MESON Chess Problem Database

Problem Display
PID: 41553 (3b2B1/2n5/p7/q1Rrp1np/Q2pk3/1p3RP1/2p2pK1/5N2 w - - 0 1)

Rittirsch, Manfred

9th Place, League of Macedonian Problemists, 2000

3b2B1/2n5/p7/q1Rrp1np/Q2pk3/1p3RP1/2p2pK1/5N2

#2

7 + 13

23 Die Schwalbe 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Sxd2#
    • 1...Qb6
      • 2.Sd2#
    • 1...Qxa4
      • 2.Sd2#
    • 1...Qb5
      • 2.Sd2#
    • 1...Qxc5
      • 2.Sd2#
    • 1...Sxf3
      • 2.Bh7#
    • 1...Sh3
      • 2.Bh7#
    • 1...Sge6
      • 2.Bh7#
    • 1...Sf7
      • 2.Bh7#
    • 1...Sh7
      • 2.Bxh7#
    • 1...Sb5
      • 2.Bxd5#
    • 1...Sa8
      • 2.Bxd5#
    • 1...Se8
      • 2.Bxd5#
  • Tries
    • 1.Rf4+?
      • 1...Kd3
        • 2.Qc4#
      • 1...exf4!
    • 1.Qc6?
      • threat
        • 2.Qg6#
      • 1...d3
        • 2.Rc4#
      • 1...Qb6
        • 2.Sd2#
      • 1...Sge6
        • 2.Bh7#
      • 1...Sce6
        • 2.Qxd5#
      • 1...Bf6!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qg6#
      • 1...Sxe8
        • 2.Bxd5#
      • 1...d3
        • 2.Rf4#
      • 1...Qb6
        • 2.Sd2#
      • 1...Rd6
        • 2.Qxe5#
      • 1...Sf7
        • 2.Bh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(f);N_GUARD::S(A),XQ(f)
    • Q(f);N_GUARD::S(A)
    • Q(f);N_GUARD,N_SPINP(d),XQ(E)::S(A)
    • Q(f);N_GUARD,XR(F)::S(A)
    • S(i);N_GUARD,XR(C)::B(G)
    • S(i);N_GUARD::B(G)
    • S(i);N_GUARD::B(G),XS(i)
    • S(l);N_GUARD::B(G),XR(g)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(e);N_SPINP(d),S_FLIGHT::QAB1(E)
      • Refutation
        • P(h);XR(C)
    • Try
      • Q(E);N_PINP(d),P_PINR(g)
      • Threat
        • QAB(E)
      • Vars
        • P(d);OGATEB::R(F)
        • Q(f);N_GUARD::S(A)
        • S(i);N_GUARD::B(G)
        • S(l);N_GUARD::QAB1(E),XR(g)
      • Refutation
        • B(m);
  • Actual
    • Q(E);N_PINP(d),P_PINP(h)
    • Threat
      • QAB(E)
    • Vars
      • S(l);N_GUARD,N_SPINP(h),XQ(E)::B(G),XR(g)
      • P(d);SBLOCK::R1(C)
      • Q(f);N_GUARD::S(A)
      • R(g);N_GUARD::QAR1(E),XP(h)
      • S(i);N_GUARD::B(G)
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