MESON Chess Problem Database

Problem Display
PID: 243548 (6Bq/1QNn4/pp1Bpr2/2P2pp1/3k2PP/KP1pRR1p/1P3P2/2n1r3 w - - 0 1)

Burda, Josef

Sachove umeni (Ceskoslovensky sach), 2014

6Bq/1QNn4/pp1Bpr2/2P2pp1/3k2PP/KP1pRR1p/1P3P2/2n1r3

#2

13 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.fxe3#
    • 1...Rf7
      • 2.Sxe6#
    • 1...Rf8
      • 2.Sxe6#
    • 1...Sa2
      • 2.Rxd3#
    • 1...Se2
      • 2.Rxd3#
    • 1...Sxc5
      • 2.Be5#
    • 1...fxg4
      • 2.Qe4#
    • 1...f4
      • 2.Qe4#
    • 1...gxh4
      • 2.Rf4#
    • 1...a5
      • 2.Sb5#
    • 1...e5
      • 2.Qd5#
  • Tries
    • 1.Rxf5?
      • threat
        • 2.Qe4#
      • 1...Sxc5
        • 2.Be5#
      • 1...exf5
        • 2.Qd5#
      • 1...Rxe3!
    • 1.gxf5?
      • threat
        • 2.Qe4#
      • 1...Rxe3
        • 2.fxe3#
      • 1...Sxc5
        • 2.Be5#
      • 1...exf5
        • 2.Qd5#
      • 1...Qxh4!
  • Keys
    • 1.hxg5!
      • threat
        • 2.Rf4#
      • 1...Rxe3
        • 2.fxe3#
      • 1...Sxc5
        • 2.Be5#
      • 1...fxg4
        • 2.Qe4#
      • 1...Se2
        • 2.Rxd3#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE,XR(E)::P(B),XR(b)
    • R(k);N_GUARD::S(L),XP(j)
    • S(a);N_GUARD::R1(E),XP(c)
    • S(l);N_GUARD,SBLOCK,XP(I)::B(J)
    • P(f);N_GUARD,XP(G)::QAR1(K)
    • P(f);N_GUARD::QAR1(K)
    • P(g);N_GUARD,XP(H)::R(F)
    • P(h);N_GUARD::S(L)
    • P(j);N_GUARD::QAR1(K)
  • Tries
    • Try
      • R(F);XP(f)
      • Threat
        • QAR1(K)
      • Vars
        • S(l);N_GUARD,SBLOCK,XP(I)::B(J)
        • P(j);N_GUARD,XR(F)::QAR1(K)
      • Refutation
        • R(b);XR(E)
    • Try
      • P(G);XP(f)
      • Threat
        • QAR1(K)
      • Vars
        • R(b);OGATE,XR(E)::P(B),XR(b)
        • S(l);N_GUARD,SBLOCK,XP(I)::B(J)
        • P(j);N_GUARD,XP(G)::QAR1(K)
      • Refutation
        • Q(m);XP(H)
  • Actual
    • P(H);XP(g)
    • Threat
      • R(F)
    • Vars
      • R(b);OGATE,XR(E)::P(B),XR(b)
      • S(l);N_GUARD,SBLOCK,XP(I)::B(J)
      • P(f);N_GUARD,XP(G)::QAR1(K)
      • S(a);N_GUARD::R1(E),XP(c)
      • P(f);N_GUARD::QAR1(K)
      • P(j);N_GUARD::QAR1(K)
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