MESON Chess Problem Database

Problem Display
PID: 175110 (1K6/B4N2/8/3k4/P1p5/2p3PB/Nnr1P3/Q1n5 w - - 0 1)

Smutny, Jan

Sachove listy, 1902

1K6/B4N2/8/3k4/P1p5/2p3PB/Nnr1P3/Q1n5

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sb4#
    • 1...Sxa2
      • 2.Qh1#
    • 1...Sxe2
      • 2.Qh1#
    • 1...Sb3
      • 2.Qh1#
    • 1...Scd3
      • 2.Qh1#
  • Tries
    • 1.Bf5?
      • threat
        • 2.Sb4#
      • 1...Kc6
        • 2.Sb4#
      • 1...Sxa2
        • 2.Qh1#
      • 1...Scd3
        • 2.Qh1#
      • 1...Sbd3!
    • 1.e4+?
      • 1...Kc6
        • 2.Sb4#
      • 1...Kxe4!
  • Keys
    • 1.Qb1!
      • 1...Ke4
        • 2.Sxc3#
      • 1...Kc6
        • 2.Sb4#
      • 1...Rxe2
        • 2.Sb4#
      • 1...Sxa2
        • 2.Qh1#
      • 1...Sxe2
        • 2.Qh1#
      • 1...Sxa4
        • 2.Qb7#
      • 1...Rd2
        • 2.Sb4#
      • 1...Sb3
        • 2.Qh1#
      • 1...Scd3
        • 2.Qh1#
      • 1...Sd1
        • 2.Qb7#
      • 1...Sbd3
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::S(B)
    • S(a);OGATE,XS(B)::QAB(A)
    • S(a);OGATE,XP(C)::QAB(A)
    • S(a);OGATE::QAB(A)
  • Tries
    • Try
      • B(E);
      • Threat
        • S(B)
      • Vars
        • K(f);S_FLIGHT::S(B)
        • S(a);OGATE,XS(B)::QAB(A)
        • S(a);OGATE::QAB(A)
      • Refutation
        • S(b);
    • Try
      • P(C);CHECK
      • Vars
        • K(f);S_FLIGHT::S(B)
      • Refutation
        • K(f);S_FLIGHT,XP(C)
  • Actual
    • Q(A);
    • Vars
      • K(f);P_SPINR(c),S_FLIGHT::S(B),XP(d)
      • K(f);S_FLIGHT::S(B)
      • R(c);XP(C)::S(B)
      • S(a);OGATE,XS(B)::QAB(A)
      • S(a);OGATE,XP(C)::QAB(A)
      • S(b);OGATE,XP(F)::QAB(A)
      • R(c);::S(B)
      • S(a);OGATE::QAB(A)
      • S(b);OGATE::QAB(A)
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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).