MESON Chess Problem Database

Problem Display
PID: 108045 (3nN3/1n3p2/5P1p/1Qpk2p1/3P1pR1/2P1b2B/6PB/1K2RN2 w - - 0 1)

Faruffini, CG

La Presse, 1895

3nN3/1n3p2/5P1p/1Qpk2p1/3P1pR1/2P1b2B/6PB/1K2RN2

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Rxg5#
    • 1...Bc1
      • 2.Re5#
    • 1...Bg1
      • 2.Re5#
    • 1...Bd2
      • 2.Re5#
    • 1...Bf2
      • 2.Re5#
    • 1...Bxd4
      • 2.c4#
    • 1...f3
      • 2.Sc7#
  • Tries
    • 1.Sxe3+?
      • 1...Ke6
        • 2.Rxg5#
      • 1...fxe3
        • 2.Sc7#
      • 1...Ke4!
    • 1.Sc7+?
      • 1...Ke4
        • 2.Sg3#
      • 1...Kd6!
    • 1.Rxe3?
      • threat
        • 2.Re5#
      • 1...fxe3
        • 2.Sc7#
      • 1...Sc6!
    • 1.Rxg5+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Re5#
      • 1...hxg5!
    • 1.Qxc5+?
      • 1...Ke4
        • 2.Rxe3#
      • 1...Ke6
        • 2.Rxg5#
      • 1...Sxc5!
  • Keys
    • 1.Sd2!
      • 1...Ke6
        • 2.Rxg5#
      • 1...Bxd2
        • 2.Re5#
      • 1...Bxd4
        • 2.c4#
      • 1...Sa5
        • 2.Qd7#
      • 1...Bg1
        • 2.Re5#
      • 1...Bf2
        • 2.Re5#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sc6
        • 2.Qc4#
      • 1...Se6
        • 2.Qxb7#
      • 1...f3
        • 2.Sc7#
      • 1...h5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(d);N_SPINP(c),P_SPINB(a),S_FLIGHT::B(G)+R(I),XP(e)
    • B(a);OGATE::R1(B)
    • B(a);SBLOCK,XP(H)::P(F)
    • P(b);::S(L)
  • Tries
    • Try
      • S(C);CHECK,XB(a)
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::B(G)+R(I),XP(e)
        • P(b);XS(C)::S(L)
      • Refutation
        • K(d);N_SPINP(c),P_SPINP(b),S_FLIGHT
    • Try
      • S(L);CHECK
      • Vars
        • K(d);N_SPINP(c),P_SPINB(a),P_SPINP(b),S_FLIGHT::S(C)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT,P_SPINP(b)
    • Try
      • R(B);XB(a)
      • Threat
        • R1(B)
      • Vars
        • P(b);XR(B)::S(L)
      • Refutation
        • S(i);
    • Try
      • R(I);CHECK,XP(e)
      • Refutation
        • P(f);XR(I)
    • Try
      • Q(J);CHECK,XP(c)
      • Vars
        • K(d);P_SPINB(a),P_SPINP(b),S_FLIGHT::R1(B),XB(a)
        • K(d);P_SPINB(a),S_FLIGHT::B(G)+R(I),XP(e)
      • Refutation
        • S(g);XQ(J)
  • Actual
    • S(C);
    • Vars
      • K(d);N_SPINP(c),P_SPINB(a),S_FLIGHT::B(G)+R(I),XP(e)
      • B(a);OGATE,XS(C)::R1(B)
      • B(a);SBLOCK,XP(H)::P(F)
      • S(g);N_GUARD::QAR2(J)
      • B(a);OGATE::R1(B)
      • S(g);SBLOCK::S(L)
      • S(i);SBLOCK::QAB1(J)
      • S(i);N_GUARD,SBLOCK::QAB(J),XS(g)
      • P(b);::S(L)
      • P(f);N_GUARD::R(I),XP(e)
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Developed and maintained by Brian Stephenson.
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