MESON Chess Problem Database

Problem Display
PID: 40350 (2r4q/n3pp2/1Rn2b1R/2Nk1P2/1r6/Bp1PQ1p1/8/3N1BK1 w - - 0 1)

Rietveld, Johannes Jacob

1st Comm., BCF 028. Ty., 1938-1939

2r4q/n3pp2/1Rn2b1R/2Nk1P2/1r6/Bp1PQ1p1/8/3N1BK1

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Sc3#
  • Keys
    • 1.Sa6!
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qd4#
      • 1...Sa5
        • 2.Sxb4#
      • 1...Rc4
        • 2.dxc4#
      • 1...Rd4
        • 2.Sc3#
      • 1...Rb5
        • 2.Bg2#
        • 2.Qe4#
      • 1...Bd4
        • 2.Bg2#
      • 1...Sd4
        • 2.Qe4#
      • 1...Se5
        • 2.Sxb4#
      • 1...Sb8
        • 2.Sxb4#
      • 1...Sd8
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(e);S_CUTB(f)::S(A)
  • Actual
    • S(G);
    • Threat
      • QAR1(F)
    • Vars
      • K(d);P-FLIGHT,P_SPINB(f),P_SPINR(c),P_SPINS(e)::QAR2(F)
      • S(e);N_GUARD::S(G),XR(c)
      • R(c);OGATE::P(E),XR(c)
      • R(c);S_CUTB(f)::S(A)
      • B(f);P_PINQ(F),S_CUTR(c)::B(B)
      • S(e);S_CUTR(c)::QAB1(F)
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