MESON Chess Problem Database

Problem Display
PID: 146232 (1q3B2/N2n4/2B2Rn1/2p5/1Ppk1b1p/3N4/2Qp1P2/3K4 w - - 0 1)

Puig Ambros, Estanislao

2nd HM., Bonus Socius Ty., 1941

1q3B2/N2n4/2B2Rn1/2p5/1Ppk1b1p/3N4/2Qp1P2/3K4

#2

9 + 9

448 SEPA 1942

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Sb5#
    • 1...Qd6
      • 2.Sb5#
    • 1...Qc7
      • 2.Sb5#
    • 1...Qb5
      • 2.Sxb5#
    • 1...Qa8
      • 2.Sb5#
    • 1...Qc8
      • 2.Sb5#
    • 1...Qd8
      • 2.Sb5#
    • 1...Qe8
      • 2.Sb5#
    • 1...Qxf8
      • 2.Sb5#
    • 1...Sge5
      • 2.Rxf4#
    • 1...Sde5
      • 2.Bxc5#
    • 1...Sb6
      • 2.Sb5#
      • 2.Bxc5#
    • 1...Sxf6
      • 2.Bxc5#
  • Tries
    • 1.Rxf4+?
      • 1...Qxf4
        • 2.Sb5#
      • 1...Sxf4!
    • 1.Rd6+?
      • 1...Qxd6
        • 2.Sb5#
      • 1...Bxd6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Qc3#
      • 1...Qxe5
        • 2.Sb5#
      • 1...Bxe5
        • 2.Qxd2#
      • 1...Sgxe5
        • 2.Rxf4#
      • 1...Sdxe5
        • 2.Bxc5#
      • 1...c3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • Q(i);N_GUARD::S(H)
    • Q(i);N_GUARD::S(H),XQ(i)
    • Q(i);N_GUARD,XB(I)::S(H)
    • S(g);N_GUARD,S_CUTQ(i)::R(G),XB(d)
    • S(h);N_GUARD::B(I),XP(f)
    • S(h);N_GUARD,XR(G)::B(I),XP(f)
  • Tries
    • Try
      • R(G);CHECK,XB(d)
      • Vars
        • Q(i);XR(G)::S(H)
      • Refutation
        • S(g);XR(G)
    • Try
      • R(G);CHECK
      • Vars
        • Q(i);XR(G)::S(H)
      • Refutation
        • B(d);XR(G)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAB(B)
      • Q(i);N_GUARD,SBLOCK,XS(D)::S(H)
      • B(d);N_GUARD,SBLOCK,XS(D)::QAR2(B),XP(a)
      • S(g);N_GUARD,SBLOCK,XS(D)::R(G),XB(d)
      • S(h);N_GUARD,SBLOCK,XS(D)::B(I),XP(f)
      • P(b);SBLOCK::QAR1(B)
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Developed and maintained by Brian Stephenson.
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