MESON Chess Problem Database

Problem Display
PID: 245992 (r7/6rp/p2N4/K1kPB2Q/4n3/N3P3/B1b5/3R4 w - - 0 1)

Paslack, Rainer

Europa-Rochade, 2012

r7/6rp/p2N4/K1kPB2Q/4n3/N3P3/B1b5/3R4

#2

9 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Sb7#
    • 1...Rg2
      • 2.Sb7#
    • 1...Rg3
      • 2.Sb7#
    • 1...Rg4
      • 2.Sb7#
    • 1...Rg5
      • 2.Sb7#
    • 1...Rg6
      • 2.Sb7#
    • 1...Rb7
      • 2.Sxb7#
    • 1...Rgg8
      • 2.Sb7#
    • 1...Bxd1
      • 2.Sxe4#
    • 1...Bb3
      • 2.Sxe4#
    • 1...Ba4
      • 2.Sxe4#
    • 1...Sxd6
      • 2.Bd4#
  • Tries
    • 1.Sac4?
      • threat
        • 2.Bd4#
      • 1...Rg5
        • 2.Sb7#
      • 1...Sg5!
    • 1.Sdc4?
      • threat
        • 2.Bd4#
      • 1...Sg5
        • 2.Bd6#
      • 1...Rg5!
    • 1.Qg6?
      • threat
        • 2.Bd4#
      • 1...Rxg6
        • 2.Sb7#
      • 1...Bb3
        • 2.Sxe4#
      • 1...Sf6
        • 2.Qxc2#
      • 1...hxg6!
    • 1.Qh6?
      • threat
        • 2.Bd4#
      • 1...Rg6
        • 2.Sb7#
      • 1...Bb3
        • 2.Sxe4#
      • 1...Sf6!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Bd4#
      • 1...Rg3
        • 2.Sb7#
      • 1...Bb3
        • 2.Sxe4#
      • 1...Sg3
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(e);N_GUARD::S(I)
    • R(e);N_GUARD::S(I),XR(e)
    • B(a);N_GUARD,XR(A)::S(I),XS(b)
    • B(a);N_GUARD::S(I),XS(b)
    • S(b);SBLOCK,XS(I)::B(G)
  • Tries
    • Try
      • S(C);
      • Threat
        • B(G)
      • Vars
        • R(e);N_GUARD::S(I)
      • Refutation
        • S(b);
    • Try
      • S(I);
      • Threat
        • B(G)
      • Vars
        • S(b);N_GUARD::B(G)
      • Refutation
        • R(e);
    • Try
      • Q(H);
      • Threat
        • B(G)
      • Vars
        • R(e);N_GUARD,XQ(H)::S(I)
        • B(a);N_GUARD::S(I),XS(b)
        • S(b);OGATE::QAR(H),XB(a)
      • Refutation
        • P(f);XQ(H)
    • Try
      • Q(H);
      • Threat
        • B(G)
      • Vars
        • R(e);N_GUARD::S(I)
        • B(a);N_GUARD::S(I),XS(b)
      • Refutation
        • S(b);
  • Actual
    • Q(H);
    • Threat
      • B(G)
    • Vars
      • R(e);N_GUARD::S(I)
      • B(a);N_GUARD::S(I),XS(b)
      • S(b);N_GUARD::QAR(H),XB(a)
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