MESON Chess Problem Database

Problem Display
PID: 189951 (8/8/6p1/1p1N2P1/3k1KR1/Q1p1n3/2Pq1bp1/3R2B1 w - - 0 1)

Richter, Emil

Pravo lidu, 1913

8/8/6p1/1p1N2P1/3k1KR1/Q1p1n3/2Pq1bp1/3R2B1

#2

8 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd2+?
      • 1...Kc4
        • 2.Sb6#
        • 2.Qb4#
        • 2.Qxc3#
      • 1...cxd2!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Sxe3#
      • 1...Bg3+
        • 2.Kxg3#
      • 1...Sxd1+
        • 2.Se3#
      • 1...Sf1+
        • 2.Kf3#
        • 2.Se3#
      • 1...Sxc2+
        • 2.Se3#
      • 1...Sc4+
        • 2.Kf3#
      • 1...Sxg4+
        • 2.Se3#
      • 1...Sxd5+
        • 2.Kf3#
      • 1...Sf5+
        • 2.Kf3#
      • 1...Kc4
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK,XQ(a)
      • Refutation
        • P(d);XR(A)
  • Actual
    • Q(D);
    • Threat
      • QAR(D)+S(G),XS(e)
    • Vars
      • B(b);CHECK,P_SPINS(e)::R(F)+K(E),XB(b)
      • S(e);CHECK,N_SPINQ(a),P_SPINB(b),XR(A)::QAR(D)+S(G)
      • S(e);CHECK,P_SPINB(b),XP(C)::QAR(D)+S(G)
      • S(e);CHECK,N_GUARD,P_SPINB(b),SBLOCK::R(F)+K(E)
      • S(e);CHECK,P_SPINB(b),XR(F)::QAR(D)+S(G)
      • S(e);CHECK,N_GUARD,P_SPINB(b),P_SPINS(e),XS(G)::R(F)+K(E)
      • S(e);CHECK,N_GUARD,P_SPINB(b)::R(F)+K(E)
      • K(f);N_SPINQ(a),P-FLIGHT::S(G)
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).