MESON Chess Problem Database
Problem Display
PID: 5065 (K7/7Q/2R2P2/2nkP3/5R2/P7/4P3/8 w - - 0 1)
Mach, Julius Zdenek
Nove mody, 1898
#2
8 + 2
| 3360 | Simple Two-move Themes | 1924 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxe5
- Tries
- 1.Ka7?
- 1...Kxe5
- 2.Qf5#
- 1...Se4
- 2.Qxe4#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Rb4?
- 1...Kxe5
- 2.Qh5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Rg4?
- 1...Kxe5
- 2.Qh5#
- 1...Se4
- 2.Qxe4#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Rh4?
- 1...Kxe5
- 2.Qh5#
- 1...Se4
- 2.Qxe4#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Rxc5+?
- 1...Ke6
- 2.Qe7#
- 1...Kxc5!
- 1...Ke6
- 1.Qf5?
- threat
- 2.Rd6#
- 1...Se4
- 2.Qxe4#
- 1...Sd3
- 2.Qe4#
- 2.Qe6#
- 1...Sb3
- 2.Qe4#
- 2.Qe6#
- 1...Sa4
- 2.Qe4#
- 2.Qe6#
- 1...Sa6
- 2.Qe4#
- 2.Qe6#
- 1...Se6
- 2.Qe4#
- 2.Qxe6#
- 1...Sb7
- 2.Qe4#
- 2.Qe6#
- 1...Sd7
- 2.Qe4#
- 2.Qe6#
- 1...Kxc6!
- threat
- 1.Qg6?
- 1...Kxe5
- 2.Qf5#
- 2.Qg5#
- 1...Se4
- 2.Qxe4#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Qg8+?
- 1...Kxe5
- 2.Qg5#
- 1...Se6
- 2.Qxe6#
- 1...Kxc6!
- 1...Kxe5
- 1.Qh1+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe5!
- 1...Se4
- 1.Qd7+?
- 1...Kxe5
- 2.Qf5#
- 2.Qd4#
- 2.Qd6#
- 1...Sxd7!
- 1...Kxe5
- 1.e3?
- 1...Kxe5
- 2.Qf5#
- 2.Qh5#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.a4?
- 1...Kxe5
- 2.Qf5#
- 1...Sxa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.e6?
- 1...Ke5
- 2.Qf5#
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Ke5
- 1.f7?
- 1...Kxe5
- 2.Qf5#
- 1...Se4
- 2.Qxe4#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc6!
- 1...Kxe5
- 1.Ka7?
- Keys
- 1.Rc4!
- 1...Kxc4
- 2.Qd3#
- 1...Kxe5
- 2.Qh5#
- 1...Kxc6
- 2.Qb7#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Kxc4
- 1.Rc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- R(C);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- R(C);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- R(C);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- R(E);CHECK,XS(a)
- Vars
- K(b);S_FLIGHT::QAR1(G)
- Refutation
- K(b);P-FLIGHT,XR(E)
- Try
- Q(G);
- Threat
- R1(E)
- Vars
- S(a);N_GUARD::QAB1(G),XS(a)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Q(G);
- Vars
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Q(G);CHECK
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR2(G)
- S(a);N_GUARD,P_SPINS(a)::QAB1(G),XS(a)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Q(G);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(G),XS(a)
- Refutation
- K(b);P-FLIGHT,XP(D)
- Try
- Q(G);CHECK
- Refutation
- S(a);XQ(G)
- Try
- P(A);
- Vars
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- P(B);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(G)
- S(a);N_GUARD,XP(B)::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- P(D);
- Vars
- K(b);P-FLIGHT::QAR1(G)
- S(a);N_GUARD,XP(D)::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- P(F);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(a);N_GUARD::QAB1(G)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Actual
- R(C);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(C)::QAB1(G)
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR(G)
- K(b);OGATEB,P_SPINS(a),S_FLIGHT,XR(E)::QAB1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(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).