MESON Chess Problem Database

Problem Display
PID: 245831 (1Bn5/1Q2b3/1qr5/2p4K/2p1kPPp/4N3/n2RP3/3N1R1b w - - 0 1)

Ahues, Herbert Siegfried Oskar

Europa-Rochade, 2003

1Bn5/1Q2b3/1qr5/2p4K/2p1kPPp/4N3/n2RP3/3N1R1b

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.Qxc6#
      • 2.Qb1#
    • 1...Qa7
      • 2.Qxc6#
      • 2.Qb1#
    • 1...Qc7
      • 2.Qb1#
    • 1...Qb1
      • 2.Qxc6#
      • 2.Qxb1#
    • 1...Qb2
      • 2.Qxc6#
    • 1...Qb3
      • 2.Qxc6#
    • 1...Qb4
      • 2.Qxc6#
    • 1...Qa6
      • 2.Qb1#
    • 1...Bf3
      • 2.exf3#
    • 1...Bd6
      • 2.Qh7#
    • 1...Bf6
      • 2.Qh7#
    • 1...Sd6
      • 2.Qxe7#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Sf2#
      • 1...Bd6
        • 2.Qh7#
      • 1...Sd6
        • 2.Qxe7#
      • 1...Qc7!
    • 1.Sf5?
      • threat
        • 2.Sf2#
      • 1...Qc7
        • 2.Qb1#
      • 1...Sd6
        • 2.Qxe7#
      • 1...Bd6!
    • 1.Qd7?
      • threat
        • 2.Qf5#
        • 2.Qd5#
      • 1...Qd8
        • 2.Qf5#
      • 1...Rd6
        • 2.Qf5#
      • 1...Re6
        • 2.Qd5#
      • 1...Rf6
        • 2.Qd5#
      • 1...Bd6
        • 2.Qf5#
        • 2.Qh7#
      • 1...Sc3
        • 2.Qf5#
      • 1...Sb4
        • 2.Qf5#
      • 1...Sd6
        • 2.Qe6#
        • 2.Qxe7#
      • 1...Rh6+!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Sf2#
      • 1...Qc7
        • 2.Qb1#
      • 1...Bd6
        • 2.Qh7#
      • 1...Sd6
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • Q(g);OGATE::QAB(I)
    • Q(g);N_GUARD::QAB(I),XR(h)
    • B(a);OGATE,P_PINP(G)::P(D),XB(a)
    • B(i);OGATE::QAB(I)
    • S(j);N_GUARD::QAR(I),XB(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(A)
      • Vars
        • B(i);OGATE::QAB(I)
        • S(j);N_GUARD::QAR(I),XB(i)
      • Refutation
        • Q(g);
    • Try
      • S(E);
      • Threat
        • S(A)
      • Vars
        • Q(g);OGATE::QAB(I)
        • S(j);N_GUARD::QAR(I),XB(i)
      • Refutation
        • B(i);
    • Try
      • Q(I);N_PINR(h)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::QAB1(I)
        • R(h);::QAB1(I)
        • S(b);::QAB1(I)
      • Refutation
        • R(h);CHECK
  • Actual
    • S(E);XP(c)
    • Threat
      • S(A)
    • Vars
      • Q(g);OGATE::QAB(I)
      • B(i);OGATE::QAB(I)
      • S(j);N_GUARD::QAR(I),XB(i)
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