MESON Chess Problem Database
Problem Display
PID: 214649 (4Q3/8/5P2/4p1Pp/2Nbp1kp/R1p2R1N/3P3P/7K w - - 0 1)
Barbier, Georges Emile
Atlanta Sunny South, 1877
#2
10 + 7
| 16855 | chessarch.com | 2020 |
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxf3
- 2.Qxh5#
- 1...Bg1
- 2.Sxe5#
- 1...Bf2
- 2.Sxe5#
- 1...Be3
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 1...Ba7
- 2.Sxe5#
- 1...cxd2
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...c2
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...exf3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Kxf3
- Tries
- 1.Se3+?
- 1...Kxf3
- 2.Qxh5#
- 1...Bxe3!
- 1...Kxf3
- 1.Rb3?
- 1...Kxf3
- 2.Qxh5#
- 1...cxd2
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...exf3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Bg1
- 2.Sxe5#
- 1...Bf2
- 2.Sxe5#
- 1...Be3
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 1...Ba7
- 2.Sxe5#
- 1...c2
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...e3!
- 1...Kxf3
- 1.Rf1?
- threat
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Kxh3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Bf2!
- threat
- 1.Rf2?
- threat
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Kxh3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Bxf2!
- threat
- 1.Rg3+?
- 1...Kf5
- 2.Sd6#
- 1...hxg3!
- 1...Kf5
- 1.Rf4+?
- 1...Kxh3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...exf4!
- 1...Kxh3
- 1.Qc6?
- threat
- 2.Qxe4#
- 1...exf3
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Be3
- 2.Sxe5#
- 1...e3
- 2.Qe4#
- 1...Kxf3!
- threat
- 1.Qg6?
- threat
- 2.Qxe4#
- 2.Qf5#
- 1...Kxf3
- 2.Qxh5#
- 1...Be3
- 2.Sxe5#
- 2.Qf5#
- 1...e3
- 2.Qe4#
- 2.Qf5#
- 1...exf3!
- threat
- 1.Qf7?
- 1...Kxf3
- 2.Qxh5#
- 1...cxd2
- 2.Qe6#
- 2.Qd7#
- 1...exf3
- 2.Qe6#
- 2.Qd7#
- 1...c2
- 2.Qe6#
- 2.Qd7#
- 1...Bg1
- 2.Sxe5#
- 1...Bf2
- 2.Sxe5#
- 1...Be3
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 1...Ba7
- 2.Sxe5#
- 1...e3!
- 1...Kxf3
- 1.Qxe5?
- threat
- 2.Qf4#
- 2.Qxe4#
- 2.Qf5#
- 1...Bxe5
- 2.Sxe5#
- 1...exf3
- 2.Qe6#
- 1...Be3
- 2.Qf5#
- 1...e3
- 2.Qf4#
- 2.Qe4#
- 2.Qf5#
- 1...Kxf3!
- threat
- 1.Qa8?
- threat
- 2.Qxe4#
- 1...exf3
- 2.Qc8#
- 1...Be3
- 2.Sxe5#
- 1...e3
- 2.Qe4#
- 1...Kxf3!
- threat
- 1.Qh8?
- 1...Kxf3
- 2.Qxh5#
- 1...cxd2
- 2.Qc8#
- 1...exf3
- 2.Qc8#
- 1...Bg1
- 2.Sxe5#
- 1...Bf2
- 2.Sxe5#
- 1...Be3
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 1...Ba7
- 2.Sxe5#
- 1...c2
- 2.Qc8#
- 1...e3!
- 1...Kxf3
- 1.Se3+?
- Keys
- 1.Qa4!
- 1...Kxf3
- 2.Qd1#
- 1...cxd2
- 2.Qd7#
- 1...exf3
- 2.Qd7#
- 1...c2
- 2.Qd7#
- 1...Bg1
- 2.Sxe5#
- 1...Bf2
- 2.Sxe5#
- 1...Be3
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 1...Ba7
- 2.Sxe5#
- 1...e3
- 2.Sxe5#
- 1...Kxf3
- 1.Qa4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(d);P_SPINP(a),S_FLIGHT,XR(E)::QAB(J),XP(g)
- B(b);N_GUARD::S(G),XP(f)
- Tries
- Try
- S(G);CHECK
- Vars
- K(d);S_FLIGHT,XR(E)::QAB(J),XP(g)
- Refutation
- B(b);XS(G)
- Try
- R(D);
- Vars
- K(d);P_SPINP(a),S_FLIGHT,XR(E)::QAB(J),XP(g)
- B(b);N_GUARD::S(G),XP(f)
- Refutation
- P(c);
- Try
- R(E);
- Threat
- DUALS(3)
- Refutation
- B(b);
- Try
- R(E);
- Threat
- DUALS(3)
- Refutation
- B(b);XR(E)
- Try
- R(E);CHECK
- Vars
- K(d);S_FLIGHT::S(G)
- Refutation
- P(e);XR(E)
- Try
- R(E);CHECK
- Refutation
- P(f);XR(E)
- Try
- Q(J);
- Threat
- QAR2(J),XP(c)
- Vars
- B(b);N_GUARD::S(G),XP(f)
- P(c);::QAR2(J)
- Refutation
- K(d);P_SPINP(a),S_FLIGHT,XR(E)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINP(a),S_FLIGHT,XR(E)::QAB(J),XP(g)
- Refutation
- P(c);XR(E)
- Try
- Q(J);
- Vars
- K(d);P_SPINP(a),S_FLIGHT,XR(E)::QAB(J),XP(g)
- B(b);N_GUARD::S(G),XP(f)
- Refutation
- P(c);
- Try
- Q(J);XP(f)
- Threat
- DUALS(3)
- Vars
- B(b);XQ(J)::S(G),XB(b)
- P(c);SBLOCK,XR(E)::QAB(J)
- B(b);::QAB1(J)
- Refutation
- K(d);P_SPINP(a),S_FLIGHT,XR(E)
- Try
- Q(J);
- Threat
- QAR2(J),XP(c)
- Vars
- P(c);SBLOCK,XR(E)::QAB(J)
- B(b);N_GUARD::S(G),XP(f)
- P(c);::QAR2(J)
- Refutation
- K(d);P_SPINP(a),S_FLIGHT,XR(E)
- Try
- Q(J);
- Vars
- K(d);P_SPINP(a),S_FLIGHT,XR(E)::QAB(J),XP(g)
- P(a);XP(B)::QAB(J)
- P(c);SBLOCK,XR(E)::QAB(J)
- B(b);N_GUARD::S(G),XP(f)
- P(a);::QAB(J)
- Refutation
- P(c);
- Try
- Actual
- Q(J);
- Vars
- K(d);OGATEB,P_SPINP(a),S_FLIGHT,XR(E)::QAB(J)
- P(a);XP(B)::QAB(J)
- P(c);SBLOCK,XR(E)::QAB(J)
- P(a);::QAB(J)
- B(b);N_GUARD::S(G),XP(f)
- P(c);S_CUTB(b)::S(G),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).