MESON Chess Problem Database

Problem Display
PID: 169894 (4R3/1n6/p5B1/b2N4/k1P5/3N4/KP4r1/8 w - - 0 1)

Breu Noguera, Jorge

SEPA, 1945

4R3/1n6/p5B1/b2N4/k1P5/3N4/KP4r1/8

#2

7 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.b3#
    • 1...Rxb2+
      • 2.Sxb2#
    • 1...Rg3
      • 2.b3#
    • 1...Rg4
      • 2.b3#
    • 1...Rg5
      • 2.b3#
    • 1...Rxg6
      • 2.b3#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sd6
      • 2.Sc5#
    • 1...Sd8
      • 2.Sc5#
  • Keys
    • 1.Re5!
      • threat
        • 2.Be8#
      • 1...Rxb2+
        • 2.Sxb2#
      • 1...Rxg6
        • 2.b3#
      • 1...Be1
        • 2.Sb6#
      • 1...Bd2
        • 2.Sb6#
      • 1...Bc3
        • 2.Sxc3#
        • 2.Sb6#
      • 1...Bb4
        • 2.Sb6#
      • 1...Bb6
        • 2.Sc3#
        • 2.Sxb6#
      • 1...Bc7
        • 2.Sc3#
      • 1...Bd8
        • 2.Sc3#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sd6
        • 2.Sc5#
      • 1...Sd8
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(a);N_PINP(B)::P(B)
    • R(a);CHECK,XP(B)::S(C),XR(a)
    • R(a);N_PINP(B),XB(F)::P(B)
    • S(e);N_GUARD::S(C),XS(e)
    • S(e);N_GUARD::S(C)
  • Actual
    • R(G);
    • Threat
      • B(F)
    • Vars
      • R(a);CHECK,XP(B)::S(C),XR(a)
      • R(a);N_PINP(B),XB(F)::P(B)
      • B(c);N_GUARD::S(E)
      • B(c);N_GUARD,N_PINP(B)::S(E)
      • S(e);N_GUARD::S(C),XS(e)
      • S(e);N_GUARD::S(C)
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