MESON Chess Problem Database

Problem Display
PID: 101567 (3N1BbK/1qpR3p/8/1r1p2r1/pP1k1P2/p1npnBp1/3N4/2Q5 w - - 0 1)

Schor, Laszlo

Good Companions, 1922

3N1BbK/1qpR3p/8/1r1p2r1/pP1k1P2/p1npnBp1/3N4/2Q5

#2

9 + 14

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qc8
      • 2.Sc6#
    • 1...Qa7
      • 2.Sc6#
    • 1...Qb8
      • 2.Sc6#
    • 1...Rc5
      • 2.Bxc5#
    • 1...Rb6
      • 2.Bc5#
    • 1...Rg7
      • 2.Bxg7#
    • 1...Be6
      • 2.Sxe6#
  • Tries
    • 1.Bg7+?
      • 1...Re5
        • 2.Bxe5#
      • 1...Rxg7!
  • Keys
    • 1.Bxd5!
      • threat
        • 2.Sf3#
      • 1...Qxd5
        • 2.Sc6#
      • 1...Rbxd5
        • 2.Bc5#
      • 1...Rgxd5
        • 2.Bg7#
      • 1...Bxd5
        • 2.Se6#
      • 1...Scxd5
        • 2.Qa1#
      • 1...Sexd5
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • Q(k);N_GUARD::S(G),XQ(k)
    • Q(k);N_GUARD::S(G)
    • R(h);N_GUARD::B(H),XR(h)
    • R(h);N_GUARD::B(H)
    • R(j);N_GUARD::B(H),XR(j)
    • B(n);N_GUARD::S(G),XB(n)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • R(j);N_GUARD,P_SPINR(j)::B(H),XR(j)
      • Refutation
        • R(j);XB(H)
  • Actual
    • B(C);XP(i)
    • Threat
      • S(B)
    • Vars
      • Q(k);N_GUARD,P_SPINQ(k),XB(C)::S(G)
      • R(h);N_GUARD,P_SPINR(h),XB(C)::B(H)
      • R(j);N_GUARD,P_SPINR(j),XB(C)::B(H)
      • B(n);N_GUARD,P_SPINB(n),XB(C)::S(G)
      • S(b);OGATEB,P_SPINS(b),XB(C)::QAB(A)
      • S(d);OGATEB,P_SPINS(d),XB(C)::QAB(A)
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Developed and maintained by Brian Stephenson.
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