MESON Chess Problem Database

Problem Display
PID: 23857 (K4B2/3R2p1/1PP3p1/2Np1pQr/p1NkbRP1/1r1P2n1/Bp1P4/6b1 w - - 0 1)

Mazul, Waldemar

1st Prize, Springaren, 1997

K4B2/3R2p1/1PP3p1/2Np1pQr/p1NkbRP1/1r1P2n1/Bp1P4/6b1

#2

13 + 12

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Se6#
    • 1...fxg4
      • 2.Rxd5#
  • Tries
    • 1.Se3?
      • threat
        • 2.Rxd5#
      • 1...Ke5
        • 2.Bxg7#
      • 1...Bxe3!
    • 1.Rxe4+?
      • 1...fxe4
        • 2.Rxd5#
      • 1...Sxe4!
    • 1.Qe7?
      • threat
        • 2.Bxg7#
        • 2.Qe5#
        • 2.Qxg7#
      • 1...Rh7
        • 2.Qe5#
      • 1...Rh8
        • 2.Qe5#
        • 2.Qxg7#
      • 1...fxg4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Bxg7#
      • 1...Rxd3
        • 2.Rxd5#
      • 1...fxg4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK,XP(C)::S(G)
    • P(i);XP(F)::R1(K),XP(h)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(K),XP(h)
      • Vars
        • K(f);N_SPINB(g),N_SPINP(h),P_SPINP(i),S_FLIGHT::B(M),XP(l)
      • Refutation
        • B(a);XS(D)
    • Try
      • R(E);CHECK,XB(g)
      • Vars
        • P(i);XR(E)::R1(K),XP(h)
      • Refutation
        • S(d);XR(E)
    • Try
      • Q(H);
      • Threat
        • DUALS(3)
      • Vars
        • R(j);::QAB1(H)
      • Refutation
        • P(i);XP(F)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(f);N_SPINB(g),N_SPINP(h),OGATEB,P_SPINP(i),S_FLIGHT,XS(D)::B(M),XP(l)
      • R(c);XP(C)::R1(K),XP(h)
      • P(i);XP(F)::S(G)
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