MESON Chess Problem Database

Problem Display
PID: 114197 (KbB3b1/n1r1p3/p6R/r1N1kp2/4P2R/8/1N6/3Q4 w - - 0 1)

Stocchi, Ottavio

Skakbladet, 1952

KbB3b1/n1r1p3/p6R/r1N1kp2/4P2R/8/1N6/3Q4

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Sd7#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Rxc8
      • 2.Sd7#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bd5+
      • 2.Qxd5#
    • 1...Be6
      • 2.Rxe6#
    • 1...Bh7
      • 2.Sc4#
      • 2.Re6#
      • 2.Qd5#
    • 1...fxe4
      • 2.Rxe4#
    • 1...f4
      • 2.R4h5#
    • 1...e6
      • 2.Sc4#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qd4#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...fxe4
        • 2.R4h5#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Ra4
        • 2.Qd5#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Rd7
        • 2.Sc4#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sc6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • R(f);N_GUARD::S(E)
    • R(f);N_GUARD::S(E),XR(f)
    • R(f);N_GUARD,XB(H)::S(E)
    • B(i);N_GUARD::S(B),XB(i)
    • B(i);CHECK,N_GUARD::QAR1(A),XB(i)
    • B(i);N_GUARD::R1(F),XB(i)
    • P(c);OGATE,XP(C)::R1(D),XP(c)
    • P(c);OGATEB,SBLOCK::R(D)
    • P(g);S_CUTB(i)::S(B)
  • Actual
    • S(E);
    • Threat
      • QAB1(A)
    • Vars
      • B(i);OGATE,XS(E)::R1(F),XB(i)
      • P(c);OGATEB,SBLOCK,XP(C)::R(D)
      • R(a);N_GUARD::QAR1(A),XR(a)
      • R(a);N_GUARD::QAR1(A)
      • R(f);N_GUARD::S(B),XR(f)
      • R(f);N_GUARD::S(B)
      • S(e);S_CUTR(a)::QAR1(A)
      • S(e);S_CUTR(f)::S(B)
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