MESON Chess Problem Database

Problem Display
PID: 174836 (b5Q1/8/3p3B/2pPbR2/n1pk2P1/4NP2/2KPB2p/8 w - - 0 1)

Barth, Michael

Schach, 2006

b5Q1/8/3p3B/2pPbR2/n1pk2P1/4NP2/2KPB2p/8

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Bxg7#
      • 2.Qxg7#
    • 1...Bh8
      • 2.Qxh8#
    • 1...Bxd5
      • 2.Qxd5#
    • 1...Sc3
      • 2.dxc3#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Rf4#
      • 1...Bxg7
        • 2.Qxg7#
      • 1...Bxd5
        • 2.Qxd5#
      • 1...Bf6
        • 2.Bxf6#
      • 1...Sc3!
    • 1.Rxe5?
      • threat
        • 2.Re4#
      • 1...Kxe5
        • 2.Qg7#
        • 2.Qh8#
      • 1...Bxd5
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...dxe5
        • 2.Sf5#
      • 1...Sc3!
    • 1.Qg7?
      • threat
        • 2.Rf4#
      • 1...Bxg7
        • 2.Bxg7#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Bxd5!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Be3#
      • 1...Bf4
        • 2.Rxf4#

There are these versions: 174837

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(f);OGATEB::QAB(J),XB(f)
    • B(h);OGATE,XP(G)::QAR1(J),XB(h)
    • S(b);OGATE::P(B),XS(b)
  • Tries
    • Try
      • B(I);P_PINB(f)
      • Threat
        • R(H)
      • Vars
        • B(f);N_SPINB(f),OGATE,XB(I)::QAB(J),XB(f)
        • B(h);OGATE,XP(G)::QAR1(J),XB(h)
        • B(f);OGATEB::B(I),XB(f)
      • Refutation
        • S(b);
    • Try
      • R(H);XB(f)
      • Threat
        • R1(H)
      • Vars
        • P(g);SBLOCK,XR(H)::S(D)
      • Refutation
        • S(b);
    • Try
      • Q(J);P_PINB(f)
      • Threat
        • R(H)
      • Vars
        • B(f);N_SPINB(f),OGATE,XQ(J)::B(I),XB(f)
        • B(f);OGATEB::QAB(J),XB(f)
        • S(b);OGATE::P(B),XS(b)
      • Refutation
        • B(h);XP(G)
  • Actual
    • S(D);XP(c)
    • Threat
      • B(I)
    • Vars
      • B(f);N_GUARD::R(H),XB(f)
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