MESON Chess Problem Database

Problem Display
PID: 241608 (6B1/B4nQ1/5r2/1PR2pb1/2Pk1p1p/5P1P/3Kb3/3R4 w - - 0 1)

Cristoffanini, Guido

Magyar Sakkvilag, 1938

6B1/B4nQ1/5r2/1PR2pb1/2Pk1p1p/5P1P/3Kb3/3R4

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Rxf5#
    • 1...Bh6
      • 2.Qg1#
    • 1...Se5
      • 2.Rc6#
    • 1...Sd6
      • 2.Rxf5#
    • 1...Sh6
      • 2.Rxf5#
    • 1...Sd8
      • 2.Rxf5#
    • 1...Sh8
      • 2.Rxf5#
  • Tries
    • 1.Rc1?
      • threat
        • 2.Rd5#
        • 2.Rxf5#
      • 1...Bxc4
        • 2.R1xc4#
        • 2.Rxf5#
      • 1...Se5
        • 2.Rd5#
        • 2.Rc6#
      • 1...Bxf3!
    • 1.Qxf6+?
      • 1...Se5
        • 2.Rxe5#
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
        • 2.Qxe5#
        • 2.Qd6#
      • 1...Bxf6!
  • Keys
    • 1.Re1!
      • 1...Bxf3
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Bxc4
        • 2.Rxf5#
      • 1...Bd1
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Bf1
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Bd3
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Bh6
        • 2.Qg1#
      • 1...Se5
        • 2.Rc6#
      • 1...Sd6
        • 2.Rxf5#
      • 1...Sh6
        • 2.Rxf5#
      • 1...Sd8
        • 2.Rxf5#
      • 1...Sh8
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XP(E)::B(H)+R(G),XP(e)
    • B(f);OGATE::QAB(I)
    • S(h);N_SPINR(g),SBLOCK::B(H)+R(G)
    • S(h);::B(H)+R(G),XP(e)
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Refutation
        • B(a);XP(C)
    • Try
      • Q(I);CHECK,XR(g)
      • Refutation
        • B(f);XQ(I)
  • Actual
    • R(A);
    • Vars
      • B(a);SBLOCK,XP(E)::B(H)+R(G),XP(e)
      • B(f);OGATE::QAB(I)
      • S(h);N_SPINR(g),SBLOCK::B(H)+R(G)
      • S(h);::B(H)+R(G),XP(e)
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