MESON Chess Problem Database
Problem Display
PID: 106176 (6RK/6BP/r7/5Bkp/6r1/5QP1/8/8 w - - 0 1)
Farius, Anton
Formanek, Bedrich
Praca, 1954
#2
7 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.Qxf4#
- 1...h4
- 2.Qxg4#
- 1...Rf4
- Tries
- 1.Bb1?
- threat
- 2.Qd5#
- 2.Qf5#
- 1...Rxg3
- 2.Qxg3#
- 1...Rga4
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rf4
- 2.Qxf4#
- 1...Rh4
- 2.Qf5#
- 1...Ra5
- 2.Bf8#
- 2.Qf6#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rf6
- 2.Qxf6#
- 1...Re4!
- threat
- 1.Bc2?
- threat
- 2.Qd5#
- 2.Qf5#
- 1...Rxg3
- 2.Qxg3#
- 1...Rga4
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rf4
- 2.Qxf4#
- 1...Rh4
- 2.Qf5#
- 1...Ra5
- 2.Bf8#
- 2.Qf6#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rf6
- 2.Qxf6#
- 1...Re4!
- threat
- 1.Bd3?
- threat
- 2.Qd5#
- 2.Qf5#
- 1...Rxg3
- 2.Qxg3#
- 1...Rga4
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rf4
- 2.Qxf4#
- 1...Rh4
- 2.Qf5#
- 1...Ra5
- 2.Bf8#
- 2.Qf6#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rf6
- 2.Qxf6#
- 1...Re4!
- threat
- 1.Be4?
- threat
- 2.Qf5#
- 1...Rxg3
- 2.Qxg3#
- 1...Rf4
- 2.Qxf4#
- 1...Ra5
- 2.Bf8#
- 2.Qf6#
- 1...Rf6
- 2.Qxf6#
- 1...Rxe4!
- threat
- 1.Ba1+?
- 1...Rg6
- 2.Rxg6#
- 1...Kh6!
- 1...Rg6
- 1.Bb2+?
- 1...Rg6
- 2.Rxg6#
- 1...Kh6!
- 1...Rg6
- 1.Bc3+?
- 1...Rg6
- 2.Rxg6#
- 1...Kh6!
- 1...Rg6
- 1.Bd4+?
- 1...Rg6
- 2.Rxg6#
- 1...Kh6!
- 1...Rg6
- 1.Be5+?
- 1...Rg6
- 2.Rxg6#
- 1...Kh6!
- 1...Rg6
- 1.Bf8+?
- 1...Rg6
- 2.Rxg6#
- 1...Kf6!
- 1...Rg6
- 1.Qe3+?
- 1...Rf4
- 2.Qxf4#
- 1...Kxf5!
- 1...Rf4
- 1.Bb1?
- Keys
- 1.Bg6!
- threat
- 2.Qf5#
- 1...Kxg6
- 2.Bf8#
- 1...Rxg3
- 2.Qxg3#
- 1...Rxg6
- 2.Qd5#
- 1...Rf4
- 2.Qxh5#
- 1...Ra5
- 2.Qf6#
- 1...Rf6
- 2.Qxf6#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::QAB1(A),XR(a)
- P(c);N_GUARD::QAR1(A),XR(a)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XP(B)::QAR2(A),XR(a)
- R(a);::QAR1(A)
- R(a);N_GUARD::QAB1(A),XR(a)
- R(d);::QAR1(A)
- R(d);N_GUARD::QAB1(A),XR(d)
- Refutation
- R(a);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XP(B)::QAR2(A),XR(a)
- R(a);::QAR1(A)
- R(a);N_GUARD::QAB1(A),XR(a)
- R(d);::QAR1(A)
- R(d);N_GUARD::QAB1(A),XR(d)
- Refutation
- R(a);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XP(B)::QAR2(A),XR(a)
- R(a);::QAR1(A)
- R(a);N_GUARD::QAB1(A),XR(a)
- R(d);::QAR1(A)
- R(d);N_GUARD::QAB1(A),XR(d)
- Refutation
- R(a);
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- R(a);OGATE,XP(B)::QAR2(A),XR(a)
- R(a);N_GUARD::QAB1(A),XR(a)
- R(d);N_GUARD::QAB1(A),XR(d)
- Refutation
- R(a);XB(C)
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::R1(F),XR(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(A),XR(a)
- Refutation
- K(b);P-FLIGHT,XB(C)
- Try
- Actual
- B(C);
- Threat
- QAR1(A)
- Vars
- K(b);OGATEB,P-FLIGHT,XB(C)::R(F)+B(D)
- R(a);OGATE,XP(B)::QAR2(A),XR(a)
- R(d);SBLOCK,XB(C)::QAR(A)
- R(a);OGATE::QAR1(A),XP(c)
- R(d);N_GUARD::QAB1(A)
- R(d);N_GUARD::QAB1(A),XR(d)
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).