MESON Chess Problem Database

Problem Display
PID: 216182 (8/6B1/5N2/2PBk1p1/3p2P1/1n5P/1Qb4K/3N4 w - - 0 1)

Gold, Samuel

Chess Monthly, 1882

8/6B1/5N2/2PBk1p1/3p2P1/1n5P/1Qb4K/3N4

#2

9 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sh5#
    • 1...Sa1
      • 2.Qb8#
    • 1...Sc1
      • 2.Qb8#
    • 1...Sd2
      • 2.Qb8#
    • 1...Sa5
      • 2.Qb8#
    • 1...Sxc5
      • 2.Qb8#
  • Tries
    • 1.Kh1?
      • 1...Kf4
        • 2.Sh5#
      • 1...Bxd1
        • 2.Qh2#
      • 1...Sxc5
        • 2.Qb8#
      • 1...Bb1
        • 2.Qh2#
      • 1...Bd3
        • 2.Qh2#
      • 1...Bf5
        • 2.Qh2#
      • 1...Bg6
        • 2.Qh2#
      • 1...Bh7
        • 2.Qh2#
      • 1...Sa1
        • 2.Qb8#
      • 1...Sc1
        • 2.Qb8#
      • 1...Sd2
        • 2.Qb8#
      • 1...Sa5
        • 2.Qb8#
      • 1...Be4+!
    • 1.Se3?
      • threat
        • 2.Sh5#
      • 1...Sxc5
        • 2.Qb8#
      • 1...Kf4!
    • 1.Sd7+?
      • 1...Kf4
        • 2.Be5#
      • 1...Kxd5!
    • 1.Qxb3?
      • threat
        • 2.Sh5#
        • 2.Qg3#
        • 2.Qb8#
      • 1...Kf4
        • 2.Sh5#
        • 2.Qg3#
        • 2.Qb8#
      • 1...d3
        • 2.Sh5#
      • 1...Bd3
        • 2.Sh5#
        • 2.Qb8#
      • 1...Bxb3!
  • Keys
    • 1.Kg1!
      • 1...Kf4
        • 2.Sh5#
      • 1...Bxd1
        • 2.Qh2#
      • 1...Sxc5
        • 2.Qb8#
      • 1...Bb1
        • 2.Qh2#
      • 1...Bd3
        • 2.Qh2#
      • 1...Be4
        • 2.Qh2#
      • 1...Bf5
        • 2.Qh2#
      • 1...Bg6
        • 2.Qh2#
      • 1...Bh7
        • 2.Qh2#
      • 1...Sa1
        • 2.Qb8#
      • 1...Sc1
        • 2.Qb8#
      • 1...Sd2
        • 2.Qb8#
      • 1...Sa5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINP(c),S_FLIGHT::S(H)
    • S(b);OGATE::QAB(B)
    • S(b);OGATE,XP(F)::QAB(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::S(H)
        • B(a);OGATE,XS(A)::QAB(B)
        • S(b);OGATE,XP(F)::QAB(B)
        • B(a);OGATE::QAB(B)
        • S(b);OGATE::QAB(B)
      • Refutation
        • B(a);CHECK
    • Try
      • S(A);
      • Threat
        • B(I)+S(H)
      • Vars
        • S(b);OGATE,XP(F)::QAB(B)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • S(H);CHECK
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::B(I)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT,XB(G)
    • Try
      • Q(B);N_PINP(c),XS(b)
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::B(I)+S(H)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(d);N_SPINP(c),S_FLIGHT::S(H)
      • B(a);OGATE,XS(A)::QAB(B)
      • S(b);OGATE,XP(F)::QAB(B)
      • B(a);OGATE::QAB(B)
      • S(b);OGATE::QAB(B)
HTML5 logo

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).