MESON Chess Problem Database

Problem Display
PID: 202227 (8/2p5/1PQ3Pp/4k1bR/1pK1prP1/1P2N2p/3P3B/8 w - - 0 1)

Lindberger, Orjan

Springaren, 1988

8/2p5/1PQ3Pp/4k1bR/1pK1prP1/1P2N2p/3P3B/8

#2

10 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Kxb4?
      • 1...Kd4
        • 2.Qd5#
        • 2.Qc3#
      • 1...cxb6!
    • 1.Kb5?
      • 1...Kd4
        • 2.Qd5#
      • 1...cxb6!
    • 1.Sd1?
      • 1...e3+
        • 2.d4#
      • 1...cxb6!
    • 1.Sf1?
      • 1...e3+
        • 2.d4#
      • 1...cxb6!
    • 1.Sc2?
      • 1...e3+
        • 2.d4#
      • 1...cxb6!
    • 1.Qe8+?
      • 1...Kd6
        • 2.Sf5#
      • 1...Kf6!
  • Keys
    • 1.Sf5!
      • 1...e3+
        • 2.d4#
      • 1...cxb6
        • 2.Qd6#
      • 1...Bh4
        • 2.Sxh4#
      • 1...Bf6
        • 2.Qd5#
      • 1...Be7
        • 2.Sxe7#
      • 1...Bd8
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT,XP(b)
      • Refutation
        • P(h);XP(H)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(e);N_SPINB(f),N_SPINR(d),S_FLIGHT::QAR1(I)
      • Refutation
        • P(h);XP(H)
    • Try
      • S(D);
      • Vars
        • P(c);CHECK,N_GUARD::P(A)
      • Refutation
        • P(h);XP(H)
    • Try
      • S(D);
      • Vars
        • P(c);CHECK,N_GUARD::P(A)
      • Refutation
        • P(h);XP(H)
    • Try
      • S(D);
      • Vars
        • P(c);CHECK,N_GUARD::P(A)
      • Refutation
        • P(h);XP(H)
    • Try
      • Q(I);CHECK
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::S(D)
      • Refutation
        • K(e);N_SPINB(f),N_SPINR(d),S_FLIGHT
  • Actual
    • S(D);N_PINB(f)
    • Vars
      • P(c);CHECK,N_GUARD::P(A)
      • P(h);N_GUARD,XP(H)::QAB1(I)
      • B(f);::R(G)+S(D),XB(f)
      • B(f);SBLOCK::QAR1(I)
      • B(f);::R(G)+S(D)
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