MESON Chess Problem Database

Problem Display
PID: 203386 (n2Q4/B1p1p3/1r1p2K1/3BPp2/N1Pk4/3b2P1/3RR1N1/5r2 w - - 0 1)

Vesz, Tibor

Comm., Dutch East Indies Chess Association, 1924

n2Q4/B1p1p3/1r1p2K1/3BPp2/N1Pk4/3b2P1/3RR1N1/5r2

#2

11 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f4+
      • 2.Re4#
    • 1...dxe5+
      • 2.Be6#
  • Tries
    • 1.Se1?
      • threat
        • 2.Sc2#
        • 2.Rxd3#
      • 1...f4+
        • 2.Rxd3#
        • 2.Re4#
      • 1...dxe5+
        • 2.Be6#
      • 1...Rf3
        • 2.Sc2#
        • 2.Sxf3#
      • 1...Rxe1!
    • 1.Sf4?
      • threat
        • 2.Se6#
        • 2.Rxd3#
      • 1...dxe5+
        • 2.Se6#
        • 2.Be6#
      • 1...Rd1
        • 2.Se6#
      • 1...Rf3
        • 2.Se6#
      • 1...e6
        • 2.Sxe6#
        • 2.Rxd3#
      • 1...Rxf4!
    • 1.Re3?
      • threat
        • 2.Rdxd3#
      • 1...dxe5+
        • 2.Be6#
      • 1...Rd1!
    • 1.e6?
      • threat
        • 2.Qh8#
      • 1...f4+
        • 2.Re4#
      • 1...Rh1!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sc2#
      • 1...f4+
        • 2.Sf5#
      • 1...dxe5+
        • 2.Bc6#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Rc1
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(d);CHECK,N_GUARD::R1(B)
    • P(f);CHECK,OGATEB,XP(H)::QAR(K)+B(G)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);CHECK,OGATEB,XP(H)::QAR(K)+B(G)
      • Refutation
        • R(a);XS(C)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(C)
      • Refutation
        • R(a);XS(C)
    • Try
      • R(B);
      • Threat
        • R1(A),XB(b)
      • Vars
        • P(f);CHECK,OGATEB,XP(H)::QAR(K)+B(G)
      • Refutation
        • R(a);
    • Try
      • P(H);
      • Threat
        • QAB(K)
      • Vars
        • P(d);CHECK,N_GUARD::R1(B)
      • Refutation
        • R(a);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • P(d);CHECK,S_CUTR(a)::S(C)
      • P(f);CHECK,OGATEB,SBLOCK,XP(H)::QAR(K)+B(G)
      • K(c);N_SPINB(b),N_SPINR(e),OGATEB,S_FLIGHT,XP(H)::QAB(K)
      • R(a);N_GUARD::S(C),XP(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).