MESON Chess Problem Database

Problem Display
PID: 149386 (r4R2/1N1p1p1N/2qBk1bb/1R1rp1p1/4P3/1Q3pK1/8/8 w - - 0 1)

del Favero, Marino

Il Due Mosse, 1954

r4R2/1N1p1p1N/2qBk1bb/1R1rp1p1/4P3/1Q3pK1/8/8

#2

8 + 11

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Qxd5#
    • 1...Qc2
      • 2.Qxd5#
    • 1...Qc3
      • 2.Qxd5#
    • 1...Qa6
      • 2.Qxd5#
    • 1...Qb6
      • 2.Qxd5#
    • 1...Qc7
      • 2.Qxd5#
    • 1...Qc8
      • 2.Qxd5#
    • 1...Ra1
      • 2.Re8#
    • 1...Ra2
      • 2.Re8#
    • 1...Ra3
      • 2.Re8#
    • 1...Ra4
      • 2.Re8#
    • 1...Ra5
      • 2.Re8#
    • 1...Ra6
      • 2.Re8#
    • 1...Ra7
      • 2.Re8#
    • 1...Re8
      • 2.Rxe8#
    • 1...f5
      • 2.Rf6#
    • 1...f6
      • 2.Rxf6#
  • Tries
    • 1.exd5+?
      • 1...Kf5
        • 2.Qxf3#
      • 1...Qxd5!
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Qf6#
      • 1...Bxh7
        • 2.Qxf7#
      • 1...Qc3
        • 2.exd5#
      • 1...Rd3
        • 2.Rxe5#
      • 1...Ra3
        • 2.Re8#
      • 1...Bf5
        • 2.Qxf5#
        • 2.exf5#
      • 1...Bg7
        • 2.Sxg5#
      • 1...f5
        • 2.Rf6#
      • 1...f6
        • 2.Rxf6#
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • Q(e);N_GUARD::QAB1(A),XR(b)
    • R(k);N_GUARD::R(H)
    • R(k);N_GUARD::R(H),XR(k)
    • P(j);OGATE::R1(H)
    • P(j);OGATE::R1(H),XP(j)
  • Tries
    • Try
      • P(C);CHECK,XR(b)
      • Vars
        • K(f);P_SPINP(j),S_FLIGHT::QAR2(A),XP(a)
      • Refutation
        • Q(e);P_SPINQ(e),XP(C)
  • Actual
    • Q(A);N_PINR(b),XP(a)
    • Threat
      • QAR1(A)
    • Vars
      • B(g);N_GUARD,XS(G)::QAB1(A),XP(j)
      • Q(e);N_GUARD,P_PINQ(A)::P(C),XR(b)
      • R(b);OGATE,P_PINQ(A)::R1(D),XP(c)
      • R(k);N_GUARD,P_PINQ(A)::R(H)
      • B(h);N_GUARD::S(G),XP(d)
      • P(j);OGATE::R1(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).