MESON Chess Problem Database

Problem Display
PID: 266482 (6nK/7p/3B3Q/2NB1p1q/p2kp3/2N3r1/4b3/4n3 w - - 0 1)

Mironov, Vassily Alekseevich

Mat, 1980

6nK/7p/3B3Q/2NB1p1q/p2kp3/2N3r1/4b3/4n3

#2

6 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kxc3
        • 2.Qd2#
      • 1...Kd3
        • 2.Qd2#
      • 1...axb3!
    • 1.Be5+?
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5!
  • Keys
    • 1.Qd2+!
      • 1...Rd3
        • 2.Se6#
      • 1...Bd3
        • 2.Se6#
      • 1...Sd3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(A)::QAB1(E)
        • K(e);P-FLIGHT::QAR1(E)
      • Refutation
        • P(d);XS(B)
    • Try
      • B(D);CHECK
      • Vars
        • K(e);N_GUARD,S_FLIGHT,XS(B)::QAB1(E)
      • Refutation
        • K(e);S_FLIGHT,XB(D)
  • Actual
    • Q(E);CHECK
    • Vars
      • R(c);P_SPINR(c)::S(B)
      • B(b);P_SPINB(b)::S(B)
      • S(a);P_SPINS(a)::S(B)
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