MESON Chess Problem Database

Problem Display
PID: 158791 (4R2K/1r3p2/B7/3pN3/b7/3n1Npp/pRP1kPQ1/r1n5 w - - 0 1)

Chicco, Adriano

Magyar Sakkvilag, 1932

4R2K/1r3p2/B7/3pN3/b7/3n1Npp/pRP1kPQ1/r1n5

#2

9 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd3+?
      • 1...Kd1
        • 2.Qf1#
        • 2.Qh1#
        • 2.Qg1#
      • 1...Sxd3!
    • 1.fxg3+?
      • 1...Kd1
        • 2.Qd2#
      • 1...Ke3
        • 2.Sc4#
        • 2.Sg4#
      • 1...hxg2!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qe1#
      • 1...Kxf2
        • 2.Sg4#
      • 1...gxf2
        • 2.Sd7#
      • 1...Rb5
        • 2.Sxd3#
      • 1...Bb5
        • 2.cxd3#
      • 1...Sb3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);CHECK,XS(e)
      • Refutation
        • S(b);XB(G)
    • Try
      • P(C);CHECK,XP(f)
      • Vars
        • K(d);N_SPINS(e),OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • P(g);XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(d);N_SPINS(e),P-FLIGHT,XP(C)::S(F)
      • P(f);SBLOCK,XP(C)::R(H)+S(F)
      • R(j);N_GUARD,N_SPINS(e),S_CUTB(h)::R(H)+S(F),XS(e)
      • B(h);N_GUARD,N_SPINS(e),S_CUTR(j)::R(A)+P(B),XS(e)
      • S(b);OGATE::R(A)+P(B),XS(b)
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