MESON Chess Problem Database

Problem Display
PID: 227557 (8/8/1K6/1N6/kp1p3R/8/1PP5/nN2b1R1 w - - 0 1)

Rovere, Vittorio

Il Secolo, 1926

8/8/1K6/1N6/kp1p3R/8/1PP5/nN2b1R1

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.S1c3+?
      • 1...Bxc3
        • 2.Rxa1#
      • 1...bxc3
        • 2.Rxd4#
      • 1...dxc3!
  • Keys
    • 1.Sd2!
      • 1...Bxd2
        • 2.Rxa1#
      • 1...Bxh4
        • 2.Rxa1#
      • 1...Sxc2
        • 2.b3#
      • 1...b3
        • 2.Rxd4#
      • 1...Bf2
        • 2.Rxa1#
      • 1...Bg3
        • 2.Rxa1#
      • 1...Sb3
        • 2.cxb3#
      • 1...d3
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • B(b);OGATE,XS(A)::R(B),XS(a)
        • P(d);P_SPINP(e),S_CUTB(b),XS(A)::R(E),XP(e)
      • Refutation
        • P(e);P_SPINP(d),XS(A)
  • Actual
    • S(A);
    • Vars
      • B(b);OGATE,XS(A)::R(B),XS(a)
      • B(b);OGATE,SBLOCK,XR(E)::R(B),XS(a)
      • S(a);N_GUARD,XP(D)::P(C)
      • P(d);OGATEB,P_SPINP(e)::R(E),XP(e)
      • B(b);OGATE::R(B),XS(a)
      • S(a);OGATE::P(D),XS(a)
      • P(e);N_GUARD,P_SPINP(d)::S(F)
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