MESON Chess Problem Database

Problem Display
PID: 225436 (nrkb4/1p1b3R/1p1p4/1Nn2N2/6RB/6PK/2B4P/2Qr4 w - - 0 1)

Cuppini, Alessandro

Praca, 1994

nrkb4/1p1b3R/1p1p4/1Nn2N2/6RB/6PK/2B4P/2Qr4

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc1
      • 2.Sfxd6#
    • 1...Re1
      • 2.Sfxd6#
    • 1...Rf1
      • 2.Sfxd6#
    • 1...Rg1
      • 2.Sfxd6#
    • 1...Rh1
      • 2.Sfxd6#
    • 1...Bxf5
      • 2.Sa7#
      • 2.Bxf5#
    • 1...Bc6
      • 2.Sa7#
    • 1...Be6
      • 2.Sa7#
    • 1...Be8
      • 2.Sa7#
    • 1...Bc7
      • 2.Sa7#
    • 1...Sd3
      • 2.Sfxd6#
    • 1...Sc7
      • 2.Sa7#
    • 1...d5
      • 2.Sfd6#
  • Keys
    • 1.Rg8!
      • threat
        • 2.Rxd8#
      • 1...Bxf5+
        • 2.Bxf5#
      • 1...Be8
        • 2.Sa7#
      • 1...Se6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • R(a);N_GUARD,XQ(A)::S(I),XP(d)
    • R(a);N_GUARD::S(I),XP(d)
    • R(a);N_GUARD,P_PINP(C)::S(I),XP(d)
    • B(f);::S(H)
    • B(j);SBLOCK::S(H)
    • S(b);S_CUTR(a)::S(I),XP(d)
    • S(g);SBLOCK::S(H)
    • P(d);S_CUTR(a)::S(I)
  • Actual
    • R(F);P_PINB(j),P_SPINS(I)
    • Threat
      • R1(F),XB(j)
    • Vars
      • B(f);CHECK,OGATE,XS(I)::B(B),XB(f)
      • B(f);N_PINS(I),N_SPINB(j)::S(H)
      • S(b);N_PINS(I)::S(I)
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