MESON Chess Problem Database

Problem Display
PID: 133482 (3B1rnq/1pK1p1Q1/4k1P1/3N1pP1/n1PP1P2/8/1R2p3/4r3 w - - 0 1)

Ganapathi, Ramaswamy

The Problemist Supplement, 2009

3B1rnq/1pK1p1Q1/4k1P1/3N1pP1/n1PP1P2/8/1R2p3/4r3

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Qe5#
    • 1...Qh2
      • 2.Qe5#
    • 1...Qh3
      • 2.Qe5#
    • 1...Qh4
      • 2.Qe5#
    • 1...Qh5
      • 2.Qe5#
    • 1...Qh6
      • 2.Qe5#
    • 1...Qh7
      • 2.Qe5#
    • 1...Ra1
      • 2.Rxe2#
    • 1...Rb1
      • 2.Rxe2#
    • 1...Rc1
      • 2.Rxe2#
    • 1...Rd1
      • 2.Rxe2#
    • 1...Rf1
      • 2.Rxe2#
    • 1...Rg1
      • 2.Rxe2#
    • 1...Rh1
      • 2.Rxe2#
    • 1...Rf7
      • 2.Qxf7#
    • 1...Rxd8
      • 2.Qf7#
    • 1...Re8
      • 2.Qf7#
    • 1...Sc3
      • 2.Rb6#
    • 1...Sc5
      • 2.Rb6#
    • 1...Sb6
      • 2.Rxb6#
    • 1...Sf6
      • 2.Qxe7#
    • 1...Sh6
      • 2.Qxe7#
  • Tries
    • 1.Se3?
      • threat
        • 2.d5#
      • 1...Rxd8
        • 2.Qf7#
      • 1...Qh1
        • 2.Qe5#
      • 1...Sc3
        • 2.Rb6#
      • 1...Sb6
        • 2.Rxb6#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Rd1!
    • 1.Sb6?
      • threat
        • 2.d5#
      • 1...Rxd8
        • 2.Qf7#
      • 1...Sxb6
        • 2.Rxb6#
      • 1...Qh1
        • 2.Qe5#
      • 1...Rd1
        • 2.Rxe2#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Sc3!
    • 1.Sf6?
      • threat
        • 2.d5#
      • 1...Rxd8
        • 2.Qf7#
      • 1...Sxf6
        • 2.Qxe7#
      • 1...Sc3
        • 2.Rb6#
      • 1...Rd1
        • 2.Rxe2#
      • 1...Sb6
        • 2.Rxb6#
      • 1...Qh1!
    • 1.Sxe7?
      • threat
        • 2.d5#
      • 1...Rxd8
        • 2.Qf7#
      • 1...Sxe7
        • 2.Qxe7#
      • 1...Sc3
        • 2.Rb6#
      • 1...Qh1
        • 2.Qe5#
      • 1...Rd1
        • 2.Rxe2#
      • 1...Sb6
        • 2.Rxb6#
      • 1...Sf6!
    • 1.Rb3?
      • threat
        • 2.Re3#
      • 1...Sc3
        • 2.Rb6#
      • 1...Qh1
        • 2.Qe5#
      • 1...Qh3
        • 2.Qe5#
      • 1...Sc5
        • 2.Rb6#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Qxg7!
  • Keys
    • 1.Sc3!
      • threat
        • 2.d5#
      • 1...Rxd8
        • 2.Qf7#
      • 1...Sxc3
        • 2.Rb6#
      • 1...Qh1
        • 2.Qe5#
      • 1...Rd1
        • 2.Rxe2#
      • 1...Sb6
        • 2.Rxb6#
      • 1...Sf6
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 16
  • Sets
    • Q(j);N_GUARD::QAR1(I)
    • Q(j);N_GUARD,P_PINP(D)::QAR1(I)
    • R(a);N_GUARD::R(A),XP(b)
    • R(a);N_GUARD,P_PINP(B)::R(A),XP(b)
    • R(h);N_GUARD::QAB1(I),XR(h)
    • R(h);N_GUARD,XB(J)::QAB1(I)
    • R(h);N_GUARD::QAB1(I)
    • S(c);N_GUARD::R(A)
    • S(c);N_GUARD::R(A),XS(c)
    • S(i);N_GUARD::QAR1(I),XP(g)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(C)
      • Vars
        • R(h);N_GUARD,XB(J)::QAB1(I)
        • Q(j);N_GUARD::QAR1(I)
        • S(c);N_GUARD::R(A)
        • S(c);N_GUARD::R(A),XS(c)
        • S(i);N_GUARD::QAR1(I),XP(g)
      • Refutation
        • R(a);
    • Try
      • S(E);
      • Threat
        • P(C)
      • Vars
        • R(h);N_GUARD,XB(J)::QAB1(I)
        • S(c);OGATE,XS(E)::R(A),XS(c)
        • Q(j);N_GUARD::QAR1(I)
        • R(a);N_GUARD::R(A),XP(b)
        • S(i);N_GUARD::QAR1(I),XP(g)
      • Refutation
        • S(c);
    • Try
      • S(E);
      • Threat
        • P(C)
      • Vars
        • R(h);N_GUARD,XB(J)::QAB1(I)
        • S(i);N_GUARD,XS(E)::QAR1(I),XP(g)
        • S(c);N_GUARD::R(A)
        • R(a);N_GUARD::R(A),XP(b)
        • S(c);N_GUARD::R(A),XS(c)
      • Refutation
        • Q(j);
    • Try
      • S(E);XP(g)
      • Threat
        • P(C)
      • Vars
        • R(h);N_GUARD,XB(J)::QAB1(I)
        • S(i);OGATE,XS(E)::QAR1(I),XS(i)
        • S(c);N_GUARD::R(A)
        • Q(j);N_GUARD::QAR1(I)
        • R(a);N_GUARD::R(A),XP(b)
        • S(c);N_GUARD::R(A),XS(c)
      • Refutation
        • S(i);
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • S(c);N_GUARD::R(A)
        • Q(j);N_GUARD::QAR1(I)
        • S(i);N_GUARD::QAR1(I),XP(g)
      • Refutation
        • Q(j);XQ(I)
  • Actual
    • S(E);
    • Threat
      • P(C)
    • Vars
      • R(h);N_GUARD,XB(J)::QAB1(I)
      • S(c);N_GUARD,XS(E)::R(A)
      • Q(j);N_GUARD::QAR1(I)
      • R(a);N_GUARD::R(A),XP(b)
      • S(c);N_GUARD::R(A),XS(c)
      • S(i);N_GUARD::QAR1(I),XP(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).