MESON Chess Problem Database

Problem Display
PID: 268193 (2N5/2q2Rb1/2p1r1n1/1pPkp3/pQ1B1pBp/7R/5KN1/8 w - - 0 1)

van den Berg, Roelof

Probleemblad, 1985

2N5/2q2Rb1/2p1r1n1/1pPkp3/pQ1B1pBp/7R/5KN1/8

#2

9 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke4
        • 2.Bf5#
      • 1...fxe3+!
    • 1.Sb6+?
      • 1...Ke4
        • 2.Ba1#
        • 2.Bb2#
        • 2.Bc3#
        • 2.Bf5#
      • 1...Qxb6!
    • 1.Ba1?
      • threat
        • 2.Rd3#
      • 1...f3
        • 2.Se3#
      • 1...e4!
    • 1.Bb2?
      • threat
        • 2.Rd3#
      • 1...f3
        • 2.Se3#
      • 1...e4!
    • 1.Bc3?
      • threat
        • 2.Rd3#
      • 1...f3
        • 2.Se3#
      • 1...e4!
    • 1.Bxe6+?
      • 1...Ke4
        • 2.Ba1#
        • 2.Bb2#
        • 2.Bc3#
      • 1...Kxe6!
  • Keys
    • 1.Bxe5!
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Rf5#
      • 1...Qxe5
        • 2.Sb6#
      • 1...Rxe5
        • 2.Rd3#
      • 1...Bxe5
        • 2.Bf3#
      • 1...Sxe5
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(e);S_CUTP(b),S_FLIGHT::B(F)
      • Refutation
        • P(b);CHECK,XS(B)
    • Try
      • S(I);CHECK
      • Refutation
        • Q(j);XS(I)
    • Try
      • B(E);
      • Threat
        • R(C)
      • Vars
        • P(b);N_GUARD::S(B)
      • Refutation
        • P(f);
    • Try
      • B(E);
      • Threat
        • R(C)
      • Vars
        • P(b);N_GUARD::S(B)
      • Refutation
        • P(f);
    • Try
      • B(E);
      • Threat
        • R(C)
      • Vars
        • P(b);N_GUARD::S(B)
      • Refutation
        • P(f);
    • Try
      • B(F);CHECK,XR(h)
      • Refutation
        • K(e);S_FLIGHT,XB(F)
  • Actual
    • B(E);XP(f)
    • Threat
      • QAR1(D)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XB(E)::R1(H)
      • Q(j);N_GUARD,SBLOCK,XB(E)::S(I)
      • R(h);SBLOCK,XB(E)::R(C)
      • B(k);SBLOCK,XB(E)::B(F)
      • S(i);N_GUARD,SBLOCK,XB(E)::S(B),XP(b)
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