MESON Chess Problem Database
Problem Display
PID: 119980 (8/2p5/2B1p3/4R3/1p4kp/1K6/7P/4nQ2 w - - 0 1)
Mach, Julius Zdenek
Tyden rozhlasu, 1941
#2
5 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- Tries
- 1.Ka2?
- 1...Sg2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...b3+!
- 1...Sg2
- 1.Ka4?
- 1...Sg2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...b3!
- 1...Sg2
- 1.Bg2?
- threat
- 2.Bh3#
- 2.Qc4#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Bh3#
- 2.Qf3#
- 1...Sd3
- 2.Bh3#
- 2.Qf3#
- 1...Sxg2!
- threat
- 1.Ra5?
- 1...Sg2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...e5!
- 1...Sg2
- 1.Rb5?
- 1...Sg2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...e5!
- 1...Sg2
- 1.Rc5?
- 1...Sg2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 1...Sc2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...e5!
- 1...Sg2
- 1.Qe2+?
- 1...Kf4
- 2.Qe4#
- 1...Sf3
- 2.Qxf3#
- 1...Kh3!
- 1...Kf4
- 1.Qg2+?
- 1...Kf4
- 2.Qe4#
- 2.Qg5#
- 1...Sxg2!
- 1...Kf4
- 1.Qd3?
- 1...Kf4
- 2.Qe4#
- 2.Qd4#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- 2.Qe4#
- 2.Qg3#
- 2.Qd4#
- 1...Sc2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sxd3!
- 1...Kf4
- 1.Qxe1?
- 1...Kf4
- 2.Qe4#
- 1...h3
- 2.Qg3#
- 2.Qxb4#
- 2.Qe4#
- 1...Kh3!
- 1...Kf4
- 1.Qf2?
- 1...Sf3
- 2.Qxf3#
- 1...Sc2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...h3
- 2.Qg3#
- 2.Qd4#
- 1...Kh3!
- 1...Sf3
- 1.Qf6?
- 1...Sc2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qg5#
- 1...Kh3!
- 1...Sc2
- 1.Qf8?
- 1...Sc2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qxb4#
- 1...Kh3!
- 1...Sc2
- 1.Ka2?
- Keys
- 1.Bd5!
- threat
- 2.Bxe6#
- 1...exd5
- 2.Qf5#
- 1...Sf3
- 2.Qxf3#
- 1...h3
- 2.Qc4#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Refutation
- P(b);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Refutation
- P(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);::QAR(A)
- Refutation
- S(a);XB(E)
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A)
- Refutation
- P(e);
- Try
- Q(A);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(A)
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);XS(a)
- Vars
- K(c);P-FLIGHT::QAR1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(A),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(E);
- Threat
- B(E),XP(e)
- Vars
- P(e);N_GUARD,XB(E)::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(d);SBLOCK::QAR(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).