MESON Chess Problem Database

Problem Display
PID: 182293 (Q1qr4/3p4/1p1P4/2kB2R1/8/N1PP3p/3n3r/K7 w - - 0 1)

Ferrari, Arturo

American Chess Bulletin, 1906

Q1qr4/3p4/1p1P4/2kB2R1/8/N1PP3p/3n3r/K7

#2

8 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Bh1#
        • 2.Ba2#
        • 2.Bg2#
        • 2.Bb3#
        • 2.Bf3#
        • 2.Bc4#
        • 2.Be4#
        • 2.Bc6#
        • 2.Be6#
        • 2.Bb7#
        • 2.Bf7#
        • 2.Bg8#
      • 1...Qa6+
        • 2.Ba2#
      • 1...Qxa8+
        • 2.Bxa8#
      • 1...Rh1+
        • 2.Bxh1#
      • 1...Sb3+
        • 2.Bxb3#
      • 1...Kxb5
        • 2.Bc4#
        • 2.Bc6#
      • 1...Qb7
        • 2.Bxb7#
      • 1...Qc6
        • 2.Bxc6#
      • 1...Re2
        • 2.Be4#
      • 1...Rf2
        • 2.Bf3#
      • 1...Rg2
        • 2.Bxg2#
      • 1...Re8
        • 2.Be6#
      • 1...Rf8
        • 2.Bf7#
      • 1...Rg8
        • 2.Bxg8#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sc4
        • 2.Bxc4#
      • 1...Se4
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • DUALS(12)
    • Vars
      • Q(g);CHECK::R(F)+B(E)
      • Q(g);CHECK,OGATE,XQ(H)::R(F)+B(E),XQ(g)
      • R(b);CHECK::R(F)+B(E),XR(b)
      • S(a);CHECK::R(F)+B(E),XS(a)
      • Q(g);::R(F)+B(E),XQ(g)
      • R(b);::R(F)+B(E)
      • R(b);::R(F)+B(E),XR(b)
      • R(h);::R(F)+B(E)
      • R(h);::R(F)+B(E),XR(h)
      • S(a);::R(F)+B(E),XS(a)
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