MESON Chess Problem Database
Problem Display
PID: 100546 (R1N1B2k/2B2K2/5pP1/4p3/4p1p1/r7/4P2N/1r5R w - - 0 1)
Hermanson, Halvar
Israel Ring Ty., 1974
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Sf3#
- 1...Rbb3
- 2.Sf3#
- 1...Rb4
- 2.Sf3#
- 1...Rb5
- 2.Sf3#
- 1...Rb6
- 2.Sf3#
- 1...Rb7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Ra1
- 2.Sf1#
- 1...Ra2
- 2.Sf1#
- 1...Ra4
- 2.Sf1#
- 1...Ra5
- 2.Sf1#
- 1...Ra6
- 2.Sf1#
- 1...Ra7
- 2.Sf1#
- 1...Rxa8
- 2.Sf1#
- 1...e3
- 2.Sf1#
- 1...g3
- 2.Sf1#
- 1...f5
- 2.Bxe5#
- 1...Rb2
- Tries
- 1.Sxg4+?
- 1...Rh3
- 2.Rxh3#
- 1...Rxh1!
- 1...Rh3
- 1.Sb6?
- threat
- 2.Ba4#
- 1...Rxb6
- 2.Sf3#
- 1...Rxa8
- 2.Sf1#
- 1...Rb5
- 2.Sf3#
- 1...Rd3
- 2.Bd7#
- 1...Ra4
- 2.Sf1#
- 2.Bxa4#
- 1...Ra5
- 2.Sf1#
- 1...Ra6
- 2.Sf1#
- 1...Ra7
- 2.Sf1#
- 1...Rd1!
- threat
- 1.Sd6?
- 1...Rxh1
- 2.Ba4#
- 1...Rxa8
- 2.Sf1#
- 1...Rba1
- 2.Ba4#
- 1...Rc1
- 2.Ba4#
- 1...Rd1
- 2.Ba4#
- 1...Re1
- 2.Ba4#
- 1...Rf1
- 2.Ba4#
- 1...Rg1
- 2.Ba4#
- 1...Rb2
- 2.Sf3#
- 1...Rbb3
- 2.Sf3#
- 1...Rb4
- 2.Sf3#
- 1...Rb5
- 2.Sf3#
- 1...Rb6
- 2.Sf3#
- 1...Rb7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Raa1
- 2.Sf1#
- 1...Ra2
- 2.Sf1#
- 1...Rab3
- 2.Bb5#
- 1...Rc3
- 2.Bb5#
- 1...Rd3
- 2.Bb5#
- 1...Re3
- 2.Bb5#
- 1...Rf3
- 2.Bb5#
- 1...Rg3
- 2.Bb5#
- 1...Rh3
- 2.Bb5#
- 1...Ra4
- 2.Sf1#
- 1...Ra5
- 2.Sf1#
- 1...Ra6
- 2.Sf1#
- 1...Ra7
- 2.Sf1#
- 1...e3
- 2.Sf1#
- 1...g3
- 2.Sf1#
- 1...f5!
- 1...Rxh1
- 1.Sa7?
- threat
- 2.Bb5#
- 1...Rxa7
- 2.Sf1#
- 1...Rd1
- 2.Bd7#
- 1...Rb5
- 2.Sf3#
- 2.Bxb5#
- 1...Rb6
- 2.Sf3#
- 1...Rb7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Rd3!
- threat
- 1.Ba4?
- threat
- 2.Sb6#
- 1...Rxa4
- 2.Sf1#
- 1...Rd1
- 2.Sd6#
- 1...Rb6
- 2.Sf3#
- 2.Sxb6#
- 1...Rb7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Rd3!
- threat
- 1.Bb5?
- threat
- 2.Sa7#
- 1...Rxb5
- 2.Sf3#
- 1...Rxa8
- 2.Sf1#
- 1...Rd3
- 2.Sd6#
- 1...Ra7
- 2.Sf1#
- 2.Sxa7#
- 1...Rd1!
- threat
- 1.Sxg4+?
- Keys
- 1.Bd7!
