MESON Chess Problem Database
Problem Display
PID: 116345 (2q5/4N1B1/r7/4P2r/3pPkbp/3P4/4BK2/6Q1 w - - 0 1)
Hermanson, Halvar
Sahovski Vestnik, 1950
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Qc1#
- 1...Qe6
- 2.Qc1#
- 1...Qb7
- 2.Qc1#
- 2.Qxg4#
- 1...Qd7
- 2.Qc1#
- 1...Qc1
- 2.Qxc1#
- 2.Qxg4#
- 1...Qc2
- 2.Qxg4#
- 1...Qc3
- 2.Qxg4#
- 1...Qc4
- 2.Qxg4#
- 1...Qc5
- 2.Qxg4#
- 1...Qc6
- 2.Qxg4#
- 1...Qc7
- 2.Qxg4#
- 1...Qa8
- 2.Qc1#
- 2.Qxg4#
- 1...Qb8
- 2.Qc1#
- 2.Qxg4#
- 1...Qd8
- 2.Qc1#
- 2.Qxg4#
- 1...Qe8
- 2.Qc1#
- 2.Qxg4#
- 1...Qf8
- 2.Qc1#
- 2.Qxg4#
- 1...Qg8
- 2.Qc1#
- 2.Qxg4#
- 1...Qh8
- 2.Qc1#
- 2.Qxg4#
- 1...Rf5
- 2.Qxg4#
- 1...Rg5
- 2.Sd5#
- 2.Qh2#
- 1...Re6
- 2.Qxg4#
- 1...Bxe2
- 2.Sd5#
- 1...Bf3
- 2.Sd5#
- 1...Bh3
- 2.Sd5#
- 1...Bf5
- 2.Sd5#
- 1...Be6
- 2.Sg6#
- 1...Bd7
- 2.Sd5#
- 1...Qf5
- Tries
- 1.Bf6?
- threat
- 2.Sd5#
- 2.Sg6#
- 2.Qh2#
- 1...Rxe5
- 2.Sg6#
- 2.Qh2#
- 1...Bxe2
- 2.Sd5#
- 2.Sg6#
- 1...Qf5
- 2.Sd5#
- 2.Qh2#
- 2.Qc1#
- 1...Qe6
- 2.Sg6#
- 2.Qh2#
- 2.Qc1#
- 1...Qb7
- 2.Sg6#
- 2.Qh2#
- 2.Qc1#
- 2.Qxg4#
- 1...Qd7
- 2.Sg6#
- 2.Qh2#
- 2.Qc1#
- 1...Qc4
- 2.Sg6#
- 2.Qh2#
- 2.Qxg4#
- 1...Qc5
- 2.Sg6#
- 2.Qh2#
- 2.Qxg4#
- 1...Qc6
- 2.Sg6#
- 2.Qh2#
- 2.Qxg4#
- 1...Qa8
- 2.Sg6#
- 2.Qh2#
- 2.Qc1#
- 2.Qxg4#
- 1...Qd8
- 2.Sg6#
- 2.Qh2#
- 2.Qc1#
- 2.Qxg4#
- 1...Qe8
- 2.Sd5#
- 2.Qh2#
- 2.Qc1#
- 2.Qxg4#
- 1...Qg8
- 2.Qh2#
- 2.Qc1#
- 1...Rg5
- 2.Sd5#
- 2.Qh2#
- 1...Rh6
- 2.Sd5#
- 2.Qh2#
- 1...Ra5
- 2.Sg6#
- 2.Qh2#
- 1...Rd6
- 2.Sg6#
- 2.Qh2#
- 1...Bf3
- 2.Sd5#
- 2.Sg6#
- 1...Bf5
- 2.Sd5#
- 2.Qh2#
- 1...Be6
- 2.Sg6#
- 2.Qh2#
- 1...Rxf6!
- threat
- 1.Bf6?
- Keys
- 1.e6!
- threat
- 2.Qxg4#
- 1...Kg5
- 2.Qxg4#
- 1...Qxe6
- 2.Qc1#
- 1...Bxe2
- 2.Sg6#
- 1...Bxe6
- 2.Sg6#
- 1...Rg5
- 2.Qh2#
- 1...Bf3
- 2.Sg6#
- 1...Bh3
- 2.Sg6#
- 1...Bf5
- 2.Sd5#
- threat
- 1.e6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::QAB(A)
- Q(g);N_GUARD,P_PINB(B)::QAR1(A),XB(c)
- Q(g);N_GUARD::QAR1(A),XB(c)
- R(e);S_CUTQ(g)::QAR1(A),XB(c)
- R(f);S_CUTQ(g)::QAR1(A),XB(c)
- B(c);XB(B)::S(G)
- B(c);::S(G)
- B(c);S_CUTR(f)::S(G)
- Tries
- Try
- B(H);
- Threat
- DUALS(3)
- Refutation
- R(f);XB(H)
- Try
- Actual
- P(F);
- Threat
- QAR1(A),XB(c)
- Vars
- K(b);P_SPINB(c),S_FLIGHT::QAR1(A),XB(c)
- Q(g);N_GUARD,XP(F)::QAB(A)
- B(c);XB(B)::S(G)
- B(c);XP(F)::S(G)
- R(e);SBLOCK::QAB(A)
- B(c);::S(G)
- B(c);S_CUTR(e)::S(G)
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).