MESON Chess Problem Database

Problem Display
PID: 226814 (2BRR3/3NbpBp/q6P/1p3k2/p2P1N1P/7K/b2p4/3Q4 w - - 0 1)

Barbaro, D

Il Due Mosse, 1954

2BRR3/3NbpBp/q6P/1p3k2/p2P1N1P/7K/b2p4/3Q4

#2

11 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Qg4#
    • 1...Bb4
      • 2.Qg4#
    • 1...Bxh4
      • 2.Qg4#
    • 1...Bc5
      • 2.Qg4#
    • 1...Bg5
      • 2.Qg4#
    • 1...Bd6
      • 2.Qg4#
    • 1...Bf6
      • 2.Qg4#
    • 1...Bxd8
      • 2.Qg4#
    • 1...Bf8
      • 2.Qg4#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Qg4#
      • 1...Ke4
        • 2.Sc5#
      • 1...Ke6
        • 2.Sc5#
        • 2.Sf8#
      • 1...Kg6
        • 2.Se5#
      • 1...Bg5
        • 2.Qc2#
      • 1...Qg6!
    • 1.Sc5+?
      • 1...Qxc8
        • 2.Qg4#
      • 1...Qe6
        • 2.Qg4#
      • 1...Be6
        • 2.Qg4#
      • 1...Kxf4!
    • 1.Sf6+?
      • 1...Qxc8
        • 2.Qg4#
      • 1...Qe6
        • 2.Qg4#
      • 1...Be6
        • 2.Qg4#
      • 1...Kxf4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qg4#
      • 1...Ke4
        • 2.Sc5#
      • 1...Ke6
        • 2.Sc5#
        • 2.Sf8#
      • 1...Kg6
        • 2.Sxe7#
        • 2.Se5#
      • 1...Qg6
        • 2.S7f6#
      • 1...Bg5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • B(g);::QAB1(A)
    • B(g);XP(E)::QAB1(A)
    • B(g);XR(J)::QAB1(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);P_SPINB(g),S_FLIGHT::S(G)
        • K(e);S_FLIGHT::S(G)
        • B(g);::QAB(A)
      • Refutation
        • Q(f);
    • Try
      • S(G);CHECK
      • Vars
        • Q(f);XB(I)::QAB1(A)
        • Q(f);P_SPINQ(f)::QAB1(A)
        • B(a);P_SPINB(a)::QAB1(A)
      • Refutation
        • K(e);P-FLIGHT,XS(D)
    • Try
      • S(G);CHECK
      • Vars
        • Q(f);XB(I)::QAB1(A)
        • Q(f);P_SPINQ(f)::QAB1(A)
        • B(a);P_SPINB(a)::QAB1(A)
      • Refutation
        • K(e);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);P_SPINB(g),S_FLIGHT::S(G)
      • Q(f);N_GUARD,SBLOCK::B(I)+S(G)
      • B(g);::QAB(A)
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