MESON Chess Problem Database

Problem Display
PID: 9645 (8/3n4/6p1/2pQ4/2P2k2/5B1b/nBN3pP/6K1 w - - 0 1)

Blake, Percy Francis

1st Prize Set, Norwich Mercury, 1907

8/3n4/6p1/2pQ4/2P2k2/5B1b/nBN3pP/6K1

#2

7 + 7

15 British Chess Magazine 1907

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Bxc1#
    • 1...Sc3
      • 2.Bc1#
    • 1...Sb4
      • 2.Bc1#
    • 1...g5
      • 2.Qe4#
  • Keys
    • 1.Se1!
      • 1...Ke3
        • 2.Qg5#
      • 1...Bf5
        • 2.Qd2#
      • 1...Se5
        • 2.Qxe5#
      • 1...Bg4
        • 2.Sxg2#
      • 1...Be6
        • 2.Sxg2#
      • 1...Sc1
        • 2.Bxc1#
      • 1...Sc3
        • 2.Bc1#
      • 1...Sb4
        • 2.Bc1#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...g5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(B),XS(a)
    • S(a);N_GUARD::B(B)
    • P(f);SBLOCK::QAR1(G)
  • Actual
    • S(C);
    • Vars
      • K(d);S_FLIGHT::QAB(G)
      • B(c);SBLOCK::QAB(G)
      • S(g);N_GUARD::QAB1(G),XS(g)
      • B(c);N_GUARD::S(C),XP(b)
      • S(a);N_GUARD::B(B),XS(a)
      • S(a);N_GUARD::B(B)
      • S(g);N_GUARD::QAB1(G)
      • P(f);SBLOCK::QAR1(G)
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