MESON Chess Problem Database

Problem Display
PID: 145856 (KR4B1/p2N3p/3p4/4b1pQ/2N1kp2/2Pp1RP1/3P4/r6b w - - 0 1)

Murashev, Pavel Aleksandrovich

4th Prize, Die Schwalbe, 2012

KR4B1/p2N3p/3p4/4b1pQ/2N1kp2/2Pp1RP1/3P4/r6b

#2

10 + 10

23 Die Schwalbe 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf3
      • 2.Qxh7#
    • 1...Bd4
      • 2.Sxd6#
    • 1...Bf6
      • 2.Sxd6#
    • 1...Bg7
      • 2.Sxd6#
    • 1...Bh8
      • 2.Sxd6#
    • 1...d5
      • 2.Bxh7#
  • Tries
    • 1.Scxe5?
      • threat
        • 2.Qxh7#
      • 1...Kf5
        • 2.Qxh7#
      • 1...h6
        • 2.Qg6#
      • 1...dxe5!
    • 1.Sdxe5?
      • threat
        • 2.Qxh7#
      • 1...dxe5
        • 2.Sd6#
      • 1...h6
        • 2.Qg6#
      • 1...Kf5!
    • 1.Bd5+?
      • 1...Kf5
        • 2.Se3#
        • 2.g4#
      • 1...Kxd5!
    • 1.Rb5?
      • threat
        • 2.Bxh7#
      • 1...Kf5
        • 2.Sxd6#
      • 1...g4
        • 2.Bd5#
      • 1...h6
        • 2.Bh7#
      • 1...Bxc3!
    • 1.Re8?
      • threat
        • 2.Sxd6#
      • 1...Kf5
        • 2.Bxh7#
      • 1...g4
        • 2.Rxf4#
      • 1...d5
        • 2.Sd6#
        • 2.Bxh7#
        • 2.Rxe5#
      • 1...Ra6!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Sxd6#
      • 1...Kf5
        • 2.Se3#
      • 1...g4
        • 2.Scxe5#
      • 1...d5
        • 2.Sd6#
        • 2.Bxh7#

There are these versions: 148333

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(b);SBLOCK,XR(C)::QAB(F),XP(j)
    • B(f);N_GUARD::S(E),XP(h)
    • P(h);SBLOCK::B(J),XP(j)
  • Tries
    • Try
      • S(E);XB(f)
      • Threat
        • QAB(F),XP(j)
      • Vars
        • K(d);P_PINR(C),P_SPINP(e),S_FLIGHT::QAB(F),XP(j)
        • P(j);N_GUARD::QAB(F)
      • Refutation
        • P(h);XS(E)
    • Try
      • S(G);XB(f)
      • Threat
        • QAB(F),XP(j)
      • Vars
        • P(h);SBLOCK,XS(G)::S(E)
        • P(j);N_GUARD::QAB(F)
      • Refutation
        • K(d);P_PINR(C),P_SPINP(e),S_FLIGHT
    • Try
      • B(J);CHECK
      • Refutation
        • K(d);S_FLIGHT,XB(J)
    • Try
      • R(I);
      • Threat
        • B(J),XP(j)
      • Vars
        • K(d);P_PINR(C),P_SPINB(f),P_SPINP(e),S_FLIGHT::S(E),XP(h)
        • P(g);::B(J)
        • P(j);::B(J)
      • Refutation
        • B(f);XP(B)
    • Try
      • R(I);P_PINB(f)
      • Threat
        • S(E),XP(h)
      • Vars
        • K(d);N_SPINB(f),P_PINR(C),P_SPINP(e),S_FLIGHT::B(J),XP(j)
        • P(g);N_GUARD::R1(C),XP(e)
      • Refutation
        • R(a);
  • Actual
    • R(I);
    • Threat
      • R(I)+S(E),DCHECK,XP(h)
    • Vars
      • K(d);P_PINR(C),P_SPINP(e),S_FLIGHT::S(E)
      • P(g);::R(I)+S(E),XB(f)
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).