MESON Chess Problem Database

Problem Display
PID: 187662 (1K6/3p4/5p2/PQN2p2/2rk1P2/r6R/6B1/8 w - - 0 1)

Traxler, Karel Peter

Delnicke listy, 1909

1K6/3p4/5p2/PQN2p2/2rk1P2/r6R/6B1/8

#2

7 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sb3#
      • 2.Rd3#
    • 1...Ra2
      • 2.Sb3#
      • 2.Rd3#
    • 1...Rb3
      • 2.Sxb3#
    • 1...Rd3
      • 2.Rxd3#
    • 1...Raa4
      • 2.Sb3#
      • 2.Rd3#
    • 1...Rxa5
      • 2.Sb3#
      • 2.Rd3#
    • 1...Rb4
      • 2.Qxb4#
    • 1...d5
      • 2.Se6#
    • 1...d6
      • 2.Se6#
  • Tries
    • 1.Qb2+?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Rac3
        • 2.Sb3#
      • 1...Rcc3!
  • Keys
    • 1.Qb3!
      • 1...Rxb3+
        • 2.Sxb3#
      • 1...Rb4+
        • 2.Qxb4#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Rxa5
        • 2.Qe3#
      • 1...Rxc5
        • 2.Rd3#
      • 1...Ra1
        • 2.Qe3#
      • 1...Ra2
        • 2.Qe3#
      • 1...Raa4
        • 2.Qe3#
      • 1...Rc1
        • 2.Qd5#
      • 1...Rc2
        • 2.Qd5#
      • 1...Rc3
        • 2.Qd5#
      • 1...Rca4
        • 2.Qd5#
      • 1...d5
        • 2.Se6#
      • 1...d6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD,P_PINQ(E)::S(F),XR(a)
    • R(a);N_GUARD::R1(B),XR(a)
    • R(b);OGATEB,P_PINQ(E)::QAR2(E),XR(b)
    • P(f);N_GUARD::S(F)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(E)
        • R(a);P_SPINR(a)::S(F)
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • Q(E);
    • Vars
      • R(a);CHECK,XQ(E)::S(F),XR(a)
      • R(b);CHECK,OGATEB::QAR2(E),XR(b)
      • K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(E)
      • R(a);N_GUARD,XP(D)::QAB1(E)
      • R(b);SBLOCK,XS(F)::R1(B)
      • R(a);N_GUARD::QAB1(E)
      • R(b);OGATE::QAR1(E)
      • P(f);N_GUARD::S(F)
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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).