MESON Chess Problem Database

Problem Display
PID: 271181 (K7/P3n3/pp1pN3/rP5R/pk2n1Rb/2N5/B3p3/4Q1Bb w - - 0 1)

Eliassen, Harald

Schackvarlden, 1936

K7/P3n3/pp1pN3/rP5R/pk2n1Rb/2N5/B3p3/4Q1Bb

#2

10 + 11

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Rxe4+?
      • 1...Ka3
        • 2.Qc1#
      • 1...Bxe4+!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sb1#
        • 2.Qb2#
      • 1...Ka3
        • 2.Sb1#
      • 1...Rxb5
        • 2.Sb1#
        • 2.Sxb5#
      • 1...e1Q
        • 2.Qb2#
      • 1...e1B
        • 2.Qb2#
      • 1...Be1
        • 2.Qb2#
      • 1...Bg5
        • 2.Qb2#
      • 1...Bf6
        • 2.Qb2#
      • 1...Sd5
        • 2.Qb2#
      • 1...Sf5
        • 2.Qb2#
      • 1...a3
        • 2.Qd4#
      • 1...d5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,P_SPINR(E),XS(e)
      • Vars
        • K(d);S_CUTB(a),S_FLIGHT::QAB(A)
      • Refutation
        • B(a);CHECK,XR(E)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);N_SPINS(e),S_FLIGHT::S(D)
      • P(b);::QAR2(A)
      • B(f);::QAR2(A)
      • S(k);::QAR2(A)
      • P(c);SBLOCK::QAR2(A)
      • P(j);::QAR2(A)
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