MESON Chess Problem Database

Problem Display
PID: 170049 (3r3B/3p1PN1/3pb1B1/1Ppk1qR1/3P2Qn/1P1N1pK1/3R1P2/8 w - - 0 1)

Rizzetti, Dante Hugo

Enroque!!, 1947

3r3B/3p1PN1/3pb1B1/1Ppk1qR1/3P2Qn/1P1N1pK1/3R1P2/8

#2

13 + 9

16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5+
      • 2.Sf4#
    • 1...Bxf7
      • 2.Bxf7#
    • 1...c4
      • 2.Sb4#
  • Tries
    • 1.Se8?
      • threat
        • 2.Sf6#
        • 2.Sc7#
      • 1...Qe5+
        • 2.Sf4#
      • 1...Qxg5
        • 2.Sc7#
        • 2.Be4#
      • 1...Bxf7
        • 2.Sc7#
        • 2.Bxf7#
      • 1...Rc8
        • 2.Sf6#
      • 1...Rxe8!
    • 1.Qxf3+?
      • 1...Kxd4
        • 2.Sxf5#
        • 2.Sxe6#
      • 1...Sxf3!
  • Keys
    • 1.Sh5!
      • threat
        • 2.Sf6#
      • 1...Qe5+
        • 2.Sdf4#
      • 1...Qxg5
        • 2.Be4#
      • 1...Bxf7
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(e);CHECK::S(D)
    • B(g);OGATE,XP(K)::B(J),XB(g)
    • P(c);N_GUARD::S(D)
  • Tries
    • Try
      • S(L);
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);CHECK::S(D)
        • R(i);::S(L)
      • Refutation
        • R(i);XS(L)
    • Try
      • Q(G);CHECK,XP(a)
      • Refutation
        • S(b);XQ(G)
  • Actual
    • S(L);
    • Threat
      • S(L)
    • Vars
      • Q(e);CHECK::S(D)
      • Q(e);N_SPINQ(e),OGATE,P_PINQ(G),XR(I)::B(J)
      • B(g);OGATE,XP(K)::B(J),XB(g)
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