MESON Chess Problem Database

Problem Display
PID: 239806 (1bRR4/8/B1Pr4/1N3p2/p1kP4/K1p2q2/2b2N2/4B2Q w - - 0 1)

Cristoffanini, Guido

Nepszava, 1932

1bRR4/8/B1Pr4/1N3p2/p1kP4/K1p2q2/2b2N2/4B2Q

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6
      • 2.Sxc3#
      • 2.Sa7#
    • 1...Re6
      • 2.Sxc3#
      • 2.Sa7#
      • 2.Sc7#
    • 1...Rf6
      • 2.Sxc3#
      • 2.Sa7#
      • 2.Sc7#
    • 1...Rg6
      • 2.Sxc3#
      • 2.Sa7#
      • 2.Sc7#
    • 1...Rh6
      • 2.Sxc3#
      • 2.Sa7#
      • 2.Sc7#
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Sxc3#
        • 2.Sa7#
        • 2.Sc7#
      • 1...Qxc6
        • 2.Sxc3#
        • 2.Sa7#
        • 2.Rdxc6#
        • 2.Rcxc6#
        • 2.Qd5#
        • 2.Qxc6#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Ba7
        • 2.Sxc3#
        • 2.Sxa7#
        • 2.Sc7#
      • 1...Bc7
        • 2.Sxc3#
        • 2.Sa7#
        • 2.Sxc7#
      • 1...Bxd6+!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Sxc3#
        • 2.Sc7#
      • 1...Kd5
        • 2.Qg8#
      • 1...Qxc6
        • 2.Sxc3#
      • 1...Rxd4
        • 2.Qxd4#
      • 1...Rxc6
        • 2.Sxc3#
        • 2.Sa7#
      • 1...Qd5
        • 2.Sxd6#
      • 1...Rd5
        • 2.Sd6#
      • 1...Bc7
        • 2.Sxc3#
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(J);XR(g)
      • Threat
        • DUALS(3)
      • Vars
        • Q(c);OGATE::QAB1(B),XQ(c)
      • Refutation
        • B(h);CHECK,XR(J)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);P_SPINR(g),S_FLIGHT::QAB(B)
      • Q(c);P_SPINQ(c),XP(H)::B(G)+S(F),XP(b)
      • R(g);OGATE,XP(E)::QAR1(B),XR(g)
      • Q(c);SBLOCK::B(G)+S(F),DCHECK,XR(g)
      • R(g);SBLOCK::B(G)+S(F),DCHECK
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