MESON Chess Problem Database

Problem Display
PID: 109471 (q2r4/b3R3/1nb2ppB/5k2/3P2p1/1N2P3/4B3/6K1 w - - 0 1)

Svedberg, John Arvid

Thema Danicum, 1985

q2r4/b3R3/1nb2ppB/5k2/3P2p1/1N2P3/4B3/6K1

#2

7 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Sxd4#
    • 1...Rd5
      • 2.Bd3#
      • 2.e4#
    • 1...Sd5
      • 2.Bd3#
      • 2.e4#
  • Keys
    • 1.d5!
      • threat
        • 2.Sd4#
        • 2.Bd3#
        • 2.e4#
      • 1...Rxd5
        • 2.e4#
      • 1...Bxd5
        • 2.Sd4#
      • 1...Sxd5
        • 2.Bd3#
      • 1...g5
        • 2.Bd3#
      • 1...Bb5
        • 2.Sd4#
        • 2.e4#
      • 1...Sa4
        • 2.Bd3#
      • 1...Sc4
        • 2.Bd3#
      • 1...Sd7
        • 2.Bd3#
      • 1...Sc8
        • 2.Bd3#
      • 1...g3
        • 2.Sd4#
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • R(i);XP(E)::S(C),XR(i)
  • Actual
    • P(E);
    • Threat
      • DUALS(3)
    • Vars
      • R(i);XP(E)::P(D)
      • B(d);XP(E)::S(C)
      • S(c);P_PINP(D),XP(E)::B(B)
      • P(f);::B(B)
      • S(c);P_PINP(D)::B(B)
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