MESON Chess Problem Database
Problem Display
PID: 150643 (1nq5/4N1p1/2np2R1/r3kP1N/p1P5/2K5/2QP4/8 w - - 0 1)
Barnes, Barry Peter
Die Schwalbe, 2013
#2
8 + 8
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5
- 2.Qxf5#
- 1...Qa6
- 2.Re6#
- 1...Qe6
- 2.Rxe6#
- 1...Qb7
- 2.Re6#
- 1...Qc7
- 2.Re6#
- 1...Qd8
- 2.Re6#
- 1...Qe8
- 2.Re6#
- 1...Qf8
- 2.Re6#
- 1...Qh8
- 2.Re6#
- 1...Sb4
- 2.d4#
- 1...Sa7
- 2.d4#
- 1...Sxe7
- 2.d4#
- 1...Sd8
- 2.d4#
- 1...Sd7
- 2.Re6#
- 1...Qxf5
- Tries
- 1.Sg3?
- threat
- 2.Qe4#
- 1...Kf4
- 2.Qe4#
- 1...Qxf5
- 2.Qxf5#
- 1...d5!
- threat
- 1.Sxc6+?
- 1...Qxc6
- 2.Re6#
- 2.d4#
- 1...Sxc6!
- 1...Qxc6
- 1.Sxc8?
- threat
- 2.Re6#
- 1...Sd8
- 2.d4#
- 1...Sd4!
- threat
- 1.Rg1?
- threat
- 2.Sg6#
- 2.Re1#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.Re1#
- 2.d4#
- 1...Qe6
- 2.Re1#
- 1...Qe8
- 2.Re1#
- 1...Sd4
- 2.Sg6#
- 1...g6
- 2.Sxg6#
- 2.Re1#
- 1...d5!
- threat
- 1.Rg2?
- threat
- 2.Sg6#
- 2.Re2#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.Re2#
- 2.d4#
- 1...Qe6
- 2.Re2#
- 1...Qe8
- 2.Re2#
- 1...Sd4
- 2.Sg6#
- 1...g6
- 2.Sxg6#
- 2.Re2#
- 1...d5!
- threat
- 1.Rg3?
- threat
- 2.Sg6#
- 2.Re3#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.Re3#
- 2.d4#
- 1...Qe6
- 2.Re3#
- 1...Qe8
- 2.Re3#
- 1...g6
- 2.Sxg6#
- 2.Re3#
- 1...d5!
- threat
- 1.Rg4?
- threat
- 2.Sg6#
- 2.Re4#
- 2.Qe4#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.Qe4#
- 2.d4#
- 1...Qe6
- 2.Re4#
- 2.Qe4#
- 1...Qe8
- 2.Re4#
- 2.Qe4#
- 1...g6
- 2.Sxg6#
- 2.Re4#
- 2.Qe4#
- 1...d5!
- threat
- 1.Rh6?
- threat
- 2.Sg6#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.d4#
- 1...Qe6
- 2.Rxe6#
- 1...Qe8
- 2.Re6#
- 1...g6
- 2.Sxg6#
- 1...d5!
- threat
- 1.Qb1?
- threat
- 2.Qe1#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.d4#
- 1...Sd4!
- threat
- 1.Qd3?
- threat
- 2.Qe2#
- 2.Qe3#
- 1...Qxf5
- 2.Qxf5#
- 1...Sd4
- 2.Qe3#
- 2.Qxd4#
- 1...Sxe7!
- threat
- 1.d3?
- threat
- 2.Qe2#
- 2.Qh2#
- 1...Sxe7
- 2.d4#
- 1...Sd4
- 2.Qh2#
- 1...Qxf5!
- threat
- 1.Sg3?
- Keys
- 1.Rf6!
- threat
- 2.Sg6#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe7
- 2.d4#
- 1...Qe8
- 2.Re6#
- 1...g6
- 2.Sxg6#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Q(h);N_GUARD::R1(G)
- Q(h);N_GUARD::R1(G),XQ(h)
- S(d);N_GUARD,P_PINP(D)::P(B)
- S(d);N_GUARD,P_PINP(D),XS(H)::P(B)
- S(g);S_CUTQ(h)::R1(G)
- Tries
- Try
- S(F);
- Threat
- QAR1(A)
- Vars
- K(c);S_FLIGHT::QAR1(A)
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Refutation
- P(e);
- Try
- S(H);CHECK,XS(d)
- Refutation
- S(g);XS(H)
- Try
- S(H);XQ(h)
- Threat
- R1(G)
- Vars
- S(d);N_GUARD::P(B)
- Refutation
- S(d);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Q(h);::R(G)
- S(d);P_PINP(D)::S(H)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Q(h);::R(G)
- S(d);P_PINP(D)::S(H)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Q(h);::R(G)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Refutation
- P(e);
- Try
- R(G);
- Threat
- S(H)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- S(d);N_GUARD,P_PINP(D),XS(H)::P(B)
- Q(h);N_GUARD::R1(G),XQ(h)
- Q(h);N_GUARD::R1(G)
- P(f);::S(H),XP(f)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- S(d);N_GUARD,P_PINP(D),XS(H)::P(B)
- Refutation
- S(d);P_PINP(D)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- Refutation
- S(d);P_PINP(D),XS(H)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,P_PINP(D),XS(H)::P(B)
- S(d);P_PINP(D)::QAB(A)
- Refutation
- Q(h);XP(E)
- Try
- Actual
- R(G);
- Threat
- S(H)
- Vars
- Q(h);OGATE,XP(E)::QAR1(A),XQ(h)
- S(d);N_GUARD,P_PINP(D),XS(H)::P(B)
- Q(h);N_GUARD::R1(G)
- P(f);::S(H),XP(f)
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).