MESON Chess Problem Database

Problem Display
PID: 150657 (3R2B1/B2N3b/nr6/2r5/Np1kp1Qb/2R2P2/5PK1/8 w - - 0 1)

Adabashev, Mark Ivanovich

Die Schwalbe, 1935

3R2B1/B2N3b/nr6/2r5/Np1kp1Qb/2R2P2/5PK1/8

#2

10 + 8

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qxe4#
    • 1...Bxg8
      • 2.Qxe4#
  • Keys
    • 1.f4!
      • threat
        • 2.Qd1#
      • 1...Rxc3
        • 2.Sf6#
      • 1...e3
        • 2.f5#
      • 1...Rg5
        • 2.Se5#
      • 1...Rg6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(e);P_SPINR(g),S_CUTB(h)::QAR1(F),XP(c)
    • B(h);N_GUARD,XB(J)::QAR1(F),XP(c)
  • Actual
    • P(D);N_PINP(c)
    • Threat
      • QAR(F)
    • Vars
      • R(e);N_GUARD,P_SPINR(g),XR(C)::R(I)+S(H)
      • P(c);::QAR(F)+P(D)
      • R(e);N_GUARD,P_PINQ(F),P_SPINR(g),S_CUTB(d)::R(I)+S(H)
      • R(g);N_GUARD,P_PINQ(F),P_SPINR(e)::R(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).