MESON Chess Problem Database
Problem Display
PID: 133008 (1B6/R5b1/4P3/2n2PnK/1PpkPNQR/2N4p/1p1PB3/1q6 w - - 0 1)
Mira-Kraft, Edwin
Heilbronner Stimme, 1999
#2
13 + 8
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Qg1#
- 1...Qc2
- 2.Qg1#
- 1...Qxe4
- 2.Sb5#
- 1...Qg1
- 2.Qxg1#
- 1...Sb3
- 2.Rd7#
- 1...Sd3
- 2.Rd7#
- 1...Sa4
- 2.Rd7#
- 1...Scxe4
- 2.Sb5#
- 1...Sa6
- 2.Rd7#
- 1...Scxe6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Sgxe4
- 2.Sb5#
- 1...Qa2
- Tries
- 1.Sg2?
- threat
- 2.Sb5#
- 1...Scxe4
- 2.Rd7#
- 1...Sgxe4
- 2.Qxg7#
- 1...Qxe4!
- threat
- 1.Sd3?
- threat
- 2.Sb5#
- 1...Scxe4
- 2.Rd7#
- 1...Sgxe4
- 2.Qxg7#
- 1...cxd3!
- threat
- 1.Sfd5?
- threat
- 2.Sb5#
- 1...Qxe4
- 2.Qg1#
- 1...Sgxe4
- 2.Qxg7#
- 1...Scxe4!
- threat
- 1.Sg6?
- threat
- 2.Sb5#
- 1...Qxe4
- 2.Qg1#
- 1...Scxe4
- 2.Rd7#
- 1...Sgxe4!
- threat
- 1.Bf3?
- threat
- 2.Sce2#
- 2.Sb5#
- 1...Qxe4
- 2.Sb5#
- 1...Qd3
- 2.Sb5#
- 1...Qd1
- 2.Sb5#
- 1...Qe1
- 2.Sb5#
- 1...Qf1
- 2.Sb5#
- 1...Sxf3!
- threat
- 1.Qf3?
- threat
- 2.Sb5#
- 2.Qf2#
- 2.Qe3#
- 1...Qxe4
- 2.Sb5#
- 1...Scxe4
- 2.Sb5#
- 2.Qe3#
- 1...Sgxe4
- 2.Sb5#
- 2.Qe3#
- 1...Qd3
- 2.Sb5#
- 1...Qe1
- 2.Sb5#
- 2.Qe3#
- 1...Qf1
- 2.Sb5#
- 2.Qe3#
- 1...Qg1
- 2.Sb5#
- 1...Sd3
- 2.Sb5#
- 2.Rd7#
- 2.Qe3#
- 1...Sxf3!
- threat
- 1.Qg2?
- threat
- 2.Sb5#
- 2.Qf2#
- 1...Qxe4
- 2.Sb5#
- 1...Scxe4
- 2.Sb5#
- 1...Sgxe4
- 2.Sb5#
- 1...Qd3
- 2.Sb5#
- 1...Qe1
- 2.Sb5#
- 1...Qf1
- 2.Sb5#
- 1...Qg1
- 2.Sb5#
- 2.Qxg1#
- 1...Sd3
- 2.Sb5#
- 2.Rd7#
- 1...Sf3
- 2.Qf2#
- 1...hxg2!
- threat
- 1.Qg3?
- threat
- 2.Qf2#
- 2.Qe3#
- 1...Qxe4
- 2.Sb5#
- 1...Scxe4
- 2.Sb5#
- 2.Qe3#
- 1...Sgxe4
- 2.Sb5#
- 2.Qe3#
- 1...Qe1
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qg1
- 2.Qxg1#
- 1...Sd3
- 2.Rd7#
- 2.Qe3#
- 1...Sf3
- 2.Qf2#
- 1...Qd3!
- threat
- 1.Sg2?
- Keys
- 1.Sxh3!
- threat
- 2.Sb5#
- 1...Qxe4
- 2.Qg1#
- 1...Scxe4
- 2.Rd7#
- 1...Sgxe4
- 2.Qxg7#
- threat
- 1.Sxh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::QAB(G)
- Q(a);SBLOCK,XP(E)::S(C)
- Q(a);N_GUARD::QAB(G),XQ(a)
- S(f);N_GUARD::R(L)
- S(f);SBLOCK,XP(E)::S(C)
- S(f);N_GUARD,XP(K)::R(L)
- S(f);N_GUARD::R(L),XS(f)
- S(g);SBLOCK,XP(E)::S(C)
- Tries
- Try
- S(F);
- Threat
- S(C)
- Vars
- S(f);N_GUARD,P_SPINS(f),XP(E)::R(L)
- S(g);OGATE,P_SPINS(g),XP(E)::QAB(G),XB(h)
- Refutation
- Q(a);P_SPINQ(a),XP(E)
- Try
- S(F);
- Threat
- S(C)
- Vars
- S(f);N_GUARD,P_SPINS(f),XP(E)::R(L)
- S(g);OGATE,P_SPINS(g),XP(E)::QAB(G),XB(h)
- Refutation
- P(d);XS(F)
- Try
- S(F);
- Threat
- S(C)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XP(E)::QAB(G)
- S(g);OGATE,P_SPINS(g),XP(E)::QAB(G),XB(h)
- Refutation
- S(f);P_SPINS(f),XP(E)
- Try
- S(F);
- Threat
- S(C)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XP(E)::QAB(G)
- S(f);N_GUARD,P_SPINS(f),XP(E)::R(L)
- Refutation
- S(g);P_SPINS(g),XP(E)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(E)::S(C)
- Q(a);::S(C)
- Refutation
- S(g);XB(B)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- Q(a);XP(E)::S(C)
- Q(a);::S(C)
- Refutation
- S(g);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(E)::S(C)
- S(f);XP(E)::S(C)
- S(g);XP(E)::S(C)
- Q(a);::S(C)
- S(g);::QAB(G)
- Refutation
- P(c);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(a);SBLOCK,XP(E)::S(C)
- Q(a);::QAB1(G)
- Q(a);N_GUARD::QAB(G),XQ(a)
- S(g);::QAB(G)
- Refutation
- Q(a);
- Try
- Actual
- S(F);XP(c)
- Threat
- S(C)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XP(E)::QAB(G)
- S(f);N_GUARD,P_SPINS(f),XP(E)::R(L)
- S(g);OGATE,P_SPINS(g),XP(E)::QAB(G),XB(h)
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).