MESON Chess Problem Database

Problem Display
PID: 183197 (1K3n2/3p4/3P1p2/1pN1kP1p/1B2B2P/p1P1N2P/r7/1b5Q w - - 0 1)

Kintzig, Robert

Pesti Naplo, 1907

1K3n2/3p4/3P1p2/1pN1kP1p/1B2B2P/p1P1N2P/r7/1b5Q

#2

11 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Sd3#
    • 1...Ra1
      • 2.Qh2#
    • 1...Rc2
      • 2.Sd3#
    • 1...Rh2
      • 2.Qxh2#
    • 1...Bc2
      • 2.Qh2#
    • 1...Bd3
      • 2.Sxd3#
  • Tries
    • 1.Sc4+?
      • 1...Kf4
        • 2.Qf3#
      • 1...bxc4!
    • 1.Sg4+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kxd6
        • 2.Sb3#
        • 2.Sd3#
        • 2.Sa4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sb7#
      • 1...hxg4!
    • 1.Sxd7+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Sxd7+!
    • 1.Bc2?
      • threat
        • 2.Sd3#
        • 2.Qh2#
      • 1...Kxd6
        • 2.Sd3#
      • 1...Rxc2
        • 2.Sd3#
      • 1...Bxc2
        • 2.Qh2#
      • 1...Se6
        • 2.Sd3#
      • 1...Sg6
        • 2.Sd3#
      • 1...Kf4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sd3#
        • 2.Qh2#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kxd6
        • 2.Sd3#
      • 1...Rxc2
        • 2.Sd3#
      • 1...Bxc2
        • 2.Qh2#
      • 1...Se6
        • 2.Sd3#
      • 1...Sg6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • K(e);S_FLIGHT,XP(J)::B(E)+S(H)
    • R(b);N_GUARD::QAB(A)
    • R(b);S_CUTB(a)::S(H)
    • R(b);N_GUARD::QAB(A),XR(b)
    • B(a);S_CUTR(b)::QAB(A)
    • B(a);N_GUARD::S(H),XB(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(A)
      • Refutation
        • P(d);XS(C)
    • Try
      • S(C);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(A)
      • Refutation
        • P(f);XS(C)
    • Try
      • S(H);CHECK,XP(h)
      • Vars
        • K(e);S_FLIGHT::QAR1(A)
      • Refutation
        • S(i);CHECK,XS(H)
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT,XP(J)::B(E)+S(H)
        • R(b);XB(F)::S(H)
        • B(a);XB(F)::QAB(A)
        • S(i);::S(H)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);S_FLIGHT::QAB(A)
      • K(e);S_FLIGHT,XP(J)::B(E)+S(H)
      • R(b);XS(C)::S(H)
      • B(a);XS(C)::QAB(A)
      • S(i);::S(H)
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).