MESON Chess Problem Database

Problem Display
PID: 60791 (nR6/pr3N2/rPp1pQ2/p1kp4/P2R1B2/6N1/1P3K2/8 w - - 0 1)

Friberg, Eric

Schackvarlden, 1929

nR6/pr3N2/rPp1pQ2/p1kp4/P2R1B2/6N1/1P3K2/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Raxb6
      • 2.Bd6#
    • 1...Rbxb6
      • 2.Bd6#
    • 1...Rc7
      • 2.Bd6#
    • 1...Re7
      • 2.Bd6#
    • 1...Sxb6
      • 2.Bd6#
    • 1...axb6
      • 2.Bd6#
  • Keys
    • 1.Se5!
      • 1...Kxd4
        • 2.Be3#
      • 1...Kxb6
        • 2.Sd7#
      • 1...Kd6
        • 2.Se4#
      • 1...Raxb6
        • 2.Sd3#
      • 1...Rbxb6
        • 2.Sd3#
        • 2.Sd7#
      • 1...Rxb8
        • 2.Sd7#
      • 1...Sxb6
        • 2.Sd3#
      • 1...axb6
        • 2.Sd3#
      • 1...Rc7
        • 2.Sd3#
      • 1...Rd7
        • 2.Sd3#
        • 2.Sxd7#
      • 1...Re7
        • 2.Sd3#
      • 1...Rf7
        • 2.Sd3#
      • 1...Rg7
        • 2.Sd3#
      • 1...Rh7
        • 2.Sd3#
      • 1...Sc7
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • R(d);SBLOCK,XP(G)::B(F)
    • R(h);XP(G)::B(F)
    • R(h);::B(F)
    • S(i);SBLOCK,XP(G)::B(F)
    • P(g);SBLOCK,XP(G)::B(F)
  • Actual
    • S(I);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(E)::B(F)
      • K(b);P_SPINR(h),S_FLIGHT,XP(G)::S(I)
      • K(b);P_SPINP(c),S_FLIGHT::S(C)
      • R(d);SBLOCK,XP(G)::S(I)
      • R(h);N_GUARD,XR(J)::S(I)
      • S(i);SBLOCK,XP(G)::S(I)
      • P(g);SBLOCK,XP(G)::S(I)
      • R(h);::S(I)
      • S(i);S_CUTR(h)::S(I)
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