MESON Chess Problem Database
Problem Display
PID: 235406 (4qrB1/b1B2n2/5R2/N2PP2R/1P1kN1b1/n1pP1p2/Q1P2K2/8 w - - 0 1)
Paslack, Rainer
Gaudium, 2013
#2
13 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Sxc6#
- 1...Qxe5
- 2.Sc6#
- 1...Qe7
- 2.Sc6#
- 1...Qb8
- 2.Sc6#
- 1...Qc8
- 2.Sc6#
- 1...Qd8
- 2.Sc6#
- 1...Bb6
- 2.Bxb6#
- 1...Bb8
- 2.Bb6#
- 1...Sb1
- 2.Qc4#
- 1...Sxc2
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb5
- 2.Qc4#
- 1...Sxe5
- 2.Sb3#
- 1...Sg5
- 2.Sb3#
- 1...Sd6
- 2.Sb3#
- 1...Sh6
- 2.Sb3#
- 1...Sd8
- 2.Sb3#
- 1...Sh8
- 2.Sb3#
- 1...Qc6
- Tries
- 1.Sd2?
- threat
- 2.Rf4#
- 1...Qxe5
- 2.Sc6#
- 1...Sxc2
- 2.Qc4#
- 1...Sxe5
- 2.Sdb3#
- 2.Sab3#
- 1...Sc4
- 2.Qxc4#
- 1...Bf5
- 2.Sxf3#
- 1...Sg5
- 2.Sdb3#
- 2.Sab3#
- 1...Sd6
- 2.Sdb3#
- 2.Sab3#
- 1...Sh6
- 2.Sdb3#
- 2.Sab3#
- 1...Sd8
- 2.Sdb3#
- 2.Sab3#
- 1...Sh8
- 2.Sdb3#
- 2.Sab3#
- 1...cxd2!
- threat
- 1.Sc5?
- threat
- 2.Rf4#
- 1...Qxe5
- 2.Sc6#
- 1...Sxe5
- 2.Sab3#
- 2.Scb3#
- 1...Sc4
- 2.Qxc4#
- 1...Sg5
- 2.Sab3#
- 2.Scb3#
- 1...Sd6
- 2.Sab3#
- 2.Scb3#
- 1...Sh6
- 2.Sab3#
- 2.Scb3#
- 1...Sd8
- 2.Sab3#
- 2.Scb3#
- 1...Sh8
- 2.Sab3#
- 2.Scb3#
- 1...Bf5!
- threat
- 1.Sg5?
- threat
- 2.Rf4#
- 1...Qxe5
- 2.Sc6#
- 1...Sxc2
- 2.Qc4#
- 1...Sxe5
- 2.Sb3#
- 1...Sxg5
- 2.Sb3#
- 1...Sc4
- 2.Qxc4#
- 1...Bf5
- 2.Sxf3#
- 1...Sh6
- 2.Sb3#
- 1...Sd8
- 2.Sb3#
- 1...Sh8
- 2.Sb3#
- 1...Sd6!
- threat
- 1.Sd6?
- threat
- 2.Rf4#
- 1...Qxe5
- 2.Sc6#
- 1...Bxh5
- 2.Sf5#
- 1...Sxc2
- 2.Qc4#
- 1...Sxe5
- 2.Sb3#
- 1...Sxd6
- 2.Sb3#
- 1...Bf5
- 2.Sxf5#
- 1...Sc4
- 2.Qxc4#
- 1...Sh6
- 2.Sb3#
- 1...Sd8
- 2.Sb3#
- 1...Sh8
- 2.Sb3#
- 1...Sg5!
- threat
- 1.Rf4?
- threat
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Qxe5
- 2.Sc6#
- 1...Bxh5
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 1...Sxc2
- 2.Sc5#
- 2.Qc4#
- 1...Sxe5
- 2.Sf6#
- 2.Sb3#
- 1...Sc4
- 2.Sf6#
- 2.Qxc4#
- 1...Bc5
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Sg5
- 2.Sb3#
- 1...Sd6
- 2.Sb3#
- 1...Sh6
- 2.Sf6#
- 2.Sb3#
- 1...Sd8
- 2.Sf6#
- 2.Sb3#
- 1...Sh8
- 2.Sf6#
- 2.Sb3#
- 1...Bf5!
- threat
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Rf4#
- 1...Qxe5
- 2.Sc6#
- 1...Sxc2
- 2.Qc4#
- 1...Sxe5
- 2.Sb3#
- 1...Sc4
- 2.Qxc4#
- 1...Bf5
- 2.Sxf5#
- 1...Sg5
- 2.Sb3#
- 1...Sd6
- 2.Sb3#
- 1...Sh6
- 2.Sb3#
- 1...Sd8
- 2.Sb3#
- 1...Sh8
- 2.Sb3#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(h);N_GUARD::S(G),XQ(h)
- Q(h);N_GUARD,XP(I)::S(G)
- Q(h);N_GUARD::S(G)
- B(f);N_GUARD::B(L),XB(f)
- B(f);N_GUARD::B(L)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD,XP(B)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(g);XP(I)::S(G)
- S(g);::S(G)
- Tries
- Try
- S(F);
- Threat
- R(K)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- S(a);N_GUARD,XP(B)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- B(e);N_GUARD::S(F),XP(c)
- Refutation
- P(b);XS(F)
- Try
- S(F);
- Threat
- R(K)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- B(e);
- Try
- S(F);
- Threat
- R(K)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- S(a);N_GUARD,XP(B)::QAR1(A)
- S(g);XP(I)::S(G)
- S(g);XS(F)::S(G)
- S(a);N_GUARD::QAR1(A),XS(a)
- B(e);N_GUARD::S(F),XP(c)
- S(g);::S(G)
- Refutation
- S(g);
- Try
- S(F);
- Threat
- R(K)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- B(e);N_GUARD,XR(J)::S(F)
- S(a);N_GUARD,XP(B)::QAR1(A)
- S(g);XP(I)::S(G)
- S(g);XS(F)::S(G)
- B(e);N_GUARD::S(F),XB(e)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(g);::S(G)
- Refutation
- S(g);
- Try
- R(K);
- Threat
- DUALS(6)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- S(g);::S(G)
- Refutation
- B(e);
- Try
- Actual
- S(F);
- Threat
- R(K)
- Vars
- Q(h);N_GUARD,XP(I)::S(G)
- S(a);N_GUARD,XP(B)::QAR1(A)
- S(g);XP(I)::S(G)
- S(a);N_GUARD::QAR1(A),XS(a)
- B(e);N_GUARD::S(F),XB(e)
- S(g);::S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).