MESON Chess Problem Database

Problem Display
PID: 114155 (4N3/1b2pB2/7b/n2R2P1/p3k3/r5P1/p4KP1/2R1N3 w - - 0 1)

Stocchi, Ottavio

L'Enigmistica Popolare, 1933

4N3/1b2pB2/7b/n2R2P1/p3k3/r5P1/p4KP1/2R1N3

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3+
      • 2.gxf3#
    • 1...Sc4
      • 2.Rxc4#
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sf6#
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...Rxf3+
        • 2.gxf3#
      • 1...Bxg5
        • 2.Sxg5#
      • 1...Bxd5
        • 2.Bg6#
      • 1...e5
        • 2.Sd6#
      • 1...e6
        • 2.Sf6#
      • 1...Rd3
        • 2.Re5#
      • 1...Sb3
        • 2.Re1#
      • 1...Sc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);CHECK,OGATE::P(D),XR(b)
    • S(e);N_GUARD::R(A),XS(e)
    • P(h);N_GUARD::S(I)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(b);CHECK,OGATE,XS(B)::P(D),XR(b)
      • B(f);XP(G)::S(B),XB(f)
      • B(g);SBLOCK,XR(F)::B(H)
      • P(h);N_GUARD::S(I)
      • R(b);SBLOCK::R1(F)
      • S(e);S_CUTR(b)::R(A)
      • S(e);N_GUARD::R(A),XS(e)
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