MESON Chess Problem Database

Problem Display
PID: 193529 (q3b3/1np5/3p4/1P1N4/k4p2/1R2PP2/2BBK3/r1b2Q2 w - - 0 1)

Palkoska, Emil

HM., Tidskrift for Schack, 1915

q3b3/1np5/3p4/1P1N4/k4p2/1R2PP2/2BBK3/r1b2Q2

#2

9 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Qxa1#
    • 1...Ba3
      • 2.Rb1#
      • 2.Rb2#
    • 1...Bxb5+
      • 2.Rd3#
    • 1...Sa5
      • 2.Sc3#
    • 1...c5
      • 2.Sb6#
    • 1...c6
      • 2.Sb6#
  • Keys
    • 1.Kf2!
      • threat
        • 2.Qc4#
      • 1...fxe3+
        • 2.Rxe3#
      • 1...Bxd2
        • 2.Qxa1#
      • 1...Bxb5
        • 2.Rd3#
        • 2.Qxb5#
      • 1...Qa5
        • 2.Rc3#
      • 1...Ba3
        • 2.Rb1#
        • 2.Rb2#
      • 1...Sa5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(b);OGATE,XB(C)::QAR(A),XR(a)
    • B(i);CHECK,SBLOCK,XP(H)::B(B)+R(E)
    • S(f);SBLOCK::S(I)
    • P(g);N_GUARD::S(I)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • P(d);CHECK,OGATE,XP(F)::B(B)+R(E),XP(d)
      • B(b);OGATE,XB(C)::QAR(A),XR(a)
      • Q(h);SBLOCK::B(B)+R(E)
      • S(f);SBLOCK::S(I)
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