- 1...Rxh1
- 2.Sa7#
- 1...Rxa8
- 2.Sf1#
- 1...Rd1
- 2.Sa7#
- 1...Rba1
- 2.Sa7#
- 1...Rc1
- 2.Sa7#
- 1...Re1
- 2.Sa7#
- 1...Rf1
- 2.Sa7#
- 1...Rg1
- 2.Sa7#
- 1...Rb2
- 2.Sf3#
- 1...Rbb3
- 2.Sf3#
- 1...Rb4
- 2.Sf3#
- 1...Rb5
- 2.Sf3#
- 1...Rb6
- 2.Sf3#
- 1...Rb7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Raa1
- 2.Sf1#
- 1...Ra2
- 2.Sf1#
- 1...Rab3
- 2.Sb6#
- 1...Rc3
- 2.Sb6#
- 1...Rd3
- 2.Sb6#
- 1...Re3
- 2.Sb6#
- 1...Rf3
- 2.Sb6#
- 1...Rg3
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Ra4
- 2.Sf1#
- 1...Ra5
- 2.Sf1#
- 1...Ra6
- 2.Sf1#
- 1...Ra7
- 2.Sf1#
- 1...e3
- 2.Sf1#
- 1...g3
- 2.Sf1#
- 1...f5
- 2.Bxe5#
- 1...Rxh1
- 1.Bd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::R(A)+S(C)
- R(a);N_GUARD,P_PINB(E)::R(A)+S(C)
- R(b);N_GUARD::R(A)+S(C)
- R(b);N_GUARD,P_PINB(E)::R(A)+S(C)
- R(b);N_GUARD,SBLOCK,XR(G)::R(A)+S(C)
- P(c);S_CUTR(b)::R(A)+S(C)
- P(d);S_CUTR(b)::R(A)+S(C)
- P(f);OGATEB::B(E),XP(e)
- Tries
- Try
- S(C);CHECK,XP(d)
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(A),XR(b)
- Refutation
- R(a);XR(A)
- Try
- S(H);
- Threat
- R(G)+B(I)
- Vars
- R(a);N_GUARD,XS(H)::R(A)+S(C)
- R(b);N_GUARD,XR(G)::R(A)+S(C)
- R(a);N_GUARD::R(A)+S(C)
- R(b);N_GUARD::R(G)+B(I)
- R(b);N_GUARD::R(A)+S(C)
- R(b);N_GUARD,P_PINB(E)::R(A)+S(C)
- Refutation
- R(a);
- Try
- S(H);
- Vars
- R(a);N_GUARD,XR(A)::R(G)+B(I)
- R(b);N_GUARD,SBLOCK,XR(G)::R(A)+S(C)
- R(a);N_GUARD::R(G)+B(I)
- R(a);N_GUARD::R(A)+S(C)
- R(a);N_GUARD,P_PINB(E)::R(A)+S(C)
- R(b);N_GUARD::R(A)+S(C)
- R(b);N_GUARD::R(G)+B(I)
- R(b);N_GUARD,P_PINB(E)::R(A)+S(C)
- P(c);S_CUTR(b)::R(A)+S(C)
- P(d);S_CUTR(b)::R(A)+S(C)
- Refutation
- P(f);
- Try
- S(H);
- Threat
- R(G)+B(I)
- Vars
- R(b);N_GUARD,P_PINB(E),XS(H)::R(A)+S(C)
- R(a);N_GUARD::R(G)+B(I)
- R(a);N_GUARD::R(A)+S(C)
- R(a);N_GUARD,P_PINB(E)::R(A)+S(C)
- Refutation
- R(b);
- Try
- B(I);
- Threat
- R(G)+S(H)
- Vars
- R(b);N_GUARD,XB(I)::R(A)+S(C)
- R(a);N_GUARD::R(G)+S(H)
- R(a);N_GUARD,P_PINB(E)::R(A)+S(C)
- R(a);N_GUARD::R(A)+S(C)
- Refutation
- R(b);
- Try
- B(I);
- Threat
- R(G)+S(H)
- Vars
- R(a);N_GUARD,XB(I)::R(A)+S(C)
- R(b);N_GUARD,SBLOCK,XR(G)::R(A)+S(C)
- R(b);N_GUARD::R(G)+S(H)
- Refutation
- R(a);
- Try
- Actual
- B(I);
- Vars
- R(a);N_GUARD,XR(A)::R(G)+S(H)
- R(b);N_GUARD,SBLOCK,XR(G)::R(A)+S(C)
- R(a);N_GUARD::R(G)+S(H)
- R(a);N_GUARD::R(A)+S(C)
- R(b);N_GUARD::R(A)+S(C)
- R(b);N_GUARD::R(G)+S(H)
- P(c);S_CUTR(b)::R(A)+S(C)
- P(d);S_CUTR(b)::R(A)+S(C)
- P(f);OGATEB::B(E),XP(e)
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).