MESON Chess Problem Database

Problem Display
PID: 181149 (8/6p1/1K4b1/2p5/1N6/3N4/3p4/kn1Rn1Q1 w - - 0 1)

von Wardener, Friedrich Freiherr

Armeeblatt, 1904

8/6p1/1K4b1/2p5/1N6/3N4/3p4/kn1Rn1Q1

#2

5 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Qxg7#
    • 1...Be4
      • 2.Qxg7#
    • 1...Bf5
      • 2.Qxg7#
    • 1...Bh5
      • 2.Qxg7#
    • 1...Bf7
      • 2.Qxg7#
    • 1...Bh7
      • 2.Qxg7#
    • 1...Be8
      • 2.Qxg7#
    • 1...Sc2
      • 2.Rxb1#
    • 1...Sg2
      • 2.Rxb1#
    • 1...Sxd3
      • 2.Rxb1#
    • 1...Sf3
      • 2.Rxb1#
  • Tries
    • 1.Kxc5?
      • threat
        • 2.Qd4#
      • 1...Sc2
        • 2.Rxb1#
      • 1...Sf3
        • 2.Rxb1#
      • 1...Sxd3+!
    • 1.Kb7?
      • 1...Bxd3
        • 2.Qxg7#
      • 1...Sxd3
        • 2.Rxb1#
      • 1...cxb4
        • 2.Qa7#
      • 1...c4
        • 2.Qa7#
      • 1...Bf5
        • 2.Qxg7#
      • 1...Bh5
        • 2.Qxg7#
      • 1...Bf7
        • 2.Qxg7#
      • 1...Bh7
        • 2.Qxg7#
      • 1...Be8
        • 2.Qxg7#
      • 1...Sc2
        • 2.Rxb1#
      • 1...Sg2
        • 2.Rxb1#
      • 1...Sf3
        • 2.Rxb1#
      • 1...Be4+!
    • 1.Qxc5?
      • threat
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qa5#
        • 2.Qe5#
      • 1...Bxd3
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qe5#
      • 1...Bf7
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qe5#
      • 1...Be8
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qe5#
      • 1...Sc2
        • 2.Qc3#
      • 1...Sf3
        • 2.Qc3#
        • 2.Qa5#
      • 1...Sxd3!
  • Keys
    • 1.Kc7!
      • 1...Bxd3
        • 2.Qxg7#
      • 1...Sxd3
        • 2.Rxb1#
      • 1...cxb4
        • 2.Qa7#
      • 1...c4
        • 2.Qa7#
      • 1...Be4
        • 2.Qxg7#
      • 1...Bf5
        • 2.Qxg7#
      • 1...Bh5
        • 2.Qxg7#
      • 1...Bf7
        • 2.Qxg7#
      • 1...Bh7
        • 2.Qxg7#
      • 1...Be8
        • 2.Qxg7#
      • 1...Sc2
        • 2.Rxb1#
      • 1...Sg2
        • 2.Rxb1#
      • 1...Sf3
        • 2.Rxb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,XS(C)::QAB(B),XP(g)
    • B(f);OGATE::QAB(B),XP(g)
    • S(c);::R1(A),XS(b)
    • S(c);XS(C)::R1(A),XS(b)
  • Tries
    • Try
      • K(E);S_FLIGHT,XP(e)
      • Threat
        • QAB(B)
      • Vars
        • S(c);::R1(A),XS(b)
      • Refutation
        • S(c);CHECK,XS(C)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • B(f);OGATE,XS(C)::QAB(B),XP(g)
        • S(c);XS(C)::R1(A),XS(b)
        • P(e);OGATE,XS(D)::QAR(B)
        • P(e);OGATE::QAR(B)
        • B(f);OGATE::QAB(B),XP(g)
        • S(c);::R1(A),XS(b)
      • Refutation
        • B(f);CHECK
    • Try
      • Q(B);XP(e)
      • Threat
        • DUALS(4)
      • Vars
        • S(c);::QAB(B)
      • Refutation
        • S(c);XS(C)
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • B(f);OGATE,XS(C)::QAB(B),XP(g)
      • S(c);XS(C)::R1(A),XS(b)
      • P(e);OGATE,XS(D)::QAR(B)
      • P(e);OGATE::QAR(B)
      • B(f);OGATE::QAB(B),XP(g)
      • S(c);::R1(A),XS(b)
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).