MESON Chess Problem Database

Problem Display
PID: 163676 (n7/p1r4Q/KP1Rp3/4Pb2/3BkbR1/P7/pNP3r1/1B4N1 w - - 0 1)

Riczu, Lajos

Novi Temi, 1973

n7/p1r4Q/KP1Rp3/4Pb2/3BkbR1/P7/pNP3r1/1B4N1

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rgxc2
      • 2.Qh1#
    • 1...Rcxc2
      • 2.Qb7#
    • 1...Rb7
      • 2.Qxb7#
    • 1...Bg6
      • 2.Qxg6#
  • Keys
    • 1.Sd3!
      • threat
        • 2.Rxf4#
      • 1...Rgxc2
        • 2.Sf2#
      • 1...Rxg4
        • 2.Sf2#
      • 1...Rcxc2
        • 2.Sc5#
      • 1...Rf2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(b);OGATEB,P_SPINR(b),XP(D)::QAB(L)
    • R(h);OGATE,P_SPINR(h),XP(D)::QAB(L)
    • R(h);OGATE::QAB(L),XR(h)
    • B(e);OGATEB::QAB(L),XB(e)
  • Actual
    • S(C);
    • Threat
      • R1(G),XB(d)
    • Vars
      • R(b);N_GUARD,XP(D)::S(C)
      • R(b);N_GUARD,N_SPINB(d),P_SPINB(e),XR(G)::S(C)
      • R(h);N_GUARD,XP(D)::S(C)
      • R(b);N_GUARD::S(C),XR(b)
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