MESON Chess Problem Database

Problem Display
PID: 189605 (2B5/1PK2p2/p3p1q1/r1p3Pn/R1N1k1p1/2p2b2/4N3/b2Q1RB1 w - - 0 1)

Hirsch, Hugo

Tidskrift for Schack, 1911

2B5/1PK2p2/p3p1q1/r1p3Pn/R1N1k1p1/2p2b2/4N3/b2Q1RB1

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qd5#
    • 1...Sf4
      • 2.Sg3#
    • 1...e5
      • 2.Sd6#
  • Tries
    • 1.Kd6?
      • threat
        • 2.Qc2#
      • 1...Kf5
        • 2.Qd5#
      • 1...Bxe2
        • 2.Qxe2#
      • 1...Sf4
        • 2.Sg3#
      • 1...c2
        • 2.Qxc2#
      • 1...e5+!
    • 1.Se3+?
      • 1...Ke5
        • 2.Qd6#
      • 1...c4
        • 2.Qd4#
      • 1...Rxa4!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Qe5#
        • 2.Qd5#
      • 1...cxd4!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qc2#
      • 1...Kf5+
        • 2.Qd5#
      • 1...e5+
        • 2.Sd6#
      • 1...Bxe2
        • 2.Qxe2#
      • 1...Sf4
        • 2.Sg3#
      • 1...c2
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINB(c),P_SPINP(j),S_FLIGHT::QAR2(A)
    • S(h);N_GUARD,SBLOCK::S(D)
    • P(j);SBLOCK::R(E)+S(F),DCHECK
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • QAB(A)
      • Vars
        • K(d);P_SPINB(c),P_SPINP(j),S_FLIGHT::QAR2(A)
        • B(c);OGATE,XS(D)::QAR2(A),XB(c)
        • S(h);N_GUARD,SBLOCK::S(D)
        • P(b);::QAB(A),XP(b)
      • Refutation
        • P(j);CHECK
    • Try
      • S(F);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
        • P(g);N_GUARD,P_SPINP(g)::QAR1(A)
      • Refutation
        • R(f);XR(E)
    • Try
      • Q(A);CHECK
      • Refutation
        • P(g);XQ(A)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • QAB(A)
    • Vars
      • K(d);CHECK,P_SPINB(c),P_SPINP(j),S_FLIGHT::QAR2(A)
      • P(j);CHECK,SBLOCK::R(E)+S(F),DCHECK
      • B(c);OGATE,XS(D)::QAR2(A),XB(c)
      • S(h);N_GUARD,SBLOCK::S(D)
      • P(b);::QAB(A),XP(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).