MESON Chess Problem Database

Problem Display
PID: 226922 (8/nK1Np2r/3k2PR/P1N5/4P2B/Q3P3/8/b1n5 w - - 0 1)

Neukomm, Gyula (Julius) R

Tidskrift for Schack, 1910

8/nK1Np2r/3k2PR/P1N5/4P2B/Q3P3/8/b1n5

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.gxh7#
  • Tries
    • 1.Sd3+?
      • 1...Ke6
        • 2.Sf8#
      • 1...Kxd7!
    • 1.Bg3+?
      • 1...Be5
        • 2.Bxe5#
      • 1...e5!
    • 1.Qxa1?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Se2
        • 2.Qe5#
      • 1...Sb3
        • 2.Qe5#
      • 1...Sd3
        • 2.Qd4#
      • 1...Sb5
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
        • 2.gxh7#
      • 1...Sc6!
    • 1.Qb3?
      • threat
        • 2.Qd5#
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Sxb3!
    • 1.Qd3+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sxd3!
    • 1.gxh7+?
      • 1...e6
        • 2.Rxe6#
      • 1...Bf6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sc4#
      • 1...e5+
        • 2.gxh7#
      • 1...e6+
        • 2.Scd7#
      • 1...Ke5
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD,P_PINS(J),S_CUTB(a)::R(H)+P(G),XR(f)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::S(J)
      • Refutation
        • K(c);P-FLIGHT,XS(J)
    • Try
      • B(D);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::B(D),XB(a)
      • Refutation
        • P(e);P_PINS(J),P_SPINP(e)
    • Try
      • Q(A);XB(a)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAB1(A)
        • S(b);::QAR2(A)
        • S(d);::QAB1(A)
      • Refutation
        • S(d);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);P_PINS(J)::QAR1(A),XP(e)
      • Refutation
        • S(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • S(b);XQ(A)
    • Try
      • P(G);CHECK,XR(f)
      • Vars
        • P(e);P_SPINP(e)::R1(H),XP(e)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • P(e);CHECK,N_GUARD,SBLOCK,S_CUTB(a)::R(H)+P(G),XR(f)
      • P(e);CHECK,SBLOCK::QAB(A)+S(F)
      • K(c);S_FLIGHT::S(J)
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).