MESON Chess Problem Database

Problem Display
PID: 57601 (3b3R/4Bp2/1p2Qr1n/1R4rb/K2N3k/1p4pp/3pBP1N/2n1q3 w - - 0 1)

Neumann, Itzhak

8th HM., Gamage MT (Chess Life), 1957-1958

3b3R/4Bp2/1p2Qr1n/1R4rb/K2N3k/1p4pp/3pBP1N/2n1q3

#2

9 + 14

5828 My Selected Chess Problems (Neumann) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Sf3#
    • 1...Rgg6
      • 2.Rxh5#
    • 1...Rg7
      • 2.Rxh5#
    • 1...Rg8
      • 2.Rxh5#
    • 1...Sf5
      • 2.Sdf3#
  • Tries
    • 1.Qe5?
      • threat
        • 2.Qxg5#
      • 1...Rgf5
        • 2.Qxg3#
      • 1...Rg4
        • 2.Sf3#
        • 2.Qxh5#
      • 1...Rgg6
        • 2.Qxh5#
      • 1...Rg7
        • 2.Qxh5#
      • 1...Rg8
        • 2.Qxh5#
      • 1...Rff5
        • 2.Qxg3#
      • 1...Rfg6
        • 2.Qxg3#
      • 1...Sf5
        • 2.Sdf3#
      • 1...Rxe5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qxg5#
      • 1...Rxb5
        • 2.Qxg3#
      • 1...Rg4
        • 2.Sf3#
      • 1...Rc5
        • 2.Qxg3#
      • 1...Rd5
        • 2.Qxg3#
      • 1...Re5
        • 2.Qxg3#
      • 1...Rgf5
        • 2.Qxg3#
      • 1...Rgg6
        • 2.Rxh5#
      • 1...Rg7
        • 2.Rxh5#
      • 1...Rg8
        • 2.Rxh5#
      • 1...Rf4
        • 2.Qxg3#
      • 1...Rff5
        • 2.Qxg3#
      • 1...Rfg6
        • 2.Qxg3#
      • 1...Sf5
        • 2.Sdf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(h);P_PINS(E),P_SPINR(k),S_CUTB(i)::S(C)
    • R(h);OGATE,P_SPINR(k)::R1(F),XB(i)
    • S(l);P_SPINB(i),S_CUTR(k)::S(E)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB1(G),XR(h)
      • Vars
        • R(h);N_GUARD,P_SPINR(k)::QAB1(G),XP(e)
        • R(h);OGATE,P_SPINR(k)::QAR1(G),XB(i)
        • R(k);P_SPINR(h)::QAB1(G),XP(e)
        • S(l);P_SPINB(i),S_CUTR(k)::S(E)
      • Refutation
        • R(h);P_SPINR(k),XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G),XR(h)
    • Vars
      • R(h);N_GUARD,P_SPINR(k),XR(F)::QAB1(G),XP(e)
      • R(h);P_PINS(E),P_SPINR(k),SBLOCK,S_CUTB(i)::S(C)
      • R(h);N_GUARD,P_SPINR(k)::QAB1(G),XP(e)
      • R(h);OGATE,P_SPINR(k)::R1(F),XB(i)
      • R(k);P_PINS(E),P_SPINR(h)::QAB1(G),XP(e)
      • R(k);P_SPINR(h)::QAB1(G),XP(e)
      • S(l);P_SPINB(i),S_CUTR(k)::S(E)
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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).