MESON Chess Problem Database

Problem Display
PID: 192922 (3N3K/8/3NP3/2pkp1R1/2p5/3qP3/1b1R3B/1Q6 w - - 0 1)

Rizzetti, Dante Hugo

Il Due Mosse, 1954

3N3K/8/3NP3/2pkp1R1/2p5/3qP3/1b1R3B/1Q6

#2

9 + 6

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

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Rxd3#
      • 2.Qxd3#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Qh1#
        • 2.e4#
      • 1...Qxd2
        • 2.Qe4#
        • 2.e4#
      • 1...Bc1
        • 2.Bh2#
        • 2.Bg3#
        • 2.Bf4#
        • 2.Qb7#
        • 2.e4#
      • 1...Bd4
        • 2.Qb7#
      • 1...Bxe5+!
  • Keys
    • 1.Sf5!
      • 1...e4+
        • 2.Sd4#
      • 1...Ke4
        • 2.Qh1#
      • 1...Qxd2
        • 2.e4#
      • 1...c3
        • 2.Qxd3#
      • 1...Qd4
        • 2.e4#
      • 1...Ba1
        • 2.Qb7#
      • 1...Bc1
        • 2.Qb7#
      • 1...Ba3
        • 2.Qb7#
      • 1...Bc3
        • 2.Qb7#
      • 1...Bd4
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);P_SPINB(C),XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_SPINQ(b),OGATE::QAB(A)
      • Refutation
        • B(a);CHECK,P_SPINB(a),XB(C)
  • Actual
    • S(F);N_PINP(f)
    • Vars
      • P(f);CHECK,SBLOCK::R(E)+S(F)
      • K(e);S_FLIGHT::QAB(A)
      • Q(b);N_SPINQ(b),XR(B)::P(D)
      • P(c);N_GUARD,S_CUTB(a)::QAR2(A),XQ(b)
      • Q(b);::P(D)
      • B(a);OGATE::QAB(A)
      • B(a);N_SPINQ(b),OGATE::QAB(A)
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