MESON Chess Problem Database

Problem Display
PID: 147784 (BB1nrq2/Q7/2pp4/2R2Pp1/R1P2kp1/K1P3N1/3P3P/4Nn2 w - - 0 1)

Mendes de Moraes Filho, Feliciano

Source?, 0000

BB1nrq2/Q7/2pp4/2R2Pp1/R1P2kp1/K1P3N1/3P3P/4Nn2

#2

13 + 9

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5
      • 2.Rxf5#
    • 1...Re4
      • 2.Sh5#
  • Tries
    • 1.Bxc6?
      • threat
        • 2.Sg2#
        • 2.Sd3#
        • 2.Sh5#
      • 1...Qxf5
        • 2.Sg2#
        • 2.Sh5#
        • 2.Rxf5#
      • 1...Rxe1
        • 2.Sh5#
      • 1...Sxd2
        • 2.Sg2#
      • 1...Sxh2
        • 2.Sh5#
      • 1...Sxg3
        • 2.Sg2#
        • 2.Sd3#
      • 1...Qh6
        • 2.Sg2#
        • 2.Sd3#
      • 1...Qf7
        • 2.Sg2#
        • 2.Sd3#
      • 1...Qh8
        • 2.Sg2#
        • 2.Sd3#
      • 1...Re2
        • 2.Sd3#
        • 2.Sxe2#
        • 2.Sh5#
      • 1...Re3
        • 2.Sg2#
        • 2.Sh5#
      • 1...Re4
        • 2.Sh5#
      • 1...Re5
        • 2.Sg2#
        • 2.Sd3#
      • 1...Se3
        • 2.Sd3#
        • 2.Se2#
        • 2.Sh5#
      • 1...Sxc6!
    • 1.Bxd6+?
      • 1...Re5
        • 2.Bxe5#
      • 1...Qxd6!
  • Keys
    • 1.Re5!
      • threat
        • 2.Qd4#
      • 1...dxe5+
        • 2.c5#
      • 1...d5+
        • 2.Re7#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Qxf5
        • 2.Rxf5#
      • 1...Rxe5
        • 2.Qf2#
      • 1...Sxd2
        • 2.Qe3#
      • 1...Sxh2
        • 2.Qe3#
      • 1...Sxg3
        • 2.Qe3#
      • 1...Se6
        • 2.Re4#
      • 1...c5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • Q(i);OGATE,XP(J)::R1(I),XQ(i)
    • R(h);SBLOCK::S(F)
  • Tries
    • Try
      • B(L);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • R(h);XS(A)::S(F)
        • S(a);XP(B)::S(A)
        • S(a);XP(C)::S(F)
        • R(h);::S(F)
      • Refutation
        • S(g);XB(L)
    • Try
      • B(M);CHECK,XP(f)
      • Vars
        • R(h);N_GUARD,P_SPINR(h)::B(M),XR(h)
      • Refutation
        • Q(i);P_PINR(I),XB(M)
  • Actual
    • R(I);N_PINP(f)
    • Threat
      • QAR2(K)
    • Vars
      • P(f);CHECK,P_SPINP(f),XR(I)::R(G)+P(H)
      • P(f);CHECK,OGATEB::B(M)+R(I)
      • K(b);P_SPINP(f),S_FLIGHT,XR(I)::QAB1(K)
      • Q(i);OGATE,XP(J)::R1(I),XQ(i)
      • R(h);SBLOCK,XR(I)::QAR2(K)
      • S(a);N_GUARD,XP(B)::QAB1(K)
      • S(a);N_GUARD,XP(C)::QAB1(K)
      • S(a);N_GUARD,XS(F)::QAB1(K)
      • S(g);S_CUTR(h)::R1(I)
      • P(e);::S(A)
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