MESON Chess Problem Database

Problem Display
PID: 180207 (3R4/3N2Q1/3p4/2p2rN1/B1k5/2P2nR1/4pP2/K3B3 w - - 0 1)

Schlechter, Carl

Vasarnapi Ujsag, 1917

3R4/3N2Q1/3p4/2p2rN1/B1k5/2P2nR1/4pP2/K3B3

#2

10 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sb6#
    • 1...Sxe1
      • 2.Sb6#
    • 1...Sg1
      • 2.Sb6#
    • 1...Sd2
      • 2.Sb6#
    • 1...Sh2
      • 2.Sb6#
    • 1...Sd4
      • 2.Sb6#
    • 1...Sh4
      • 2.Sb6#
    • 1...Se5
      • 2.Sb6#
    • 1...Sxg5
      • 2.Sb6#
  • Tries
    • 1.Rxf3?
      • threat
        • 2.Sb6#
      • 1...Kd5
        • 2.Sb6#
      • 1...Rxf3!
    • 1.Qd4+?
      • 1...Sxd4
        • 2.Sb6#
      • 1...cxd4!
  • Keys
    • 1.Qg6!
      • 1...Kd3
        • 2.Se5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Rxg5
        • 2.Sb6#
      • 1...Sxe1
        • 2.Sb6#
      • 1...Sxg5
        • 2.Sb6#
      • 1...Rf4
        • 2.Sb6#
      • 1...Rd5
        • 2.Sb6#
      • 1...Re5
        • 2.Sb6#
      • 1...Rf6
        • 2.Sb6#
      • 1...Rf7
        • 2.Sb6#
      • 1...Rf8
        • 2.Sb6#
      • 1...Sg1
        • 2.Sb6#
      • 1...Sd2
        • 2.Sb6#
      • 1...Sh2
        • 2.Sb6#
      • 1...Sd4
        • 2.Sb6#
      • 1...Sh4
        • 2.Sb6#
      • 1...Se5
        • 2.Sb6#
      • 1...d5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(H)
    • S(b);XB(B)::S(H)
    • S(b);::S(H)
    • S(b);XS(G)::S(H)
  • Tries
    • Try
      • R(E);XS(b)
      • Threat
        • S(H)
      • Vars
        • K(c);S_FLIGHT::S(H)
      • Refutation
        • R(e);XR(E)
    • Try
      • Q(I);CHECK
      • Vars
        • S(b);XQ(I)::S(H)
      • Refutation
        • P(d);XQ(I)
  • Actual
    • Q(I);
    • Vars
      • K(c);P_SPINR(e),P_SPINS(b),S_FLIGHT::S(H)
      • K(c);S_FLIGHT::QAB1(I)
      • R(e);XS(G)::S(H)
      • S(b);XB(B)::S(H)
      • S(b);XS(G)::S(H)
      • R(e);::S(H)
      • S(b);::S(H)
      • P(f);OGATE,SBLOCK::QAB(I)
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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).