MESON Chess Problem Database

Problem Display
PID: 149861 (4Qn2/1Rnb4/3p4/1P1NN2R/kB6/1pP2p2/1prpr2p/5B1K w - - 0 1)

Paslack, Rainer

1st Prize, Die Schwalbe, 2012

4Qn2/1Rnb4/3p4/1P1NN2R/kB6/1pP2p2/1prpr2p/5B1K

#2

10 + 12

23 Die Schwalbe 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sb6#
    • 1...Rf2
      • 2.Sb6#
    • 1...Rg2
      • 2.Sb6#
    • 1...Re3
      • 2.Sb6#
    • 1...Re4
      • 2.Sb6#
    • 1...Rxe5
      • 2.Sb6#
    • 1...Bh3
      • 2.Sb6#
    • 1...Bg4
      • 2.Sb6#
    • 1...Bxb5
      • 2.Sb6#
    • 1...Bf5
      • 2.Sb6#
    • 1...Be6
      • 2.Sb6#
    • 1...Bc8
      • 2.Sb6#
    • 1...Sxb5
      • 2.Sb6#
    • 1...Sxd5
      • 2.Qa8#
    • 1...Sce6
      • 2.Qa8#
    • 1...Sa8
      • 2.Qxa8#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Re5!
    • 1.Sxf3?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Rxc3!
    • 1.Sg4?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Rxc3!
    • 1.Sc6?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Bf5!
    • 1.Sg6?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Rxc3!
    • 1.Sxd7?
      • threat
        • 2.S5b6#
        • 2.S7b6#
      • 1...Rxc3
        • 2.S7b6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sxe8
        • 2.S5b6#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Sxd7!
    • 1.Sf7?
      • threat
        • 2.Sb6#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Sa8
        • 2.Qxa8#
      • 1...Rxc3!
    • 1.Ra7+?
      • 1...Kxb5
        • 2.Ra5#
        • 2.Qb8#
      • 1...Sa6!
    • 1.Qa8+?
      • 1...Sa6
        • 2.Qxa6#
      • 1...Sxa8!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sdb6#
      • 1...Rxc3
        • 2.Sxb2#
      • 1...Sxd5
        • 2.Qa8#
      • 1...Re5
        • 2.Scb6#
      • 1...Sa8
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • R(d);P_PINB(A)::S(F)
    • R(d);::S(F)
    • R(d);XS(G)::S(F)
    • B(k);::S(F)
    • B(k);P_SPINB(k),XP(E)::S(F)
    • S(j);SBLOCK,XP(E)::S(F)
    • S(j);N_GUARD,XS(F)::QAR(J)
    • S(j);N_GUARD::QAR(J)
    • S(j);N_GUARD::QAR(J),XS(j)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • R(d);
    • Try
      • S(G);XP(g)
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • R(b);XP(C)
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • R(b);XP(C)
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • B(k);
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • R(b);XP(C)
    • Try
      • S(G);XB(k)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XP(C)::S(G)
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);XQ(J)::S(F)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • S(l);XS(G)
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • S(j);N_GUARD,XS(F)::QAR(J)
        • S(j);N_GUARD::QAR(J),XS(j)
      • Refutation
        • R(b);XP(C)
    • Try
      • R(I);CHECK
      • Refutation
        • S(j);P_SPINS(j)
    • Try
      • Q(J);CHECK
      • Vars
        • S(j);N_GUARD,P_SPINS(j)::QAR2(J),XS(j)
      • Refutation
        • S(j);XQ(J)
  • Actual
    • S(G);
    • Threat
      • S(F)
    • Vars
      • R(b);N_GUARD,XP(C)::S(G),XP(a)
      • S(j);N_GUARD,XS(F)::QAR(J)
      • R(d);::S(G)
      • S(j);N_GUARD::QAR(J),XS(j)
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