MESON Chess Problem Database

Problem Display
PID: 11287 (b4N2/p1r2Qq1/3k4/P2pR3/PR3P2/1Pr5/1BP5/K3b3 w - - 0 1)

Eriksson, Finn Olof

1st Prize, Sydsvenska Dagbladet Snallposten, 1937

b4N2/p1r2Qq1/3k4/P2pR3/PR3P2/1Pr5/1BP5/K3b3

#2

11 + 8

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qxd5#
    • 1...R3c5
      • 2.Re6#
      • 2.Qe6#
    • 1...R3c6
      • 2.Rxd5#
      • 2.Qxd5#
    • 1...R7c5
      • 2.Re6#
    • 1...R7c6
      • 2.Rxd5#
    • 1...d4
      • 2.Qe6#
  • Tries
    • 1.Rb6+?
      • 1...Kc5
        • 2.Se6#
      • 1...R3c6
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...R7c6
        • 2.Rxd5#
      • 1...Bc6
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...axb6!
    • 1.Rxd5+?
      • 1...Kc6
        • 2.Qe6#
      • 1...Bxd5!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Rb6#
      • 1...Kc5
        • 2.Rc4#
      • 1...Kc6
        • 2.Qxd5#
      • 1...Rxf7
        • 2.Rc4#
      • 1...Rd7
        • 2.Rc4#
      • 1...Re7
        • 2.Rc4#
      • 1...R3c5
        • 2.Qe6#
      • 1...R3c6
        • 2.Qxd5#
      • 1...R7c5
        • 2.Re6#
      • 1...R7c6
        • 2.Rxd5#
      • 1...Bc6
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT::QAB1(J),XP(c)
    • R(f);SBLOCK::R1(I)
    • R(f);SBLOCK,S_CUTB(h)::R1(I),XP(c)
    • P(c);::QAR1(J)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::S(K)
        • R(f);P_SPINR(f)::R1(I),XP(c)
      • Refutation
        • P(e);XR(F)
    • Try
      • R(I);CHECK,XP(c)
      • Vars
        • K(d);P-FLIGHT::QAR2(J)
      • Refutation
        • B(h);XR(I)
  • Actual
    • B(B);
    • Threat
      • B(B)+R(F),DCHECK
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::B(B)+R(F),DCHECK
      • K(d);P-FLIGHT::QAB1(J),XP(c)
      • R(f);N_GUARD,XQ(J)::B(B)+R(F)
      • R(f);N_GUARD::B(B)+R(F)
      • R(b);P_PINR(I),SBLOCK::QAR1(J)
      • R(b);P_PINR(I),S_CUTB(h)::QAR1(J),XP(c)
      • R(f);SBLOCK::R1(I)
      • R(f);SBLOCK,S_CUTB(h)::R1(I),XP(c)
      • B(h);S_CUTR(f)::B(B)+R(F)
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