MESON Chess Problem Database

Problem Display
PID: 241603 (1B2B3/R2b3r/1pkPN2p/1p3n2/1p2P2p/P1r2N1K/6pb/2R3q1 w - - 0 1)

Cristoffanini, Guido

Magyar Sakkvilag, 1928

1B2B3/R2b3r/1pkPN2p/1p3n2/1p2P2p/P1r2N1K/6pb/2R3q1

#2

10 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Sd8#
    • 1...Rc5
      • 2.Sd8#
    • 1...Rh8
      • 2.Bxd7#
    • 1...Se3
      • 2.Sd4#
    • 1...Sg3
      • 2.Se5#
    • 1...Sxd6
      • 2.Rc7#
    • 1...Se7
      • 2.Bxd7#
    • 1...Sg7
      • 2.Bxd7#
  • Tries
    • 1.Rxc3+?
      • 1...Qc5
        • 2.Sd8#
      • 1...bxc3!
  • Keys
    • 1.axb4!
      • threat
        • 2.Sd8#
      • 1...Sxd6
        • 2.Rc7#
      • 1...Se3
        • 2.Sd4#
      • 1...Sg3
        • 2.Se5#
      • 1...Sd4
        • 2.Rxc3#
      • 1...Se7
        • 2.Bxd7#
      • 1...Sg7
        • 2.Bxd7#

There are these versions: 241601

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(a);N_SPINR(d),SBLOCK::S(G)
    • R(d);N_PINS(C)::S(G)
    • R(m);N_GUARD::B(J),XB(l)
    • S(h);N_PINS(C),P_PINS(G)::S(C)
    • S(h);SBLOCK,XP(F)::R1(H)
    • S(h);S_CUTR(m)::B(J),XB(l)
  • Tries
    • Try
      • R(A);CHECK,N_SPINS(C),XR(d)
      • Vars
        • Q(a);P_SPINQ(a)::S(G)
      • Refutation
        • P(e);XR(A)
  • Actual
    • P(B);XP(e)
    • Threat
      • S(G)
    • Vars
      • S(h);SBLOCK,XP(F)::R1(H)
      • S(h);N_PINS(C),P_PINS(G)::S(C)
      • S(h);S_CUTQ(a)::R(A),XR(d)
      • S(h);S_CUTR(m)::B(J),XB(l)
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