MESON Chess Problem Database
Problem Display
PID: 220721 (3N4/3p4/3p4/3Qb2K/5k2/8/5P2/1R6 w - - 0 1)
Uhler, Ekkehard
Badische Neueste Nachrichten, 1984
#2
5 + 4
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Kg6?
- 1...Ba1
- 2.Qf5#
- 1...Bb2
- 2.Qf5#
- 1...Bc3
- 2.Qf5#
- 1...Bd4
- 2.Qf5#
- 1...Bf6
- 2.Qf5#
- 1...Bg7
- 2.Qf5#
- 1...Bh8
- 2.Qf5#
- 1...Kg4!
- 1...Ba1
- 1.Rg1?
- 1...Ba1
- 2.Rg4#
- 1...Bb2
- 2.Rg4#
- 1...Bc3
- 2.Rg4#
- 1...Bd4
- 2.Rg4#
- 1...Bf6
- 2.Rg4#
- 1...Bg7
- 2.Rg4#
- 1...Bh8
- 2.Rg4#
- 1...Kf5!
- 1...Ba1
- 1.Rb3?
- threat
- 2.Rf3#
- 2.Qf3#
- 1...Kf5
- 2.Rf3#
- 1...Ba1
- 2.Rf3#
- 1...Bb2
- 2.Rf3#
- 1...Bd4
- 2.Rf3#
- 1...Bf6
- 2.Rf3#
- 1...Bg7
- 2.Rf3#
- 1...Bh8
- 2.Rf3#
- 1...Bc3!
- threat
- 1.Rb4+?
- 1...Bd4
- 2.Rxd4#
- 1...Kf5!
- 1...Bd4
- 1.Kg6?
- Keys
- 1.Rb5!
- 1...Kf5
- 2.Qf3#
- 1...Ba1
- 2.Qf5#
- 1...Bb2
- 2.Qf5#
- 1...Bc3
- 2.Qf5#
- 1...Bd4
- 2.Qf5#
- 1...Bf6
- 2.Qf5#
- 1...Bg7
- 2.Qf5#
- 1...Bh8
- 2.Qf5#
- 1...Kf5
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(b);OGATE::QAR1(C)
- Refutation
- K(a);P-FLIGHT
- Try
- R(A);
- Vars
- B(b);::R1(A)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::R(A)
- B(b);::R1(A)
- Refutation
- B(b);
- Try
- R(A);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::R(A),XB(b)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- Actual
- R(A);
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::QAR2(C)
- B(b);OGATE::QAR1(C)
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).