MESON Chess Problem Database

Problem Display
PID: 93406 (7r/6Bb/7p/2rp4/1q2Pk2/2nR4/1b2Q1P1/7K w - - 0 1)

Aleshin, Igor Alexandrovich

Shakhmaty v SSSR, 1940

7r/6Bb/7p/2rp4/1q2Pk2/2nR4/1b2Q1P1/7K

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qh4#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Qxe4
        • 2.Bxh6#
      • 1...Bxe4
        • 2.Be5#
      • 1...Sxe4
        • 2.Rf3#
      • 1...dxe4
        • 2.g3#
      • 1...Bf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(d);P-FLIGHT,XP(E)::QAB1(B)
      • Q(c);P_PINP(C),SBLOCK,XP(E)::B(F),XP(g)
      • B(h);P_PINP(C),SBLOCK,XP(E)::B(F)
      • S(b);SBLOCK,XP(E)::R1(D)
      • P(f);SBLOCK,XP(E)::P(C)
      • B(h);N_GUARD::QAR1(B),XB(h)
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