MESON Chess Problem Database
Problem Display
PID: 48042 (6r1/8/8/5N2/4Q3/8/R6p/4K1k1 w - - 0 1)
Froberg, Johan Hilding Laurentius
5th HM., Borsodi Vegyesz, 1966
#2
4 + 3
| 4883 | Still More Fun with Chess Miniatures | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Qxg2#
- 1...Ra8
- 2.Qg2#
- 1...Rb8
- 2.Qg2#
- 1...Rc8
- 2.Qg2#
- 1...Rd8
- 2.Qg2#
- 1...Rf8
- 2.Qg2#
- 1...Rh8
- 2.Qg2#
- 1...h1Q
- 2.Qe3#
- 2.Qd4#
- 1...h1B
- 2.Qe3#
- 2.Qd4#
- 1...h1R
- 2.Qe3#
- 2.Qd4#
- 1...Rg2
- Tries
- 1.Kd1?
- threat
- 2.Qe1#
- 1...Kf1
- 2.Qe1#
- 1...Re8
- 2.Qg2#
- 1...Rd8+!
- threat
- 1.Sg3?
- threat
- 2.Se2#
- 2.Rg2#
- 2.Qh1#
- 2.Qg2#
- 2.Qe3#
- 2.Qd4#
- 1...h1Q
- 2.Qxh1#
- 2.Qe3#
- 2.Qd4#
- 1...h1S
- 2.Rg2#
- 2.Qxh1#
- 2.Qg2#
- 1...h1B
- 2.Qxh1#
- 2.Qe3#
- 2.Qd4#
- 1...h1R
- 2.Rg2#
- 2.Qxh1#
- 2.Qg2#
- 2.Qe3#
- 2.Qd4#
- 1...Rg4
- 2.Se2#
- 2.Rg2#
- 2.Qh1#
- 2.Qg2#
- 2.Qe3#
- 1...Rd8
- 2.Se2#
- 2.Rg2#
- 2.Qh1#
- 2.Qg2#
- 2.Qe3#
- 1...Re8
- 2.Se2#
- 2.Rg2#
- 1...Rf8
- 2.Se2#
- 2.Rg2#
- 2.Qh1#
- 2.Qg2#
- 1...Rxg3!
- threat
- 1.Rg2+?
- 1...Kh1
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rxg8#
- 1...Rxg2!
- 1...Kh1
- 1.Rxh2?
- threat
- 2.Rh1#
- 2.Qh1#
- 1...Rg2
- 2.Qxg2#
- 1...Re8
- 2.Rh1#
- 1...Rh8
- 2.Qh1#
- 2.Qg2#
- 1...Kxh2!
- threat
- 1.Qc2?
- threat
- 2.Qxh2#
- 1...Kh1
- 2.Qxh2#
- 1...h1Q
- 2.Qf2#
- 2.Qc5#
- 1...h1S
- 2.Qh2#
- 1...h1B
- 2.Qf2#
- 2.Qh2#
- 2.Qc5#
- 1...h1R
- 2.Qf2#
- 2.Qc5#
- 1...Rg2
- 2.Qxg2#
- 1...Rh8
- 2.Qg2#
- 1...Re8+!
- threat
- 1.Qe2?
- threat
- 2.Qf1#
- 2.Qxh2#
- 1...Kh1
- 2.Qxh2#
- 1...h1Q
- 2.Qf1#
- 2.Qf2#
- 2.Qe3#
- 1...h1S
- 2.Qf1#
- 2.Qh2#
- 1...h1B
- 2.Qf1#
- 2.Qf2#
- 2.Qh2#
- 2.Qe3#
- 1...h1R
- 2.Qf1#
- 2.Qf2#
- 2.Qe3#
- 1...Rg2
- 2.Qf1#
- 2.Qxg2#
- 1...Rh8
- 2.Qf1#
- 2.Qg2#
- 1...Re8!
- threat
- 1.Qf4?
- threat
- 2.Qxh2#
- 2.Qf1#
- 1...Kh1
- 2.Qxh2#
- 1...h1Q
- 2.Qe3#
- 2.Qf1#
- 2.Qf2#
- 2.Qd4#
- 1...h1S
- 2.Qh2#
- 2.Qf1#
- 1...h1B
- 2.Qh2#
- 2.Qe3#
- 2.Qf1#
- 2.Qf2#
- 2.Qd4#
- 1...h1R
- 2.Qe3#
- 2.Qf1#
- 2.Qf2#
- 2.Qd4#
- 1...Rg2
- 2.Qf1#
- 1...Rg3
- 2.Qf1#
- 1...Rh8
- 2.Qf1#
- 1...Re8+!
- threat
- 1.Kd1?
- Keys
- 1.Sd4!
- threat
- 2.Se2#
- 1...Rg2
- 2.Qxg2#
- 1...h1Q
- 2.Qe3#
- 1...h1S
- 2.Sf3#
- 1...h1B
- 2.Qe3#
- 1...h1R
- 2.Sf3#
- 2.Qe3#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(c);N_GUARD::QAR1(C),XR(c)
- R(c);N_GUARD::QAR1(C)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- QAR2(C)
- Vars
- K(a);P-FLIGHT::QAR1(C)
- R(c);N_GUARD::QAR1(C)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- DUALS(6)
- Refutation
- R(c);XS(D)
- Try
- R(B);CHECK
- Refutation
- R(c);XR(B)
- Try
- R(B);XP(b)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAR1(C),XR(c)
- R(c);P_PINQ(C)::R1(B)
- Refutation
- K(a);S_FLIGHT,XR(B)
- Try
- Q(C);
- Threat
- QAB1(C),XP(b)
- Vars
- K(a);P-FLIGHT::QAR1(C),XP(b)
- P(b);::QAB1(C)
- R(c);N_GUARD::QAR1(C),XR(c)
- R(c);N_GUARD::QAR1(C)
- Refutation
- R(c);CHECK
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR1(C),XP(b)
- Refutation
- R(c);P_PINQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR1(C),XP(b)
- R(c);::QAR1(C)
- Refutation
- R(c);CHECK
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- R(c);N_GUARD::QAR1(C),XR(c)
- P(b);SBLOCK::QAB(C)
- P(b);SBLOCK::S(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).