MESON Chess Problem Database

Problem Display
PID: 6687 (8/1b6/1r5p/3pRB1k/5P1p/4N2K/7R/b3B3 w - - 0 1)

Paalanen, Erkki

1st Prize, Suomen Shakki, 1932

8/1b6/1r5p/3pRB1k/5P1p/4N2K/7R/b3B3

#2

7 + 7

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Bb1#
      • 2.Bc2#
      • 2.Bd3#
      • 2.Be4#
      • 2.Bh7#
    • 1...Rg6
      • 2.Bg4#
    • 1...d4
      • 2.Bb1#
      • 2.Bc2#
      • 2.Bd3#
      • 2.Be4#
      • 2.Bh7#
  • Keys
    • 1.Kg2!
      • threat
        • 2.Rxh4#
      • 1...Rb2+
        • 2.Bc2#
      • 1...Rg6+
        • 2.Bg4#
      • 1...h3+
        • 2.Rxh3#
      • 1...d4+
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK::R(F)+B(G),DCHECK
  • Actual
    • K(D);P_PINP(b),S_FLIGHT
    • Threat
      • R1(B),XP(b)
    • Vars
      • R(e);CHECK,S_CUTB(a)::R(F)+B(G)
      • R(e);CHECK,SBLOCK::R(F)+B(G),DCHECK
      • P(b);CHECK,OGATEB::R(B),XP(b)
      • P(c);CHECK,S_CUTB(a)::R(F)+B(G)
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