MESON Chess Problem Database

Problem Display
PID: 97477 (8/8/1P6/QBP5/NN6/kppppp1p/qR5K/R1b1nbn1 w - - 0 1)

Battaglia, Emilio

2nd HM., Problemas, 1976

8/8/1P6/QBP5/NN6/kppppp1p/qR5K/R1b1nbn1

#2

9 + 12

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb2
      • 2.Sxc3#
    • 1...cxb2
      • 2.Sc3#
  • Tries
    • 1.Sxa2?
      • threat
        • 2.Sxc1#
        • 2.S2xc3#
        • 2.Sb4#
        • 2.Qb4#
      • 1...Bxb2
        • 2.S4xc3#
        • 2.Qb4#
      • 1...bxa2
        • 2.Raxa2#
        • 2.Qxc3#
        • 2.Qb4#
      • 1...cxb2
        • 2.S4c3#
        • 2.Qb4#
      • 1...Bd2
        • 2.Sc1#
        • 2.S2xc3#
        • 2.Sb4#
        • 2.Qb4#
      • 1...c2
        • 2.Sxc1#
        • 2.S2c3#
        • 2.Sb4#
        • 2.Qb4#
      • 1...Sc2!
    • 1.Rb1?
      • threat
        • 2.Sxc3#
      • 1...Qxb2+
        • 2.Sxb2#
      • 1...cxb2
        • 2.Sxb2#
        • 2.Sc3#
      • 1...c2
        • 2.Sc3#
      • 1...Qxb1!
  • Keys
    • 1.Bc4!
      • 1...Qxa1
        • 2.Rxb3#
      • 1...Bxb2
        • 2.Sxc3#
      • 1...cxb2
        • 2.Sc3#
      • 1...Sc2
        • 2.Rxb3#
      • 1...Bd2
        • 2.Rxb3#
      • 1...Be2
        • 2.Rxb3#
      • 1...Bg2
        • 2.Rxb3#
      • 1...Sg2
        • 2.Rxb3#
      • 1...Se2
        • 2.Rxb3#
      • 1...c2
        • 2.Rxb3#
      • 1...d2
        • 2.Rxb3#
      • 1...e2
        • 2.Rxb3#
      • 1...f2
        • 2.Rxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XR(B)::QAR(F)+S(D),XP(h)
    • P(h);SBLOCK,XR(B)::QAR(F)+S(D)
  • Tries
    • Try
      • S(E);N_SPINR(B),XQ(e)
      • Threat
        • DUALS(4)
      • Refutation
        • S(b);
    • Try
      • R(A);N_PINQ(e)
      • Threat
        • QAR(F)+S(D),XP(h)
      • Vars
        • Q(e);CHECK,XR(B)::QAR(F)+S(D),XQ(e)
        • P(h);N_PINR(B)::QAR(F)+S(D)
      • Refutation
        • Q(e);N_PINR(B),XR(A)
  • Actual
    • B(G);
    • Vars
      • Q(e);N_PINR(B),N_SPINQ(e),XR(A)::R1(B),XP(g)
      • B(a);SBLOCK,XR(B)::QAR(F)+S(D),XP(h)
      • P(h);SBLOCK,XR(B)::QAR(F)+S(D)
      • S(b);N_PINR(B)::R1(B),XP(g)
      • B(a);N_PINR(B)::R1(B),XP(g)
      • B(c);N_PINR(B)::R1(B),XP(g)
      • S(d);N_PINR(B)::R1(B),XP(g)
      • P(h);N_PINR(B)::R1(B),XP(g)
      • P(i);N_PINR(B)::R1(B),XP(g)
      • P(j);N_PINR(B)::R1(B),XP(g)
      • P(k);N_PINR(B)::R1(B),XP(g)
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