MESON Chess Problem Database

Problem Display
PID: 37730 (8/1B1nBp2/4n2R/r7/p2k2N1/3N2r1/P4P2/KQR2b2 w - - 0 1)

Weber, Jacques

3rd HM., Schweizerische Schachzeitung, 1975

8/1B1nBp2/4n2R/r7/p2k2N1/3N2r1/P4P2/KQR2b2

#2

10 + 8

3690 Kunstschach in der Schweiz 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Qb4#
    • 1...Re3
      • 2.fxe3#
    • 1...Bxd3
      • 2.Qb2#
    • 1...Sec5
      • 2.Rd6#
    • 1...Sdc5
      • 2.Bf6#
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qc3#
        • 2.Qc4#
      • 1...Rxd3
        • 2.Qc4#
      • 1...Bxd3
        • 2.Qb2#
        • 2.Qc3#
      • 1...Rd5
        • 2.Qc4#
      • 1...Se5
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#
      • 1...Rc5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe4#
      • 1...Rxg4
        • 2.Qb2#
      • 1...Sexc5
        • 2.Rd6#
      • 1...Sdxc5
        • 2.Bf6#
      • 1...Rd3
        • 2.Qb4#
      • 1...Re3
        • 2.fxe3#
      • 1...Bg2
        • 2.Qb4#
      • 1...Bd3
        • 2.Qb2#
      • 1...Sg5
        • 2.Rd6#
      • 1...Sf6
        • 2.Bxf6#
      • 1...f5
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK,XS(F)::QAR2(B)
    • R(b);OGATE::P(E),XR(b)
    • B(a);SBLOCK,XS(F)::QAB(B)
    • S(f);OGATE::R(H)
    • S(g);N_GUARD,S_CUTR(e)::B(J)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XS(F)::QAR1(B)
        • R(e);::QAR1(B)
        • S(g);::QAB1(B)
      • Refutation
        • R(e);
  • Actual
    • S(F);
    • Threat
      • QAR1(B)
    • Vars
      • R(b);N_GUARD,XS(G)::QAB(B)
      • S(f);OGATE,XS(F)::R(H)
      • S(g);N_GUARD,XS(F)::B(J)
      • R(b);S_CUTB(a)::QAR2(B)
      • R(b);OGATE::P(E),XR(b)
      • B(a);N_GUARD::QAR2(B)
      • B(a);S_CUTR(b)::QAB(B)
      • S(f);OGATE::R(H)
      • S(g);N_GUARD::B(J),XS(g)
      • P(h);N_GUARD::S(F),XS(f)
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