MESON Chess Problem Database

Problem Display
PID: 203268 (6N1/2p5/1pP1p2p/1P2k1bR/1PP1P3/3R3Q/p1pB1p2/rbK2B2 w - - 0 1)

Papp, Jeno

Simay-Molnar, Aladar

5th Prize, Williams MT, 1924

6N1/2p5/1pP1p2p/1P2k1bR/1PP1P3/3R3Q/p1pB1p2/rbK2B2

#2

12 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qxe6#
  • Tries
    • 1.Sxh6?
      • 1...Kxe4
        • 2.Qxe6#
      • 1...Kf6!
    • 1.Se7?
      • 1...Kxe4
        • 2.Qxe6#
      • 1...Kf6!
    • 1.Bxg5?
      • 1...Kxe4
        • 2.Qxe6#
      • 1...hxg5!
    • 1.Rd5+?
      • 1...Kxe4
        • 2.Bg2#
        • 2.Bd3#
        • 2.Qg2#
        • 2.Qh1#
        • 2.Qd3#
      • 1...exd5!
    • 1.Rxg5+?
      • 1...Kxe4
        • 2.Sf6#
        • 2.Bg2#
        • 2.Qg2#
        • 2.Qg4#
        • 2.Qxe6#
        • 2.Qh1#
        • 2.Qe3#
        • 2.Qf3#
        • 2.Qh4#
      • 1...hxg5!
    • 1.c5?
      • 1...Kxe4
        • 2.Qxe6#
      • 1...bxc5!
  • Keys
    • 1.Re3!
      • 1...Kd4
        • 2.Bc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.e5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(f);N_SPINB(g),P-FLIGHT,XP(H)::QAR2(E),XP(i)
  • Tries
    • Try
      • S(L);XP(j)
      • Vars
        • K(f);N_SPINB(g),P-FLIGHT,XP(H)::QAR2(E),XP(i)
      • Refutation
        • K(f);N_SPINB(g),S_FLIGHT
    • Try
      • S(L);
      • Vars
        • K(f);N_SPINB(g),P-FLIGHT,XP(H)::QAR2(E),XP(i)
      • Refutation
        • K(f);N_SPINB(g),S_FLIGHT
    • Try
      • B(C);N_SPINB(C),XB(g)
      • Vars
        • K(f);P-FLIGHT,XP(H)::QAR2(E),XP(i)
      • Refutation
        • P(j);P_SPINP(j),XB(C)
    • Try
      • R(D);CHECK
      • Refutation
        • P(i);XR(D)
    • Try
      • R(J);CHECK,N_SPINB(C),XB(g)
      • Refutation
        • P(j);XR(J)
    • Try
      • P(G);
      • Vars
        • K(f);N_SPINB(g),P-FLIGHT,XP(H)::QAR2(E),XP(i)
      • Refutation
        • P(h);XP(G)
  • Actual
    • R(D);N_SPINB(C)
    • Vars
      • K(f);N_SPINB(g),S_FLIGHT::B(C)
      • K(f);N_SPINB(g),S_FLIGHT::QAB1(E)
      • K(f);N_SPINB(g),OGATE,S_FLIGHT::P(H)
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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).