MESON Chess Problem Database

Problem Display
PID: 108525 (8/3pb3/K4R1N/5R2/4k3/4Pp2/1NPp2r1/4Q3 w - - 0 1)

Kapros, Jorge Marcelo

Revista Joker, 1975

8/3pb3/K4R1N/5R2/4k3/4Pp2/1NPp2r1/4Q3

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Re6#
    • 1...d6
      • 2.Re6#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Sc5#
      • 1...Rg5
        • 2.Sf2#
      • 1...d6
        • 2.Re6#
      • 1...Bd6!
    • 1.Sf7?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Sd6#
      • 1...Rg5
        • 2.Sxg5#
      • 1...Bd6
        • 2.Sxd6#
      • 1...d6!
    • 1.Qxd2?
      • threat
        • 2.Qd3#
        • 2.Qd4#
      • 1...Bxf6
        • 2.Qd3#
      • 1...Bc5
        • 2.Qd3#
      • 1...Rxd2!
    • 1.Qh4+?
      • 1...Kxe3
        • 2.Re5#
      • 1...Rg4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Sd6#
      • 1...Rg5
        • 2.Sxd2#
      • 1...Bd6
        • 2.Sxd6#
      • 1...d6
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD::R(G)
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(E)
      • Vars
        • B(f);N_GUARD,XR(G)::S(B)
        • R(b);N_GUARD::S(B)
        • P(e);N_GUARD::R(G)
      • Refutation
        • B(f);
    • Try
      • S(H);
      • Threat
        • R1(E)
      • Vars
        • B(f);N_GUARD,XR(G)::S(H)
        • R(b);N_GUARD::S(H),XR(b)
        • B(f);N_GUARD::S(H),XB(f)
      • Refutation
        • P(e);
    • Try
      • Q(A);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);XR(G)::QAB1(A)
        • B(f);::QAB1(A)
      • Refutation
        • R(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(D)::R(E)
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • S(B);
    • Threat
      • R1(E)
    • Vars
      • B(f);N_GUARD,XR(G)::S(B)
      • R(b);N_GUARD::S(B),XP(a)
      • B(f);N_GUARD::S(B),XB(f)
      • P(e);N_GUARD::R(G)
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