MESON Chess Problem Database

Problem Display
PID: 187589 (5B2/2K4p/Bp6/bp1P4/b1NkP1R1/1p2p2r/4QP2/1N6 w - - 0 1)

Mira-Kraft, Edwin

Schwabische Zeitung, 2001

(First published on Sat Apr 14 2001)

5B2/2K4p/Bp6/bp1P4/b1NkP1R1/1p2p2r/4QP2/1N6

#2

10 + 9

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.fxe3#
    • 1...Rh2
      • 2.fxe3#
    • 1...Rh4
      • 2.fxe3#
    • 1...Rh5
      • 2.fxe3#
    • 1...Rh6
      • 2.fxe3#
    • 1...b4
      • 2.Qd1#
  • Tries
    • 1.Qd1+?
      • 1...Kxc4
        • 2.e5#
      • 1...Bd2!
    • 1.Qb2+?
      • 1...Kd3
        • 2.Se5#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Kxc4!
    • 1.Qxe3+?
      • 1...Kxc4
        • 2.Sa3#
      • 1...Rxe3!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc6#
      • 1...Kxe5
        • 2.Bg7#
      • 1...Rh6
        • 2.Sf3#
      • 1...b4
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::P(C),XP(b)
    • P(g);S_CUTB(f)::QAR(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(g),XS(D)::R(F)+P(E)
      • Refutation
        • B(f);P_SPINB(f)
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P-FLIGHT::S(D)
        • B(f);N_GUARD,P_SPINB(f)::QAB1(B),XB(f)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(g),XS(D)
    • Try
      • Q(B);CHECK,XP(b)
      • Vars
        • K(e);P-FLIGHT,P_SPINP(g),XS(D)::S(A)
      • Refutation
        • R(c);XQ(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(D)::B(J)
      • R(c);N_GUARD::S(D)
      • P(g);S_CUTB(f)::QAB(B)
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