MESON Chess Problem Database

Problem Display
PID: 66980 (3R4/4p2b/KP4B1/3N1n2/N1kP2Rb/pp1p1p2/1p6/1Q6 w - - 0 1)

Schonholzer, Andreas

Troll, 2001

3R4/4p2b/KP4B1/3N1n2/N1kP2Rb/pp1p1p2/1p6/1Q6

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Qxd3#
    • 1...Sg3
      • 2.Qxd3#
    • 1...Sxd4
      • 2.Qxd3#
    • 1...Sh6
      • 2.Qxd3#
    • 1...Sg7
      • 2.Qxd3#
    • 1...a2
      • 2.Sxb2#
    • 1...d2
      • 2.Qf1#
  • Tries
    • 1.Sac3?
      • threat
        • 2.Rc8#
      • 1...Sd6
        • 2.Qxd3#
      • 1...Bg3!
    • 1.Bxf5?
      • threat
        • 2.Qxd3#
      • 1...d2
        • 2.Qd3#
        • 2.Qf1#
      • 1...Bxf5!
    • 1.Qe1?
      • threat
        • 2.Qc3#
        • 2.Qb4#
      • 1...Sd6
        • 2.Se3#
      • 1...d2
        • 2.Qf1#
      • 1...b1S
        • 2.Qb4#
      • 1...Bxe1!
  • Keys
    • 1.b7!
      • threat
        • 2.Sab6#
      • 1...Sxd4
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • S(h);::QAB1(A),XP(d)
    • S(h);P_SPINS(h),XP(C)::QAB1(A),XP(d)
    • P(b);N_GUARD::S(B),XP(a)
    • P(d);OGATEB::QAB(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • R(I)
      • Vars
        • S(h);::QAB1(A),XP(d)
      • Refutation
        • B(g);
    • Try
      • B(H);XS(h)
      • Threat
        • QAB1(A),XP(d)
      • Refutation
        • B(j);XB(H)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);N_GUARD::S(E)
        • P(d);OGATEB::QAB(A)
        • P(a);::QAR1(A)
      • Refutation
        • B(g);XQ(A)
  • Actual
    • P(G);
    • Threat
      • S(B)
    • Vars
      • S(h);P_SPINS(h),XP(C)::QAB1(A),XP(d)
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