MESON Chess Problem Database

Problem Display
PID: 41360 (8/3p2Q1/8/3prBRK/1P1k4/4nR1p/1P1N1n2/1qrbN1B1 w - - 0 1)

Guidelli, Giorgio

3rd Prize, Lo Scacchistica di Roma, 1920

8/3p2Q1/8/3prBRK/1P1k4/4nR1p/1P1N1n2/1qrbN1B1

#2

10 + 10

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf3+
      • 2.Sexf3#
    • 1...Sh1
      • 2.Bxe3#
    • 1...Sd3
      • 2.Bxe3#
    • 1...Se4
      • 2.Bxe3#
    • 1...Sc2
      • 2.Rg4#
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qxe5#
      • 1...Bxf3+
        • 2.Sexf3#
      • 1...Sd3
        • 2.Bxe3#
      • 1...Sfg4
        • 2.Rf4#
      • 1...Sc4
        • 2.Sb3#
      • 1...Seg4
        • 2.Rd3#
      • 1...Sf5
        • 2.Rg4#
      • 1...d6
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(c);CHECK,XR(E)::S(A),XB(c)
    • S(d);OGATE,P_SPINS(e)::B(B),XS(e)
    • S(e);N_GUARD,P_SPINS(d),S_CUTQ(a)::R(H)
  • Actual
    • B(G);
    • Threat
      • QAB1(J),XR(i)
    • Vars
      • B(c);CHECK,P_PINR(H),XR(E)::S(A),XB(c)
      • S(d);OGATE,P_SPINS(e)::B(B),XS(e)
      • S(d);N_PINR(E),P_PINR(H),P_SPINS(e)::R(E)
      • S(e);P_SPINS(d),SBLOCK::S(D)
      • S(e);N_PINR(E),P_PINR(H),P_SPINS(d)::R1(E)
      • S(e);OGATE,P_SPINS(d)::R(H)
      • P(j);OGATE::QAB(J)
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