(c)
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