MESON Chess Problem Database

Problem Display
PID: 35818 (1B6/2n5/4r3/3R1Pn1/4k2q/1BP2Rpp/p2KP3/7Q w - - 0 1)

Valuska, Jan

Sp. HM., Slovensky Dennik, 1992

1B6/2n5/4r3/3R1Pn1/4k2q/1BP2Rpp/p2KP3/7Q

#2

9 + 8

3681 FIDE Album (1992-1994) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qf4+
      • 2.Re3#
    • 1...Re5
      • 2.Rd4#
    • 1...Sxf3+
      • 2.Qxf3#
    • 1...Sb5
      • 2.Re3#
      • 2.Rf4#
    • 1...Sxd5
      • 2.Bc2#
      • 2.Rf4#
    • 1...Sa6
      • 2.Re3#
      • 2.Rf4#
      • 2.Rd4#
    • 1...Sa8
      • 2.Re3#
      • 2.Rf4#
      • 2.Rd4#
    • 1...Se8
      • 2.Re3#
      • 2.Rf4#
      • 2.Rd4#
    • 1...a1B
      • 2.Qb1#
  • Tries
    • 1.Bxa2?
      • threat
        • 2.Qb1#
      • 1...Qf4+
        • 2.Re3#
      • 1...Sxf3+
        • 2.Qxf3#
      • 1...Rb6!
    • 1.Bxc7?
      • threat
        • 2.Re3#
        • 2.Rf4#
        • 2.Rd4#
      • 1...Qf4+
        • 2.Re3#
        • 2.Rxf4#
      • 1...Sxf3+
        • 2.Qxf3#
        • 2.exf3#
      • 1...Qh8
        • 2.Re3#
        • 2.Rf4#
      • 1...Re5
        • 2.Rd4#
        • 2.Rxe5#
      • 1...g2
        • 2.Re3#
        • 2.Rd4#
      • 1...Rd6!
    • 1.Rf1+?
      • 1...Sf3+
        • 2.Qxf3#
      • 1...g2!
    • 1.Rf2+?
      • 1...Sf3+
        • 2.Qxf3#
      • 1...g2!
    • 1.Rfd3+?
      • 1...Sf3+
        • 2.Qxf3#
      • 1...g2
        • 2.R3d4#
      • 1...Kf4!
    • 1.Rxg3+?
      • 1...Sf3+
        • 2.Qxf3#
      • 1...Kf4!
    • 1.c4?
      • threat
        • 2.Bc2#
      • 1...Qf4+
        • 2.Re3#
      • 1...Sxf3+
        • 2.Qxf3#
      • 1...Sxd5
        • 2.Rf4#
      • 1...a1S!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Re3#
      • 1...Qf4+
        • 2.Rxf4#
      • 1...Sxf3+
        • 2.Qxf3#
      • 1...Sxd5
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(e);CHECK,SBLOCK::QAB(A)+R(F),DCHECK
    • R(g);SBLOCK::R1(G)
    • S(f);CHECK,OGATE,P_SPINS(f),XR(F)::QAB1(A),XS(f)
    • P(a);N_GUARD::QAB(A)
  • Tries
    • Try
      • B(D);XP(a)
      • Threat
        • QAB(A)
      • Vars
        • Q(e);CHECK,SBLOCK::QAB(A)+R(F),DCHECK
        • S(f);CHECK,OGATE,P_SPINS(f),XR(F)::QAB1(A),XS(f)
      • Refutation
        • R(g);
    • Try
      • B(I);XS(h)
      • Threat
        • DUALS(3)
      • Refutation
        • R(g);P_PINR(G)
    • Try
      • R(F);CHECK
      • Vars
        • S(f);CHECK,N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • R(F);CHECK
      • Vars
        • S(f);CHECK,N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • R(F);CHECK
      • Vars
        • S(f);CHECK,N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
        • P(b);P_SPINP(b)::R1(F)
      • Refutation
        • K(d);P-FLIGHT,P_SPINS(h)
    • Try
      • R(F);CHECK,XP(b)
      • Vars
        • S(f);CHECK,N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
      • Refutation
        • K(d);P-FLIGHT,P_SPINS(h)
    • Try
      • P(E);
      • Threat
        • B(D)
      • Vars
        • Q(e);CHECK,SBLOCK::QAB(A)+R(F),DCHECK
        • S(f);CHECK,OGATE,P_SPINS(f),XR(F)::QAB1(A),XS(f)
        • S(h);XR(G)::QAB(A)+R(F),DCHECK
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Threat
      • R1(F)
    • Vars
      • Q(e);CHECK,N_GUARD::R1(F),XQ(e)
      • S(f);CHECK,OGATE,XR(F)::QAB1(A),XS(f)
      • S(h);SBLOCK,XR(G)::B(D)
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).