MESON Chess Problem Database

Problem Display
PID: 192880 (4K1RB/7B/8/4N1Pp/3P1k1N/1R3Pn1/1p2rn1P/4Q2b w - - 0 1)

Rizzetti, Dante Hugo

Il Due Mosse, 1953

4K1RB/7B/8/4N1Pp/3P1k1N/1R3Pn1/1p2rn1P/4Q2b

#2

12 + 7

16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Qe3#
    • 1...Rd2
      • 2.Qxd2#
      • 2.Qe3#
    • 1...Re3
      • 2.Qxe3#
    • 1...Rxe5+
      • 2.Bxe5#
      • 2.Qxe5#
    • 1...Bg2
      • 2.Sxg2#
    • 1...Bxf3
      • 2.Rxf3#
    • 1...Sd1
      • 2.Qxg3#
      • 2.hxg3#
    • 1...Sh3
      • 2.Qxg3#
      • 2.hxg3#
    • 1...Sg4
      • 2.Qxg3#
      • 2.hxg3#
  • Tries
    • 1.Rf8+?
      • 1...Sf5
        • 2.Rxf5#
      • 1...Kxg5!
    • 1.Qd2+?
      • 1...Re3
        • 2.Qxe3#
      • 1...Rxd2!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qxg3#
        • 2.hxg3#
      • 1...Rxe5+
        • 2.Bxe5#
      • 1...Bg2
        • 2.Sxg2#
      • 1...Sd3
        • 2.hxg3#
      • 1...Sfe4
        • 2.Sd3#
      • 1...Sf1
        • 2.Rf8#
      • 1...Sge4
        • 2.Seg6#
      • 1...Sf5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • R(c);N_PINS(G),OGATE::QAB1(A)
    • R(c);OGATE::QAB1(A),XR(c)
    • B(a);N_GUARD::S(F),XB(a)
    • B(a);OGATE,XP(D)::R1(C),XB(a)
  • Tries
    • Try
      • R(K);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::R1(K),XS(e)
      • Refutation
        • K(f);S_FLIGHT,XP(H)
    • Try
      • Q(A);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(A),XR(c)
      • Refutation
        • R(c);N_PINS(G),XQ(A)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);CHECK,OGATE,XS(G)::B(L),XR(c)
      • B(a);N_GUARD::S(F),XB(a)
      • S(d);::P(B),XS(e)
      • S(d);N_PINS(G)::S(G)
      • S(e);N_GUARD::R(K)
      • S(e);N_PINS(G)::S(G)
      • S(e);SBLOCK::S(F)
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