MESON Chess Problem Database

Problem Display
PID: 163719 (1Bn1K2Q/r1PBN1p1/1nPk1b2/qpp2R2/2PN4/6R1/6b1/8 w - - 0 1)

Cuppini, Alessandro

Landeszeitung fur die Luneburger Heide, 1996

(First published on Sat Nov 16 1996)

1Bn1K2Q/r1PBN1p1/1nPk1b2/qpp2R2/2PN4/6R1/6b1/8

#2

11 + 10

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Sxb5#
    • 1...Qd2
      • 2.Sxb5#
    • 1...Qc3
      • 2.Sxb5#
    • 1...Qa1
      • 2.Sxb5#
    • 1...Qa2
      • 2.Sxb5#
    • 1...Qa3
      • 2.Sxb5#
    • 1...Sa4
      • 2.Sxc8#
    • 1...Sxc4
      • 2.Sxc8#
    • 1...Sd5
      • 2.Sxc8#
    • 1...Sxd7
      • 2.Sxc8#
    • 1...Sa8
      • 2.Sxc8#
    • 1...Sxe7
      • 2.c8S#
    • 1...cxd4
      • 2.c5#
    • 1...g5
      • 2.Qxf6#
    • 1...g6
      • 2.Qxf6#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Sxb5#
      • 1...Bxd4
        • 2.Qh2#
      • 1...Sxd7
        • 2.Sxc8#
      • 1...bxc4
        • 2.Sb5#
      • 1...cxd4
        • 2.c5#
      • 1...Sd5
        • 2.Sxc8#
      • 1...b4
        • 2.Sb5#
      • 1...Bd5!
    • 1.Rg6?
      • threat
        • 2.Qh2#
      • 1...Sxc4
        • 2.Sxc8#
      • 1...Sxd7
        • 2.Sxc8#
      • 1...Qe1
        • 2.Sxb5#
      • 1...Qd2
        • 2.Sxb5#
      • 1...Qc3
        • 2.Sxb5#
      • 1...Qa3
        • 2.Sxb5#
      • 1...Sd5
        • 2.Sxc8#
      • 1...Bh3!
    • 1.Rxf6+?
      • 1...gxf6
        • 2.Qxf6#
      • 1...Ke5!
    • 1.Qh2?
      • threat
        • 2.Rg6#
      • 1...Sxc4
        • 2.Sxc8#
      • 1...Sxd7
        • 2.Sxc8#
      • 1...Qe1
        • 2.Sxb5#
      • 1...Qd2
        • 2.Sxb5#
      • 1...Qc3
        • 2.Sxb5#
      • 1...Qa3
        • 2.Sxb5#
      • 1...Bg5
        • 2.Rgxg5#
      • 1...Sd5
        • 2.Sxc8#
      • 1...g6
        • 2.Rxg6#
      • 1...g5!
    • 1.Qg8?
      • threat
        • 2.Qe6#
      • 1...Qe1
        • 2.Sxb5#
      • 1...Bd5!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Sxc8#
      • 1...Bxe7
        • 2.Rg6#
      • 1...Sxe7
        • 2.c8S#
      • 1...Qe1
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • Q(b);N_GUARD,P_PINS(H)::S(C),XP(c)
    • Q(b);N_GUARD::S(C),XP(c)
    • S(e);N_GUARD::S(H),XS(j)
    • S(e);N_GUARD,XP(B)::S(H),XS(j)
    • S(e);N_GUARD,XB(G)::S(H),XS(j)
    • S(j);OGATE,XS(H)::P=S
    • P(d);OGATE,XS(C)::P(B)
    • P(i);OGATE::QAR2(K),XB(g)
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)+S(C),DCHECK,XP(c)
      • Vars
        • B(g);N_GUARD,P_SPINB(g),XS(C)::QAB(K)
        • S(e);N_GUARD,XB(G)::S(H),XS(j)
        • P(c);XP(B)::R(A)+S(C),DCHECK
        • P(d);OGATE,P_SPINP(d),XS(C)::P(B)
        • S(e);N_GUARD::S(H),XS(j)
        • P(c);::R(A)+S(C),DCHECK
      • Refutation
        • B(a);
    • Try
      • R(A);P_PINB(g)
      • Threat
        • QAB(K)
      • Vars
        • S(e);N_GUARD,XP(B)::S(H),XS(j)
        • S(e);N_GUARD,XB(G)::S(H),XS(j)
        • Q(b);N_GUARD,P_PINS(H)::S(C),XP(c)
        • Q(b);N_GUARD::S(C),XP(c)
        • S(e);N_GUARD::S(H),XS(j)
      • Refutation
        • B(a);
    • Try
      • R(D);CHECK,XB(g)
      • Vars
        • P(i);OGATE,XR(D)::QAR2(K),XP(i)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(K);
      • Threat
        • QAB(K)+R(A)
      • Vars
        • S(e);N_GUARD,XP(B)::S(H),XS(j)
        • S(e);N_GUARD,XB(G)::S(H),XS(j)
        • Q(b);N_GUARD,P_PINS(H)::S(C),XP(c)
        • Q(b);N_GUARD::S(C),XP(c)
        • B(g);N_GUARD::QAB(K)+R(A),XB(g)
        • S(e);N_GUARD::S(H),XS(j)
        • P(i);::QAB(K)+R(A),XP(i)
      • Refutation
        • P(i);
    • Try
      • Q(K);
      • Threat
        • QAR1(K)
      • Vars
        • Q(b);N_GUARD,P_PINS(H)::S(C),XP(c)
      • Refutation
        • B(a);
  • Actual
    • Q(K);
    • Threat
      • QAB(K)+S(H),DCHECK,XS(j)
    • Vars
      • B(g);OGATEB,P_SPINB(g),XS(H)::R(A)
      • S(j);OGATE,P_SPINS(j),XS(H)::P=S
      • Q(b);N_GUARD,P_PINS(H)::S(C),XP(c)
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