MESON Chess Problem Database

Problem Display
PID: 10031 (2B5/2R5/5p2/R4PN1/3k1P2/p1p1n1p1/Pbp1n1P1/qbN1K1B1 w - - 0 1)

Stocchi, Ottavio

2nd Prize, Problem (Zagreb), 1961

2B5/2R5/5p2/R4PN1/3k1P2/p1p1n1p1/Pbp1n1P1/qbN1K1B1

#2

11 + 11

114 Springaren 1965
3174 The Two-move Chess Problem Tradition and Development 1966
6479 Problemschach (Sidler) 1968
273 Mat Plus 1994
5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Ba6?
      • threat
        • 2.Sxe2#
        • 2.Sb3#
        • 2.Rc4#
        • 2.Rd7#
      • 1...Qxa2
        • 2.Sxe2#
      • 1...Bxc1
        • 2.Rd7#
      • 1...Sxc1
        • 2.Rd7#
      • 1...Sxg1
        • 2.Sb3#
      • 1...Sxf4
        • 2.Sb3#
        • 2.Rc4#
      • 1...fxg5
        • 2.Rc4#
      • 1...Bxa2!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sf3#
        • 2.Se6#
        • 2.Ra4#
        • 2.Rd5#
      • 1...Qxa2
        • 2.Sf3#
      • 1...Bxa2
        • 2.Sf3#
      • 1...Bxc1
        • 2.Rd5#
      • 1...Sxc1
        • 2.Rd5#
      • 1...Sxg1
        • 2.Se6#
      • 1...Sxf4
        • 2.Sf3#
      • 1...fxg5
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(K);
      • Threat
        • DUALS(4)
      • Vars
        • Q(a);XP(D)::S(A),XS(e)
        • B(c);XS(A)::R(J)
        • S(e);XS(A)::R(J)
        • S(e);N_SPINS(h),XB(C)::S(A)
        • P(k);XS(I)::R1(J)
      • Refutation
        • B(b);P_PINS(A),XP(D)
  • Actual
    • B(K);
    • Threat
      • DUALS(4)
    • Vars
      • Q(a);XP(D)::S(I)
      • B(b);P_PINS(A),XP(D)::S(I)
      • B(c);XS(A)::R1(G)
      • S(e);XS(A)::R1(G)
      • S(e);N_SPINS(h),XB(C)::S(I)
      • S(e);XP(F)::S(I)
      • P(k);XS(I)::R(G)
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