MESON Chess Problem Database
Problem Display
PID: 194866 (8/1p3p2/1R3R2/3k3P/3b4/3K4/8/3Q4 w - - 0 1)
Gerlach, Karel
Narodni Politika, 1918
#2
5 + 4
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Rb5#
- 1...Bg1
- 2.Rf5#
- 1...Bb2
- 2.Rb5#
- 1...Bf2
- 2.Rf5#
- 1...Bc3
- 2.Rb5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 1...Be5
- 2.Rb5#
- 1...Ba1
- Tries
- 1.Qb3+?
- 1...Kc5
- 2.Rb5#
- 2.Qc4#
- 2.Qb5#
- 1...Ke5!
- 1...Kc5
- 1.Qf3+?
- 1...Ke5
- 2.Rf5#
- 2.Qe4#
- 2.Qf5#
- 1...Kc5!
- 1...Ke5
- 1.Qa4?
- threat
- 2.Qxd4#
- 1...Kc5
- 2.Rb5#
- 2.Qb5#
- 2.Qc4#
- 2.Qxd4#
- 2.Qa5#
- 1...Ke5
- 2.Qxd4#
- 1...Bxf6
- 2.Qb5#
- 2.Qa5#
- 1...Ba1
- 2.Rb5#
- 2.Qb5#
- 2.Qa5#
- 1...Bg1
- 2.Rf5#
- 1...Bb2
- 2.Rb5#
- 2.Qb5#
- 2.Qa5#
- 1...Bf2
- 2.Rf5#
- 1...Bc3
- 2.Rb5#
- 2.Qb5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 2.Qe4#
- 1...Be5
- 2.Rb5#
- 2.Qb5#
- 2.Qc4#
- 2.Qa5#
- 1...Bxb6!
- threat
- 1.Qg4?
- threat
- 2.Qxd4#
- 1...Kc5
- 2.Qxd4#
- 1...Ke5
- 2.Rf5#
- 2.Qf5#
- 2.Qxd4#
- 2.Qe4#
- 2.Qg5#
- 1...Bxb6
- 2.Qf5#
- 2.Qg5#
- 1...Ba1
- 2.Rb5#
- 1...Bg1
- 2.Rf5#
- 2.Qf5#
- 2.Qg5#
- 1...Bb2
- 2.Rb5#
- 1...Bf2
- 2.Rf5#
- 2.Qf5#
- 2.Qg5#
- 1...Bc3
- 2.Rb5#
- 1...Be3
- 2.Rf5#
- 2.Qf5#
- 1...Bc5
- 2.Rf5#
- 2.Qf5#
- 2.Qe4#
- 2.Qg5#
- 1...Be5
- 2.Rb5#
- 2.Qc4#
- 1...Bxf6!
- threat
- 1.Qa1?
- threat
- 2.Qxd4#
- 1...Kc5
- 2.Qxd4#
- 2.Qa5#
- 1...Ke5
- 2.Qxd4#
- 1...Bxa1
- 2.Rb5#
- 1...Bxf6
- 2.Qa5#
- 1...Bg1
- 2.Rf5#
- 1...Bb2
- 2.Rb5#
- 2.Qa5#
- 1...Bf2
- 2.Rf5#
- 1...Bc3
- 2.Rb5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 1...Be5
- 2.Rb5#
- 2.Qa5#
- 1...Bxb6!
- threat
- 1.Qc1?
- 1...Ke5
- 2.Qg5#
- 1...Bxb6
- 2.Qg5#
- 1...Bc3
- 2.Rb5#
- 1...Ba1
- 2.Rb5#
- 1...Bg1
- 2.Rf5#
- 2.Qg5#
- 1...Bb2
- 2.Rb5#
- 1...Bf2
- 2.Rf5#
- 2.Qg5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 2.Qg5#
- 1...Be5
- 2.Rb5#
- 2.Qc4#
- 1...Bxf6!
- 1...Ke5
- 1.Qe1?
