MESON Chess Problem Database

Problem Display
PID: 189747 (8/B7/B4R2/7b/4k2K/pp6/p1P2P2/1Q6 w - - 0 1)

Kintzig, Robert

4th Prize, Budapesti Sakkor, 1912

8/B7/B4R2/7b/4k2K/pp6/p1P2P2/1Q6

#2

7 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Bb7#
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...bxc2
        • 2.Qd4#
      • 1...Bf7
        • 2.Qd4#
      • 1...Be8
        • 2.Qd4#
      • 1...b2!
    • 1.Qe1+?
      • 1...Kd5
        • 2.Qe6#
        • 2.c4#
      • 1...Be2!
    • 1.Qb2?
      • threat
        • 2.Bb7#
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...bxc2
        • 2.Qd4#
      • 1...a1Q
        • 2.Bb7#
      • 1...a1B
        • 2.Bb7#
      • 1...Bf7
        • 2.Qd4#
      • 1...Be8
        • 2.Qd4#
      • 1...axb2!
  • Keys
    • 1.f4!
      • threat
        • 2.Bb7#
      • 1...Kf3
        • 2.Qh1#
      • 1...Kd5
        • 2.c4#
      • 1...bxc2
        • 2.Qb7#
      • 1...Bf7
        • 2.Qh1#
      • 1...Be8
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::QAR1(A)
        • P(c);XP(B)::QAR1(A)
        • B(e);::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Refutation
        • B(e);P_SPINB(e)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::QAR1(A)
        • P(c);XP(B)::QAR1(A)
        • P(a);::B(E)
        • B(e);::QAR1(A)
      • Refutation
        • P(b);XQ(A)
  • Actual
    • P(C);
    • Threat
      • B(E)
    • Vars
      • K(d);S_FLIGHT::QAB(A)
      • K(d);S_FLIGHT::P(B)
      • P(c);OGATE,P_SPINP(c),XP(B)::QAB(A)
      • B(e);N_GUARD::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).