MESON Chess Problem Database

Problem Display
PID: 47954 (1K6/2p4R/B3Qp2/8/1P1kNP2/7r/1p1p1r2/N1qn2B1 w - - 0 1)

Manolescu, Mircea Mihai

1st HM., Discendo Discimus-150 JT, 2002

1K6/2p4R/B3Qp2/8/1P1kNP2/7r/1p1p1r2/N1qn2B1

#2

9 + 9

102 Probleemblad 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Sxc2#
    • 1...Re3
      • 2.Rd7#
    • 1...Se3
      • 2.Sb3#
  • Tries
    • 1.Bxf2+?
      • 1...Re3
        • 2.Sb3#
        • 2.Rd7#
      • 1...Se3
        • 2.Sb3#
        • 2.Rd7#
      • 1...Sxf2!
    • 1.Qe5+?
      • 1...Ke3
        • 2.Rxh3#
      • 1...fxe5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Se2#
      • 1...Kxc3
        • 2.Qc4#
      • 1...Qxc3
        • 2.Rd7#
      • 1...Rxc3
        • 2.Rd7#
      • 1...Sxc3
        • 2.Sb3#
      • 1...Re3
        • 2.Qc4#
      • 1...Se3
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(a);N_GUARD::S(A),XQ(a)
    • R(f);N_SPINR(e),SBLOCK::R(H)
    • S(b);N_SPINR(e),SBLOCK,S_CUTR(f)::S(A)
  • Tries
    • Try
      • B(B);CHECK,XR(e)
      • Refutation
        • S(b);XB(B)
    • Try
      • Q(G);CHECK
      • Vars
        • K(g);S_FLIGHT::R(H),XR(f)
      • Refutation
        • P(h);XQ(G)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(g);N_SPINR(e),S_FLIGHT,XS(D)::QAR1(G)
      • Q(a);SBLOCK,XS(D)::R(H)
      • R(f);SBLOCK,XS(D)::R(H)
      • S(b);SBLOCK,XS(D)::S(A)
      • R(f);N_SPINR(e),SBLOCK::QAR1(G)
      • S(b);N_SPINR(e),SBLOCK::QAB(G),XP(h)
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