MESON Chess Problem Database

Problem Display
PID: 185220 (3Q4/2PBBb2/2P5/2pkn2p/2pp2Rr/2p2N2/K4N2/3R4 w - - 0 1)

Klemanic, Emil

1st HM., Sachova skladba, 2009

3Q4/2PBBb2/2P5/2pkn2p/2pp2Rr/2p2N2/K4N2/3R4

#2

10 + 9

3485 Sachova skladba 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd7
      • 2.Qxd7#
  • Tries
    • 1.Sxd4?
      • threat
        • 2.Be6#
      • 1...Sxg4
        • 2.Sf3#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...Sxd7
        • 2.Rg5#
      • 1...cxd4
        • 2.Rdxd4#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sg6
        • 2.Sf3#
      • 1...Be6
        • 2.Bxe6#
      • 1...Sd3!
    • 1.Bf5+?
      • 1...Sd7
        • 2.Qxd7#
      • 1...Kxc6!
    • 1.Bc8+?
      • 1...Sd7
        • 2.Qxd7#
      • 1...Kxc6!
    • 1.Be8+?
      • 1...Sd7
        • 2.Qxd7#
      • 1...Ke6!
    • 1.Re4?
      • threat
        • 2.Rxe5#
      • 1...Sxf3
        • 2.Be8#
      • 1...Sxc6
        • 2.Be6#
      • 1...Sxd7
        • 2.Qxd7#
      • 1...Sd3
        • 2.Be8#
      • 1...Sg4
        • 2.Be8#
      • 1...Sg6
        • 2.Be8#
      • 1...Rxe4!
    • 1.c8Q?
      • threat
        • 2.Be6#
      • 1...Sxd7
        • 2.Qcxd7#
        • 2.Qdxd7#
      • 1...Be6
        • 2.Bxe6#
      • 1...Sxf3!
    • 1.c8S?
      • threat
        • 2.Sb6#
      • 1...Sxd7
        • 2.Qxd7#
      • 1...Sxf3!
  • Keys
    • 1.Re1!
      • threat
        • 2.Rxe5#
      • 1...Sxf3
        • 2.Be8#
      • 1...Sxg4
        • 2.Be8#
      • 1...Sxc6
        • 2.Be6#
      • 1...Sxd7
        • 2.Qxd7#
      • 1...Sd3
        • 2.Be8#
      • 1...Sg6
        • 2.Be8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(g);OGATE,P_SPINS(g),XB(H)::QAR2(J),XS(g)
  • Tries
    • Try
      • S(D);XP(c)
      • Threat
        • QAR(J)+B(H),DCHECK
      • Vars
        • S(g);N_GUARD,XR(E)::R(A)+S(D)
        • S(g);XP(F)::R(A)+S(D),XS(g)
        • S(g);OGATEB,P_SPINS(g),XB(H)::R(E)
        • P(e);OGATE,P_SPINP(e),XS(D)::R1(A),XP(e)
        • S(g);N_GUARD::R(A)+S(D),XS(g)
        • S(g);N_GUARD::R(A)+S(D)
        • B(i);::QAR(J)+B(H),DCHECK,XB(i)
      • Refutation
        • S(g);
    • Try
      • B(H);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(J),XS(g)
      • Refutation
        • K(f);N_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • B(H);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(J),XS(g)
      • Refutation
        • K(f);N_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • B(H);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(J),XS(g)
      • Refutation
        • K(f);N_SPINP(c),S_FLIGHT
    • Try
      • R(E);
      • Threat
        • R1(E),XS(g)
      • Vars
        • S(g);N_GUARD,XS(D)::QAR(J)+B(H)
        • S(g);SBLOCK,XP(F)::QAR(J)+B(H),DCHECK
        • S(g);OGATE,P_SPINS(g),XB(H)::QAR2(J),XS(g)
        • S(g);N_GUARD,N_SPINP(c)::QAR(J)+B(H)
        • S(g);N_GUARD::QAR(J)+B(H)
      • Refutation
        • R(d);XR(E)
    • Try
      • P(G);
      • Threat
        • QAR(J)+B(H),DCHECK
      • Vars
        • B(i);::QAR(J)+B(H),DCHECK,XB(i)
      • Refutation
        • S(g);XS(D)
    • Try
      • P(G);
      • Threat
        • S(G)
      • Vars
        • S(g);OGATE,P_SPINS(g),XB(H)::QAR2(J),XS(g)
      • Refutation
        • S(g);XS(D)
  • Actual
    • R(A);N_PINP(c)
    • Threat
      • R1(A),XS(g)
    • Vars
      • S(g);N_GUARD,XS(D)::QAR(J)+B(H)
      • S(g);N_GUARD,XR(E)::QAR(J)+B(H)
      • S(g);SBLOCK,XP(F)::QAR(J)+B(H),DCHECK
      • S(g);OGATE,P_SPINS(g),XB(H)::QAR2(J),XS(g)
      • S(g);N_GUARD::QAR(J)+B(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).