MESON Chess Problem Database

Problem Display
PID: 243697 (4Rbrn/2p3kp/2P4p/1PpB3p/2KN4/1P1Q1P2/1BP1P2r/n7 w - - 0 1)

Battaglia, Emilio

Norsk Sjakkblad, 1938

4Rbrn/2p3kp/2P4p/1PpB3p/2KN4/1P1Q1P2/1BP1P2r/n7

#2

12 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Sxe2#
    • 1...Sxc2
      • 2.Sxc2#
    • 1...Sxb3
      • 2.Sxb3#
    • 1...Sg6
      • 2.Sf5#
    • 1...Sf7
      • 2.Se6#
    • 1...cxd4
      • 2.Bxd4#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Se6#
      • 1...cxd4
        • 2.Bxd4#
      • 1...Rh4!
    • 1.Qxh7+?
      • 1...Kf6
        • 2.Se6#
      • 1...Kxh7!
  • Keys
    • 1.Se6+!
      • 1...Kf7
        • 2.Sxc7#
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(b);XP(C)::B(A)+S(H),XR(b)
    • S(a);XP(B)::B(A)+S(H),XS(a)
    • S(a);XP(D)::B(A)+S(H),XS(a)
    • S(k);SBLOCK::B(A)+S(H),DCHECK
    • P(c);OGATE,P_SPINP(c),XS(H)::B(A),XP(c)
  • Tries
    • Try
      • Q(E);
      • Threat
        • B(A)+S(H),DCHECK
      • Vars
        • P(c);OGATE,P_SPINP(c),XS(H)::B(A),XP(c)
      • Refutation
        • R(b);P_PINS(H)
    • Try
      • Q(E);CHECK,XP(h)
      • Vars
        • K(g);S_FLIGHT::B(A)+S(H)
      • Refutation
        • K(g);P-FLIGHT,XQ(E)
  • Actual
    • S(H);CHECK
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).