- 1...Kc5
- 2.Qa5#
- 1...Bxf6
- 2.Qa5#
- 1...Be3
- 2.Rf5#
- 1...Ba1
- 2.Rb5#
- 2.Qa5#
- 1...Bg1
- 2.Rf5#
- 1...Bb2
- 2.Rb5#
- 2.Qa5#
- 1...Bf2
- 2.Rf5#
- 1...Bc3
- 2.Rb5#
- 1...Bc5
- 2.Rf5#
- 2.Qe4#
- 1...Be5
- 2.Rb5#
- 2.Qa5#
- 1...Bxb6!
- 1...Kc5
- 1.Qg1?
- threat
- 2.Qxd4#
- 1...Kc5
- 2.Qxd4#
- 1...Ke5
- 2.Qxd4#
- 2.Qg5#
- 1...Bxg1
- 2.Rf5#
- 1...Bxb6
- 2.Qg5#
- 1...Ba1
- 2.Rb5#
- 1...Bb2
- 2.Rb5#
- 1...Bf2
- 2.Rf5#
- 2.Qg5#
- 1...Bc3
- 2.Rb5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 2.Qg5#
- 1...Be5
- 2.Rb5#
- 1...Bxf6!
- threat
- 1.Qh1+?
- 1...Ke5
- 2.Qe4#
- 1...Kc5!
- 1...Ke5
- 1.Qb3+?
- Keys
- 1.Qd2!
- 1...Kc5
- 2.Qa5#
- 1...Ke5
- 2.Qg5#
- 1...Bxb6
- 2.Qg5#
- 1...Bxf6
- 2.Qa5#
- 1...Ba1
- 2.Rb5#
- 2.Qa5#
- 1...Bg1
- 2.Rf5#
- 2.Qg5#
- 1...Bb2
- 2.Rb5#
- 2.Qa5#
- 1...Bf2
- 2.Rf5#
- 2.Qg5#
- 1...Bc3
- 2.Rb5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 2.Qg5#
- 1...Be5
- 2.Rb5#
- 2.Qa5#
- 1...Kc5
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- B(a);N_GUARD::R(D)
- B(a);N_GUARD::R(E)
- B(a);N_GUARD,SBLOCK::R(E)
- B(a);N_GUARD,SBLOCK::R(D)
- Tries
- Try
- Q(A);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR1(A),XB(a)
- Vars
- K(b);P-FLIGHT::QAB1(A),XB(a)
- B(a);N_GUARD::R(E)
- Refutation
- B(a);XR(D)
- Try
- Q(A);
- Threat
- QAR1(A),XB(a)
- Vars
- K(b);P-FLIGHT::QAB1(A),XB(a)
- B(a);N_GUARD::R(D)
- Refutation
- B(a);XR(E)
- Try
- Q(A);
- Threat
- QAR1(A),XB(a)
- Vars
- K(b);P-FLIGHT,P_SPINB(a)::QAB1(A),XB(a)
- B(a);N_GUARD,XQ(A)::R(D)
- B(a);N_GUARD,XR(E)::QAR(A)
- B(a);N_GUARD::R(E)
- B(a);N_GUARD::R(D)
- B(a);N_GUARD,SBLOCK::R(E)
- Refutation
- B(a);XR(D)
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD,XR(D)::QAR(A)
- B(a);N_GUARD::R(D)
- B(a);N_GUARD::R(E)
- Refutation
- B(a);XR(E)
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD,XR(E)::QAR(A)
- B(a);N_GUARD::R(E)
- B(a);N_GUARD::R(D)
- Refutation
- B(a);XR(D)
- Try
- Q(A);
- Threat
- QAR1(A),XB(a)
- Vars
- K(b);P-FLIGHT,P_SPINB(a)::QAB1(A),XB(a)
- B(a);N_GUARD,XQ(A)::R(E)
- B(a);N_GUARD,XR(D)::QAR(A)
- B(a);N_GUARD::R(D)
- B(a);N_GUARD::R(E)
- B(a);N_GUARD,SBLOCK::R(D)
- Refutation
- B(a);XR(E)
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD,XR(D)::QAR(A)
- B(a);N_GUARD,XR(E)::QAR(A)
- B(a);N_GUARD::R(D)
- B(a);N_GUARD::R(E)
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).