MESON Chess Problem Database

Problem Display
PID: 175621 (B2R3B/2p1Q3/N1n1P1p1/3nq3/1p1Pk1P1/1P4p1/3bP1Np/3R3K w - - 0 1)

Barry, Henry William

Boston Sunday Post, 1900

B2R3B/2p1Q3/N1n1P1p1/3nq3/1p1Pk1P1/1P4p1/3bP1Np/3R3K

#2

13 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qf4
      • 2.Sc5#
    • 1...Qf5
      • 2.Sc5#
    • 1...Qg5
      • 2.Sc5#
    • 1...Qh5
      • 2.Sc5#
    • 1...Qxe6
      • 2.Sc5#
    • 1...Bc1
      • 2.Sc5#
    • 1...Be1
      • 2.Sc5#
    • 1...Bc3
      • 2.Sc5#
    • 1...Be3
      • 2.Sc5#
    • 1...Bf4
      • 2.Sc5#
    • 1...Bg5
      • 2.Sc5#
    • 1...Bh6
      • 2.Sc5#
    • 1...Sxd4
      • 2.Sc5#
  • Keys
    • 1.Qg5!
      • 1...Kxd4
        • 2.Qe3#
      • 1...Qxd4
        • 2.Qxg6#
      • 1...Qxh8
        • 2.Qxd5#
      • 1...Qxg5
        • 2.Sc5#
      • 1...Qxe6
        • 2.Sc5#
      • 1...Bxg5
        • 2.Sc5#
      • 1...Sxd4
        • 2.Sc5#
        • 2.Qxe5#
      • 1...Sxd8
        • 2.Qxe5#
      • 1...Qf4
        • 2.Sc5#
        • 2.Qxd5#
      • 1...Qd6
        • 2.Qxg6#
      • 1...Qf6
        • 2.Qxd5#
      • 1...Qg7
        • 2.Qxd5#
      • 1...Qf5
        • 2.Sc5#
      • 1...Bc1
        • 2.Sc5#
      • 1...Be1
        • 2.Sc5#
      • 1...Bc3
        • 2.Sc5#
      • 1...Be3
        • 2.Sc5#
      • 1...Bf4
        • 2.Sc5#
      • 1...Sc3
        • 2.Qxe5#
      • 1...Se3
        • 2.Qxe5#
      • 1...Sf4
        • 2.Qxe5#
      • 1...Sb6
        • 2.Qxe5#
      • 1...Sf6
        • 2.Qxe5#
      • 1...Sde7
        • 2.Qxe5#
      • 1...Sa5
        • 2.Qxe5#
      • 1...Sa7
        • 2.Qxe5#
      • 1...Sce7
        • 2.Qxe5#
      • 1...Sb8
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 4
  • Sets
    • Q(g);::S(H)
    • Q(g);P_SPINQ(g),XP(I)::S(H)
    • B(a);::S(H)
    • S(h);P_SPINS(f),SBLOCK,XP(F)::S(H)
  • Actual
    • Q(J);
    • Vars
      • K(e);P-FLIGHT,P_SPINB(a),P_SPINQ(g),P_SPINS(f),XP(F)::QAB1(J)
      • Q(g);N_GUARD,XP(F)::QAB(J),XP(i)
      • Q(g);OGATE,XB(M)::QAB1(J),XS(f)
      • Q(g);XQ(J)::S(H)
      • Q(g);XP(I)::S(H)
      • B(a);XQ(J)::S(H)
      • S(h);N_GUARD,P_SPINS(f),XR(L)::QAR1(J),XQ(g)
      • Q(g);N_GUARD::QAB(J),XP(i)
      • Q(g);OGATE::QAB1(J),XS(f)
      • Q(g);::S(H)
      • B(a);::S(H)
      • S(f);P_SPINS(h)::QAR1(J),XQ(g)
      • S(h);N_GUARD,P_SPINS(f)::QAR1(J),XQ(g)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).