MESON Chess Problem Database

Problem Display
PID: 68409 (5n2/3NK2n/6p1/2pk4/1p1p1P2/3B3Q/4N2b/3R3b w - - 0 1)

Bolus, Andrew

2nd Prize, English Mechanic and World of Science, 1888

(First published on Fri Sep 7 1888)

5n2/3NK2n/6p1/2pk4/1p1p1P2/3B3Q/4N2b/3R3b

#2

7 + 9

187 The Chess Bouquet 1897
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Bg1
      • 2.Qxh1#
    • 1...Bg3
      • 2.Qxh1#
    • 1...Bxf4
      • 2.Qxh1#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sxd7
      • 2.Qe6#
      • 2.Qxd7#
  • Keys
    • 1.Bb5!
      • 1...Ke4
        • 2.Bc6#
      • 1...Bxf4
        • 2.Qxh1#
      • 1...Sxd7
        • 2.Qe6#
      • 1...Be4
        • 2.Sb6#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bg1
        • 2.Qxh1#
      • 1...Bg3
        • 2.Qxh1#
      • 1...Sg5
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Se6
        • 2.Qxe6#
      • 1...b3
        • 2.Sc3#
      • 1...d3
        • 2.Qxd3#
      • 1...c4
        • 2.Rxd4#
      • 1...g5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(D),XB(a)
    • B(b);OGATE::QAB(D),XB(a)
    • B(b);OGATE,XP(E)::QAB(D),XB(a)
    • S(i);N_GUARD::QAB1(D),XS(i)
  • Actual
    • B(C);P_PINP(d)
    • Vars
      • K(f);N_SPINP(d),S_FLIGHT::B(C)
      • B(b);OGATE,XP(E)::QAB(D),XB(a)
      • S(i);N_GUARD,XS(F)::QAB1(D)
      • B(a);SBLOCK::S(F)
      • B(a);N_GUARD::QAB(D),XB(a)
      • B(b);OGATE::QAB(D),XB(a)
      • S(h);N_GUARD::S(F)
      • S(h);N_GUARD::S(F),XS(h)
      • S(i);N_GUARD::QAB1(D),XS(i)
      • P(c);N_GUARD::S(B)
      • P(d);OGATEB::QAR2(D),XP(d)
      • P(e);N_GUARD::R1(A),XP(d)
      • P(g);N_GUARD::QAR2(D)
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