MESON Chess Problem Database

Problem Display
PID: 11300 (7q/1BP4n/1K2RbQ1/3b1r1p/3p1p1p/1N3kBP/R5N1/3n2r1 w - - 0 1)

Stocchi, Ottavio

Wiadomoscy Szachowy, 1937

7q/1BP4n/1K2RbQ1/3b1r1p/3p1p1p/1N3kBP/R5N1/3n2r1

#2

10 + 12

5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sxe1#
    • 1...Re5
      • 2.Sxd4#
    • 1...Be4
      • 2.Bxe4#
    • 1...Be5
      • 2.Bxd5#
    • 1...Bg7
      • 2.Sxh4#
    • 1...Sf2
      • 2.Rxf2#
    • 1...Sc3
      • 2.Rf2#
    • 1...Se3
      • 2.Rf2#
    • 1...fxg3
      • 2.Qxf5#
  • Keys
    • 1.Be1!
      • threat
        • 2.Sd2#
      • 1...Rxe1
        • 2.Sxe1#
      • 1...Rxg2
        • 2.Qxg2#
      • 1...Be5
        • 2.Bxd5#
      • 1...Re5
        • 2.Sxd4#
      • 1...Rg5
        • 2.Sxh4#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bg5
        • 2.Qxh5#
      • 1...Se3
        • 2.Rf2#
      • 1...Sg5
        • 2.Sxh4#

Anticipated by 151569(1933)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::S(B),XR(b)
    • R(h);S_CUTB(j)::S(C),XP(d)
    • B(g);OGATE::B(I),XB(g)
    • B(j);S_CUTR(h)::B(I),XB(g)
    • B(j);N_GUARD::S(B),XP(f)
    • S(a);N_GUARD::R1(A),XS(a)
    • S(a);N_GUARD::R1(A)
    • P(e);OGATEB,SBLOCK,XB(D)::QAR2(H),XR(h)
  • Actual
    • B(D);
    • Threat
      • S(C)
    • Vars
      • R(b);XB(D)::S(B),XR(b)
      • R(b);OGATE,XS(B)::QAB1(H),XR(b)
      • B(j);S_CUTR(h)::B(I),XB(g)
      • R(h);S_CUTB(j)::S(C),XP(d)
      • R(h);S_CUTB(j)::S(B),XP(f)
      • B(g);OGATE::B(I),XB(g)
      • B(j);S_CUTR(h)::QAB(H),XP(i)
      • S(a);N_GUARD::R1(A)
      • S(k);S_CUTB(j)::S(B),XP(f)
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Developed and maintained by Brian Stephenson.
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