MESON Chess Problem Database

Problem Display
PID: 210132 (8/Q2p4/3P4/1p1Kp3/1p1NP3/1R6/b2p4/k1nRn3 w - - 0 1)

Palatz, Franz Ferdinand Ludwig

Deutsche Schachblatter, 1927

8/Q2p4/3P4/1p1Kp3/1p1NP3/1R6/b2p4/k1nRn3

#2

7 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sxc2#
    • 1...Sg2
      • 2.Sc2#
    • 1...Sd3
      • 2.Sc2#
    • 1...Sf3
      • 2.Sc2#
    • 1...exd4
      • 2.Qxd4#
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qb2#
      • 1...Sd3
        • 2.Sc2#
      • 1...bxa3!
    • 1.Qa5?
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sg2
        • 2.Sc2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sf3
        • 2.Sc2#
      • 1...exd4!
    • 1.Qa6?
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sg2
        • 2.Sc2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sf3
        • 2.Sc2#
      • 1...exd4!
    • 1.Qa8?
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sg2
        • 2.Sc2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sf3
        • 2.Sc2#
      • 1...exd4!
  • Keys
    • 1.Rxd2!
      • 1...Sxb3
        • 2.Qxa2#
      • 1...exd4
        • 2.Qxd4#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Se2
        • 2.Rxa2#
        • 2.Qxa2#
      • 1...Scd3
        • 2.Rxa2#
        • 2.Qxa2#
      • 1...Sg2
        • 2.Sc2#
      • 1...Sed3
        • 2.Sc2#
      • 1...Sf3
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::S(C),XS(c)
    • S(c);N_GUARD::S(C)
    • P(h);OGATE,XS(C)::QAB(G),XP(h)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • S(c);N_GUARD::S(C)
      • Refutation
        • P(f);N_SPINB(d),XQ(G)
    • Try
      • Q(G);
      • Vars
        • S(c);N_GUARD::S(C),XS(c)
        • S(c);N_GUARD::S(C)
      • Refutation
        • P(h);XS(C)
    • Try
      • Q(G);
      • Vars
        • S(c);N_GUARD::S(C),XS(c)
        • S(c);N_GUARD::S(C)
      • Refutation
        • P(h);XS(C)
    • Try
      • Q(G);
      • Vars
        • S(c);N_GUARD::S(C),XS(c)
        • S(c);N_GUARD::S(C)
      • Refutation
        • P(h);XS(C)
  • Actual
    • R(A);N_PINS(b),XP(e)
    • Vars
      • S(b);N_GUARD,XR(B)::QAR1(G),XB(d)
      • P(h);OGATE,XS(C)::QAB(G),XP(h)
      • S(c);N_GUARD::S(C),XS(c)
      • S(c);N_GUARD::S(C)
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).