MESON Chess Problem Database

Problem Display
PID: 220722 (6Qn/4p3/8/1NKp1kPN/R4Pp1/2p1r3/8/2B5 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1998

6Qn/4p3/8/1NKp1kPN/R4Pp1/2p1r3/8/2B5

#2

8 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sg3#
    • 1...Re2
      • 2.Sg3#
    • 1...Rg3
      • 2.Sxg3#
    • 1...Re4
      • 2.Sg3#
    • 1...Re5
      • 2.Sg3#
    • 1...Re6
      • 2.Sg3#
    • 1...Sg6
      • 2.Sg7#
      • 2.Qf7#
    • 1...Sf7
      • 2.Qxf7#
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sd6#
  • Tries
    • 1.Bxe3?
      • threat
        • 2.Sg3#
      • 1...Sf7
        • 2.Qxf7#
      • 1...g3!
    • 1.Qh7+?
      • 1...Sg6
        • 2.Sg7#
        • 2.Qf7#
      • 1...Ke6!
    • 1.Qg6+?
      • 1...Sxg6
        • 2.Sg7#
      • 1...Kxg6!
  • Keys
    • 1.Re4!
      • threat
        • 2.Qe6#
      • 1...Kxe4
        • 2.Qxd5#
      • 1...Rxe4
        • 2.Sg3#
      • 1...dxe4
        • 2.Sd4#
      • 1...Sf7
        • 2.Qh7#
      • 1...e5
        • 2.Sd6#
      • 1...e6
        • 2.Sd6#
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::S(G)
    • R(b);N_GUARD::S(G),XR(b)
    • S(g);N_GUARD::QAR2(H),XS(g)
    • P(f);N_GUARD::S(D)
  • Tries
    • Try
      • B(A);XR(b)
      • Threat
        • S(G)
      • Vars
        • S(g);N_GUARD::QAR2(H),XS(g)
      • Refutation
        • P(c);
    • Try
      • Q(H);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • S(g);SBLOCK,XQ(H)::S(G)
      • Refutation
        • K(e);S_FLIGHT,XQ(H)
  • Actual
    • R(B);
    • Threat
      • QAB1(H)
    • Vars
      • K(e);S_FLIGHT,XR(B)::QAB1(H),XP(d)
      • R(b);N_GUARD,XR(B)::S(G)
      • P(d);SBLOCK,XR(B)::S(D)
      • S(g);N_GUARD::QAB(H)
      • P(f);N_GUARD::S(D)
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