MESON Chess Problem Database

Problem Display
PID: 103945 (6n1/2pQnK2/1p2N1pp/4kpb1/2ppp1q1/3rrb2/8/8 w - - 0 1)

Janet, Frank

Staten Islander, 1914

6n1/2pQnK2/1p2N1pp/4kpb1/2ppp1q1/3rrb2/8/8

#2

3 + 16

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qxd4#
    • 1...Rb3
      • 2.Qxd4#
    • 1...Rc3
      • 2.Qxd4#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qxc7#
      • 1...Kxf4
        • 2.Qxc7#
      • 1...Qxf4
        • 2.Qe6#
      • 1...Bxf4
        • 2.Qe6#
      • 1...Sd5
        • 2.Sxg6#
      • 1...Sc8
        • 2.Sxg6#
      • 1...c5
        • 2.Qc7#
      • 1...c6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::QAB1(B),XP(e)
  • Actual
    • S(A);
    • Threat
      • QAB(B),XP(n)
    • Vars
      • K(h);S_FLIGHT,XS(A)::QAB(B),XP(n)
      • Q(g);SBLOCK,XS(A)::QAR1(B)
      • B(j);SBLOCK,XS(A)::QAR1(B)
      • S(o);N_GUARD::S(A),XP(l)
      • P(n);::QAB(B)
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