MESON Chess Problem Database

Problem Display
PID: 5105 (B3b1N1/2npp3/1Brrp3/3Pk3/8/2p2PK1/1N6/7Q w - - 0 1)

Malmstrom, Albert Wilhelm

Aftonbladet, 1900

B3b1N1/2npp3/1Brrp3/3Pk3/8/2p2PK1/1N6/7Q

#2

8 + 9

5424 Versunkene Schatze 1998

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.f4#
    • 1...Bh5
      • 2.Qxh5#
  • Tries
    • 1.Qe1+?
      • 1...Kxd5
        • 2.Sxe7#
        • 2.Qe4#
      • 1...Kf5!
    • 1.Qh8+?
      • 1...Kxd5
        • 2.Sxe7#
        • 2.Qd4#
      • 1...Kf5!
  • Keys
    • 1.Kg4!
      • threat
        • 2.f4#
      • 1...Rc4+
        • 2.Sxc4#
      • 1...Bh5+
        • 2.Qxh5#
      • 1...Kxd5
        • 2.f4#
      • 1...Rxb6
        • 2.Qh8#
      • 1...Rxd5
        • 2.Qh2#
      • 1...Sxd5
        • 2.Sd3#
      • 1...exd5
        • 2.Qe1#
      • 1...Rc5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINR(c),XP(E)::QAB(A)+P(C)
    • B(i);N_GUARD::QAR(A),XB(i)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • P(C)
    • Vars
      • R(c);CHECK,N_GUARD::S(B),XR(c)
      • B(i);CHECK,N_GUARD::QAR(A),XB(i)
      • K(b);P-FLIGHT,P_SPINR(c),XP(E)::QAB(A)+P(C)
      • R(c);XB(F)::QAB(A)
      • R(d);SBLOCK,XP(E)::QAB(A)
      • S(f);SBLOCK,XP(E)::S(B)
      • P(e);SBLOCK,XP(E)::QAR(A)
      • R(c);::QAB(A)
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