MESON Chess Problem Database

Problem Display
PID: 178038 (3r4/3p2Q1/R1n1k2P/1N5R/1P4PN/1n1K4/B6b/8 w - - 0 1)

Mendes de Moraes Filho, Feliciano

Busmen's Chess Review, 1964

3r4/3p2Q1/R1n1k2P/1N5R/1P4PN/1n1K4/B6b/8

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Re5#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bd6
      • 2.Bxb3#
    • 1...d6
      • 2.Sc7#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sfd4#
      • 1...Kd5
        • 2.Bxb3#
      • 1...Bg1
        • 2.Sc7#
      • 1...Bd6
        • 2.Bxb3#
      • 1...d5
        • 2.Qe7#
      • 1...d6
        • 2.Sc7#
      • 1...Be5!
    • 1.Sg6?
      • threat
        • 2.Qe7#
      • 1...Be5
        • 2.Rxe5#
      • 1...Bd6
        • 2.Bxb3#
      • 1...d6
        • 2.Sc7#
      • 1...Re8!
    • 1.Rf5?
      • threat
        • 2.Qf6#
        • 2.Qf7#
      • 1...Be5
        • 2.Rxe5#
        • 2.Qxe5#
        • 2.Qf7#
      • 1...d5
        • 2.Qf7#
      • 1...d6
        • 2.Sc7#
        • 2.Qf7#
      • 1...Rf8!
    • 1.Rxc6+?
      • 1...Bd6
        • 2.Sd4#
        • 2.Sc7#
        • 2.Bxb3#
        • 2.Re5#
        • 2.Rxd6#
      • 1...d6
        • 2.Sd4#
        • 2.Sc7#
        • 2.Bxb3#
      • 1...dxc6+!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sfd4#
      • 1...Be5
        • 2.Rxe5#
      • 1...Bg1
        • 2.Re5#
      • 1...Bd6
        • 2.Bxb3#
      • 1...d5
        • 2.Sg5#
      • 1...d6
        • 2.Sc7#

This is after

After Kipping.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R1(G)
    • B(a);N_GUARD::R1(G),XB(a)
    • B(a);S_CUTP(e)::B(A),XS(b)
    • P(e);SBLOCK,S_CUTB(a)::S(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(d);S_FLIGHT::B(A),XS(b)
        • B(a);N_GUARD::S(F)
        • B(a);S_CUTP(e)::B(A),XS(b)
        • P(e);N_SPINS(b),P_SPINS(c),SBLOCK::QAR1(J)
        • P(e);S_CUTB(a)::S(F)
      • Refutation
        • B(a);
    • Try
      • S(E);
      • Threat
        • QAR1(J)
      • Vars
        • B(a);N_GUARD::R1(G),XB(a)
        • B(a);S_CUTP(e)::B(A),XS(b)
        • P(e);SBLOCK,S_CUTB(a)::S(F)
      • Refutation
        • R(f);
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);N_SPINS(b),P_SPINS(c)::QAB1(J)
      • Refutation
        • R(f);
    • Try
      • R(H);CHECK,XS(c)
      • Refutation
        • P(e);CHECK,XR(H)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • B(a);N_GUARD::R1(G),XB(a)
      • B(a);N_GUARD::R1(G)
      • B(a);S_CUTP(e)::B(A),XS(b)
      • P(e);N_SPINS(b),P_SPINS(c),SBLOCK::S(E)
      • P(e);SBLOCK,S_CUTB(a)::S(F)
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