MESON Chess Problem Database

Problem Display
PID: 102249 (K2R4/1n1b4/8/8/6N1/3N4/Q1Pbk3/2R4B w - - 0 1)

Scheel, Johan

Nya Dagligt Allehanda, 1931

K2R4/1n1b4/8/8/6N1/3N4/Q1Pbk3/2R4B

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6+?
      • 1...Be3
        • 2.Qxe3#
      • 1...Bxe6!
    • 1.c4?
      • threat
        • 2.Sf4#
      • 1...Bxg4
        • 2.Re1#
      • 1...Kxd3!
  • Keys
    • 1.c3!
      • threat
        • 2.Sf4#
      • 1...Kxd3
        • 2.Qa6#
      • 1...Bxg4
        • 2.Re1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR1(C),XB(a)
      • Refutation
        • B(d);XQ(C)
    • Try
      • P(D);P_PINB(a)
      • Threat
        • S(E)
      • Vars
        • B(d);XS(F)::R1(A)
      • Refutation
        • K(b);N_SPINB(a),P_SPINB(d),S_FLIGHT,XS(E)
  • Actual
    • P(D);P_PINB(a)
    • Threat
      • S(E)
    • Vars
      • K(b);N_SPINB(a),OGATEB,P_SPINB(d),S_FLIGHT,XS(E)::QAB(C)
      • B(d);XS(F)::R1(A)
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