MESON Chess Problem Database

Problem Display
PID: 156036 (7Q/8/2pBB3/K3P1p1/1n1krq1R/6R1/N1p1p2b/n1N5 w - - 0 1)

Tucker, HJ

Nederlandse Bond van Probleemvrienden, 1932

7Q/8/2pBB3/K3P1p1/1n1krq1R/6R1/N1p1p2b/n1N5

#2

9 + 10

1577 Jaarboek 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5+
      • 2.Qxe5#
    • 1...Qf5
      • 2.Sxe2#
    • 1...Qf6
      • 2.Sxe2#
    • 1...Qf7
      • 2.Sxe2#
    • 1...Qf8
      • 2.Sxe2#
    • 1...Rxe5+
      • 2.Qxe5#
    • 1...Sb3+
      • 2.Sxb3#
    • 1...Sxa2
      • 2.Rd3#
    • 1...Sd3
      • 2.Rxd3#
    • 1...Sa6
      • 2.Rd3#
  • Keys
    • 1.Rc3!
      • threat
        • 2.Bc5#
      • 1...Rxe5+
        • 2.Qxe5#
      • 1...Sb3+
        • 2.Sxb3#
      • 1...Sxa2
        • 2.Rd3#
      • 1...Re3
        • 2.Rc4#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Qf6
        • 2.Sxe2#
      • 1...Qf8
        • 2.Sxe2#
      • 1...Sa6
        • 2.Rd3#
      • 1...c5
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(h);CHECK,OGATE,P_SPINQ(h),P_SPINR(g),XP(F)::QAB1(I),XQ(h)
    • Q(h);P_PINP(F),P_SPINR(g)::S(A),XP(c)
    • Q(h);P_SPINR(g)::S(A),XP(c)
    • R(g);CHECK,OGATE,P_SPINQ(h),P_SPINR(g),XP(F)::QAB1(I),XR(g)
    • S(a);CHECK,N_GUARD::S(A),XS(a)
    • S(e);N_GUARD,XS(B)::R1(C)
    • S(e);N_GUARD::R1(C),XS(e)
    • S(e);N_GUARD::R1(C)
  • Actual
    • R(C);
    • Threat
      • B(G)
    • Vars
      • R(g);CHECK,OGATE,P_SPINQ(h),P_SPINR(g),XP(F)::QAB1(I),XR(g)
      • S(a);CHECK,N_GUARD::S(A),XS(a)
      • S(e);N_GUARD,XS(B)::R1(C)
      • R(g);P_SPINQ(h),SBLOCK::R1(C)
      • S(e);N_GUARD::R1(C),XS(e)
      • Q(h);P_SPINR(g)::S(A),XP(c)
      • S(e);N_GUARD::R1(C)
      • P(j);::B(G),XP(j)
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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).