MESON Chess Problem Database

Problem Display
PID: 162533 (K1Qn3n/6pq/5R2/3pp3/pR1Bkb2/r2rN2p/4P3/5N1b w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2015

K1Qn3n/6pq/5R2/3pp3/pR1Bkb2/r2rN2p/4P3/5N1b

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Qxf5#
    • 1...Qg8
      • 2.Qf5#
    • 1...Qh4
      • 2.Qf5#
    • 1...Qh6
      • 2.Qf5#
    • 1...Rd2
      • 2.Sxd2#
    • 1...Rb3
      • 2.Sd2#
    • 1...Rc3
      • 2.Sd2#
    • 1...Rxe3
      • 2.Sd2#
    • 1...Bxe3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bg5
      • 2.Sg3#
    • 1...Bh6
      • 2.Sg3#
    • 1...Sg6
      • 2.Qf5#
  • Tries
    • 1.Rxf4+?
      • 1...Kxf4
        • 2.Qg4#
      • 1...exf4!
    • 1.Qg4?
      • threat
        • 2.Sg3#
      • 1...Rxe3
        • 2.Sd2#
      • 1...exd4
        • 2.Qxf4#
      • 1...Qh4
        • 2.Qf5#
      • 1...Rxd4!
    • 1.Qe6?
      • threat
        • 2.Qxd5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Bxe3
        • 2.Sg3#
        • 2.Qxe5#
      • 1...Qg8
        • 2.Qf5#
      • 1...Sxe6!
    • 1.Qc2?
      • threat
        • 2.Sd2#
      • 1...Bxe3
        • 2.Sg3#
      • 1...exd4!
    • 1.Qc5?
      • threat
        • 2.Qxd5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Qg8!
    • 1.Qxd8?
      • threat
        • 2.Qxd5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Qg8!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qxd5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Qg8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • Q(k);N_GUARD::QAB1(H),XQ(k)
    • Q(k);N_GUARD::QAB1(H)
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);N_GUARD::S(A)
    • R(c);N_GUARD,XS(C)::S(A)
    • B(g);N_GUARD,XS(C)::S(A)
    • B(g);N_GUARD::S(A),XB(g)
    • B(g);N_GUARD::S(A)
    • S(m);S_CUTQ(k)::QAB1(H)
  • Tries
    • Try
      • R(F);CHECK,XB(g)
      • Vars
        • K(f);P-FLIGHT,XR(F)::QAR1(H)
      • Refutation
        • P(i);XR(F)
    • Try
      • Q(H);P_PINB(g)
      • Threat
        • S(A)
      • Vars
        • R(c);N_GUARD,XS(C)::S(A)
        • P(i);N_GUARD,P_SPINP(i),XB(E)::QAR1(H),XB(g)
        • Q(k);N_GUARD::QAB1(H)
      • Refutation
        • R(c);P_SPINR(c),XB(E)
    • Try
      • Q(H);P_PINP(i)
      • Threat
        • QAB1(H),XP(h)
      • Vars
        • R(c);N_GUARD,XS(C)::S(A)
        • Q(k);N_GUARD::QAB1(H)
      • Refutation
        • S(l);N_SPINP(i),XQ(H)
    • Try
      • Q(H);P_PINR(c)
      • Threat
        • S(A)
      • Vars
        • B(g);N_GUARD,XS(C)::S(A)
      • Refutation
        • P(i);P_SPINP(i),XB(E)
    • Try
      • Q(H);
      • Threat
        • QAB1(H),XP(h)
      • Vars
        • R(c);N_GUARD,XS(C)::S(A)
        • B(g);N_GUARD,XS(C)::S(A)
      • Refutation
        • Q(k);
    • Try
      • Q(H);XS(l)
      • Threat
        • QAB1(H),XP(h)
      • Vars
        • R(c);N_GUARD,XS(C)::S(A)
        • B(g);N_GUARD,XS(C)::S(A)
      • Refutation
        • Q(k);P_PINQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H),XP(h)
    • Vars
      • R(c);N_GUARD,XS(C)::S(A)
      • B(g);N_GUARD,XS(C)::S(A)
      • Q(k);N_GUARD::QAB1(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).