MESON Chess Problem Database
Problem Display
PID: 178788 (4N3/3Q4/2r1n3/4k3/2b1B3/2b1pP2/1P5K/4B3 w - - 0 1)
Hermanson, Halvar
1st Prize, Springaren, 1953
#2
7 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Rc7
- 2.Qd6#
- 1...Rc8
- 2.Qd6#
- 1...Sd4
- 2.Bg3#
- 1...Sf4
- 2.Bxc3#
- 1...Sc5
- 2.Bg3#
- 1...Sg5
- 2.Bg3#
- 1...Sc7
- 2.Bg3#
- 1...Sg7
- 2.Bg3#
- 1...Sd8
- 2.Bg3#
- 1...Sf8
- 2.Bg3#
- 1...Rc5
- Tries
- 1.Bxc3+?
- 1...Sd4
- 2.Qf5#
- 1...Kf4!
- 1...Sd4
- 1.Qd5+?
- 1...Kf4
- 2.Bg3#
- 2.Qf5#
- 1...Bxd5!
- 1...Kf4
- 1.Qf7?
- threat
- 2.Qf6#
- 1...Sd4
- 2.Bg3#
- 1...Sf4
- 2.Bxc3#
- 1...Sc5
- 2.Bxc3#
- 1...Sg5
- 2.Bxc3#
- 1...Sc7
- 2.Bxc3#
- 1...Sg7
- 2.Bxc3#
- 1...Sd8
- 2.Bxc3#
- 1...Sf8
- 2.Bxc3#
- 1...Kd4!
- threat
- 1.Qg7+?
- 1...Kf4
- 2.Bg3#
- 2.Qg3#
- 1...Sxg7!
- 1...Kf4
- 1.Bxc3+?
- Keys
- 1.Qe7!
- threat
- 2.Qf6#
- 1...Kd4
- 2.Bxc3#
- 1...Kf4
- 2.Bg3#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(e);N_GUARD::QAB1(F)
- R(e);N_GUARD::QAB1(F),XR(e)
- S(f);N_GUARD::B(A)
- S(f);N_GUARD,SBLOCK::B(A),XB(a)
- Tries
- Try
- B(A);CHECK,XB(a)
- Vars
- S(f);OGATE,P_SPINS(f)::QAR1(F)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(F);CHECK
- Refutation
- B(c);XQ(F)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- S(f);N_GUARD,SBLOCK::B(A)
- S(f);N_GUARD::B(A),XB(a)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(F);CHECK
- Refutation
- S(f);XQ(F)
- Try
- Actual
- Q(F);P_PINS(f)
- Threat
- QAB1(F)
- Vars
- K(d);N_SPINS(f),S_FLIGHT::B(A),XB(a)
- K(d);N_SPINS(f),S_FLIGHT::B(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).