MESON Chess Problem Database

Problem Display
PID: 233839 (q1nR4/7B/p4P2/2Pb2K1/2k1N3/B1N3R1/P2P3Q/b7 w - - 0 1)

Cristoffanini, Guido

Skakbladet, 1931

q1nR4/7B/p4P2/2Pb2K1/2k1N3/B1N3R1/P2P3Q/b7

#2

12 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qe2#
      • 2.d3#
    • 1...Be6
      • 2.Qe2#
      • 2.d3#
    • 1...Bb7
      • 2.Qe2#
      • 2.d3#
    • 1...Bf7
      • 2.Qe2#
      • 2.d3#
    • 1...Bg8
      • 2.Qe2#
      • 2.d3#
  • Tries
    • 1.Sd6+?
      • 1...Kd4
        • 2.Rd3#
      • 1...Sxd6!
    • 1.Qg1?
      • threat
        • 2.d3#
      • 1...Bxe4
        • 2.Rd4#
        • 2.Qd4#
      • 1...Bxc3!
    • 1.Qf2?
      • threat
        • 2.d3#
      • 1...Bxe4
        • 2.Rd4#
        • 2.Qd4#
      • 1...Bxc3!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Sd6#
      • 1...Kd3
        • 2.Sg3#
      • 1...Kd4
        • 2.Sf2#
      • 1...Bxe4
        • 2.Qe2#
      • 1...Sd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(b);P-FLIGHT::R1(F)
      • Refutation
        • S(f);XS(G)
    • Try
      • Q(C);
      • Threat
        • P(B)
      • Refutation
        • B(a);XS(E)
    • Try
      • Q(C);
      • Threat
        • P(B)
      • Refutation
        • B(a);XS(E)
  • Actual
    • R(F);
    • Threat
      • R(F)+S(G),DCHECK
    • Vars
      • K(b);P_SPINB(c),S_FLIGHT::B(K)+S(G)
      • K(b);P-FLIGHT,P_SPINB(c)::R(F)+S(G)
      • B(c);P_SPINB(c),XS(G)::QAB(C)
      • S(f);::R(F)+S(G),DCHECK,XS(f)
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