MESON Chess Problem Database
Problem Display
PID: 179998 (8/7K/1R6/2k1n1Q1/1R1b4/8/8/8 w - - 0 1)
Fossum, Andre Ferdinand
Norsk Vanforetidsskrift, 1950
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Qxe5#
- 1...Bf2
- 2.Qxe5#
- 1...Be3
- 2.Qxe5#
- 1...Bg1
- Tries
- 1.Qf6?
- threat
- 2.R6b5#
- 2.Qd6#
- 1...Sc4
- 2.R4b5#
- 2.R6b5#
- 2.Qc6#
- 1...Sc6
- 2.R6b5#
- 2.Qxc6#
- 1...Sf7
- 2.R6b5#
- 2.Qxd4#
- 2.Qc6#
- 1...Kd5!
- threat
- 1.Qd8?
- threat
- 2.Qxd4#
- 2.Qd6#
- 1...Ba1
- 2.Qd6#
- 1...Bg1
- 2.Qd6#
- 1...Bb2
- 2.Qd6#
- 1...Bf2
- 2.Qd6#
- 1...Bc3
- 2.Qd6#
- 1...Be3
- 2.Qd6#
- 1...Sf3
- 2.Qd6#
- 1...Sc4
- 2.R4b5#
- 1...Sc6
- 2.R6b5#
- 1...Sf7
- 2.Qxd4#
- 1...Sd7!
- threat
- 1.Qf6?
- Keys
- 1.Qf4!
- threat
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Ba1
- 2.R4b5#
- 1...Bg1
- 2.R4b5#
- 2.Qxe5#
- 1...Bb2
- 2.R4b5#
- 1...Bf2
- 2.R4b5#
- 2.Qxe5#
- 1...Bc3
- 2.R4b5#
- 1...Be3
- 2.R4b5#
- 2.Qxe5#
- 1...Sf3
- 2.Qd6#
- 1...Sc4
- 2.R4b5#
- 1...Sc6
- 2.R6b5#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAR2(B),XS(c)
- Tries
- Try
- Q(B);N_PINS(c)
- Threat
- DUALS(2)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(B)
- S(c);::QAB1(B)
- S(c);SBLOCK::R1(A)
- S(c);SBLOCK::R1(C)
- S(c);::QAB1(B),XB(a)
- Refutation
- S(c);
- Try
- Actual
- Q(B);N_PINS(c)
- Threat
- QAB1(B),XB(a)
- Vars
- K(b);P-FLIGHT::QAR1(B),XB(a)
- B(a);::R1(A)
- S(c);OGATE::QAB1(B)
- S(c);SBLOCK::R1(A)
- S(c);SBLOCK::R1(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).