MESON Chess Problem Database
Problem Display
PID: 166034 (b3R3/1NQK1p1B/1bN3pr/2p1Pn2/2P1kp2/5p2/1B3P2/3R4 w - - 0 1)
Forster, Klaus
3rd HM., Die Schwalbe 178. (Ahues MT) TT, 2017
#2
11 + 10
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Sxc5#
- 1...Bxc7
- 2.Sxc5#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Ba5
- Tries
- 1.Sd4?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Sxd4
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...g5
- 2.Bxf5#
- 1...Se7!
- threat
- 1.Sca5?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...g5!
- threat
- 1.Sa7?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...g5!
- threat
- 1.Se7?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe7
- 2.Sd6#
- 1...g5
- 2.Bxf5#
- 1...Se3
- 2.Sd6#
- 1...Sd4!
- threat
- 1.Sb8?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...g5!
- threat
- 1.Scd8?
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...g5!
- threat
- 1.Qxb6?
- threat
- 2.Sxc5#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Bxb7!
- threat
- 1.Qd6?
- threat
- 2.Qd3#
- 2.Qd5#
- 1...Sxd6
- 2.Sxd6#
- 1...Se3
- 2.Qd3#
- 1...Sg3
- 2.Qd3#
- 1...Sh4
- 2.Qd3#
- 1...Se7
- 2.Qd3#
- 1...Sg7
- 2.Qd3#
- 1...Sd4!
- threat
- 1.e6?
- threat
- 2.Qe5#
- 1...Bxc7
- 2.Sxc5#
- 1...Sd6
- 2.Sxd6#
- 1...f6!
- threat
- 1.Sd4?
- Keys
- 1.Sb4!
- threat
- 2.Qc6#
- 1...Bxc7
- 2.Sxc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sh4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...g5
- 2.Re1#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(f);N_GUARD::S(G),XP(d)
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Tries
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g),XS(F)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- P(g);OGATE,P_SPINS(e)::B(J),XS(e)
- Refutation
- S(e);P_SPINP(g)
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- P(g);P_SPINS(e)
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- P(g);P_SPINS(e)
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g),XS(F)::S(G)
- P(g);OGATE,P_SPINS(e)::B(J),XS(e)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- Refutation
- S(e);P_SPINP(g)
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- P(g);P_SPINS(e)
- Try
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- P(g);P_SPINS(e)
- Try
- Q(H);XB(f)
- Threat
- S(G),XP(d)
- Vars
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- B(j);XS(G)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(e);P_SPINP(g),XQ(H)::S(G),XS(e)
- S(e);P_SPINP(g)::QAB1(H)
- Refutation
- S(e);P_SPINP(g)
- Try
- P(E);
- Threat
- QAR1(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- Refutation
- P(i);
- Try
- Actual
- S(F);
- Threat
- QAB(H)
- Vars
- B(f);N_GUARD,XQ(H)::S(G),XP(d)
- B(j);OGATE,XS(G)::QAB(H),XB(j)
- S(e);N_GUARD,P_SPINP(g)::S(G)
- S(e);N_GUARD,P_SPINP(g)::S(G),XS(e)
- P(g);P_SPINS(e)::R(A)
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).