MESON Chess Problem Database
Problem Display
PID: 48132 (3r4/B3nN2/4Q3/3P3q/K1kr4/1R6/2B5/8 w - - 0 1)
Thomsen, Svend Orvar
Kryds-og Tvoersbladet, 1937
#2
7 + 5
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Se5#
- 1...Qf3
- 2.Se5#
- 1...Qg4
- 2.Se5#
- 1...Qg6
- 2.Se5#
- 1...Qh1
- 2.Se5#
- 1...Qh3
- 2.Se5#
- 1...Qh4
- 2.Se5#
- 1...Qxd5
- 2.Se5#
- 1...Qe5
- 2.Sxe5#
- 1...Qh6
- 2.Se5#
- 1...Qh7
- 2.Se5#
- 1...Rd3
- 2.Bxd3#
- 1...Re4
- 2.Bd3#
- 2.Qxe4#
- 1...Rf4
- 2.Bd3#
- 1...Rg4
- 2.Bd3#
- 1...Rh4
- 2.Bd3#
- 1...R4xd5
- 2.Bd3#
- 1...R8xd5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Ra8
- 2.Sd6#
- 1...Rb8
- 2.Sd6#
- 1...Rc8
- 2.Sd6#
- 1...Re8
- 2.Sd6#
- 1...Rf8
- 2.Sd6#
- 1...Rg8
- 2.Sd6#
- 1...Rh8
- 2.Sd6#
- 1...Sxd5
- 2.Qa6#
- 2.Qc6#
- 1...Sf5
- 2.Se5#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc8
- 2.Qc6#
- 1...Sg8
- 2.Qc6#
- 1...Qd1
- Tries
- 1.Re3?
- threat
- 2.Bb3#
- 1...Qd1
- 2.Se5#
- 1...Rb8
- 2.Sd6#
- 1...Rd3!
- threat
- 1.Qe4?
- threat
- 2.Bd3#
- 2.Qxd4#
- 1...Qxd5
- 2.Bd3#
- 1...Rxd5
- 2.Bd3#
- 1...Qe2
- 2.Se5#
- 2.Qxd4#
- 1...Qd1
- 2.Se5#
- 1...Qf3
- 2.Se5#
- 2.Qxd4#
- 1...Qg4
- 2.Se5#
- 2.Bd3#
- 1...Qh3
- 2.Se5#
- 2.Qxd4#
- 1...Qh4
- 2.Se5#
- 2.Bd3#
- 1...Qe5
- 2.Sxe5#
- 2.Bd3#
- 1...Qh8
- 2.Bd3#
- 1...Sf5
- 2.Se5#
- 2.Bd3#
- 1...Sc6
- 2.Bd3#
- 1...Rxe4!
- threat
- 1.Qb6?
- threat
- 2.Qxd4#
- 2.Qc5#
- 2.Qb5#
- 1...Qxd5
- 2.Qb4#
- 1...R4xd5
- 2.Qb4#
- 1...R8xd5
- 2.Qb4#
- 1...Qd1
- 2.Qc5#
- 2.Qb5#
- 1...Qg4
- 2.Qc5#
- 2.Qb5#
- 1...Qh4
- 2.Qc5#
- 2.Qb5#
- 1...Qe5
- 2.Qc5#
- 2.Qb5#
- 1...Qh8
- 2.Qc5#
- 2.Qb5#
- 1...Rd1
- 2.Qc5#
- 2.Qb5#
- 1...Rd2
- 2.Qc5#
- 2.Qb5#
- 1...Rd3
- 2.Qc5#
- 2.Qb5#
- 1...Re4
- 2.Qc5#
- 2.Qb5#
- 1...Rf4
- 2.Qc5#
- 2.Qb5#
- 1...Rg4
- 2.Qc5#
- 2.Qb5#
- 1...Rh4
- 2.Qc5#
- 2.Qb5#
- 1...Rb8
- 2.Qxd4#
- 2.Qc5#
- 1...Rc8
- 2.Qxd4#
- 2.Qb5#
- 1...Sf5
- 2.Qc5#
- 2.Qb5#
- 2.Qc6#
- 1...Sc6
- 2.Qc5#
- 2.Qb5#
- 2.Qxc6#
- 1...Kxd5+!
- threat
- 1.d6+?
- 1...Qd5
- 2.Se5#
- 1...Rd5
- 2.Bd3#
- 1...Sd5!
- 1...Qd5
- 1.Re3?
- Keys
- 1.Be4!
- threat
- 2.Qa6#
- 1...Qxd5
- 2.Se5#
- 1...Rxe4
- 2.Qxe4#
- 1...R4xd5
- 2.Bd3#
- 1...R8xd5
- 2.Sd6#
- 1...Qg6
- 2.Se5#
- 1...Qh6
- 2.Se5#
- 1...Rd6
- 2.Sxd6#
- 1...Rb8
- 2.Sd6#
- 1...Sc6
- 2.Qxc6#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 21
- Sets
- Q(c);N_GUARD::S(G)
- Q(c);N_GUARD,P_SPINQ(c),XP(D)::S(G)
- Q(c);N_GUARD::S(G),XQ(c)
- R(b);N_GUARD::B(A),XR(b)
- R(b);N_GUARD::B(A)
- R(b);N_GUARD,P_SPINR(b),XP(D)::B(A)
- R(e);N_GUARD,P_SPINR(e),XP(D)::S(G)
- R(e);N_GUARD::S(G),XR(e)
- R(e);N_GUARD,P_PINB(F)::S(G)
- R(e);N_GUARD::S(G)
- S(d);N_GUARD::QAR2(E),XS(d)
- S(d);N_GUARD::QAR2(E)
- Tries
- Try
- R(B);
- Threat
- B(A)
- Vars
- Q(c);N_GUARD,P_PINB(A)::S(G)
- R(e);N_GUARD::S(G)
- Refutation
- R(b);
- Try
- Q(E);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- Q(c);XP(D)::B(A)
- R(e);XP(D)::B(A)
- Q(c);N_GUARD::S(G)
- Q(c);::B(A)
- S(d);::B(A)
- Refutation
- R(b);N_SPINR(b),XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- Q(c);SBLOCK,XP(D)::QAR1(E)
- R(b);SBLOCK,XP(D)::QAR1(E)
- R(e);SBLOCK,XP(D)::QAR1(E)
- Refutation
- K(a);CHECK,S_FLIGHT,XP(D)
- Try
- P(D);CHECK
- Vars
- Q(c);P_SPINQ(c)::S(G)
- R(b);P_SPINR(b)::B(A)
- Refutation
- S(d);P_SPINS(d)
- Try
- Actual
- B(A);
- Threat
- QAB(E)
- Vars
- Q(c);N_GUARD,P_SPINQ(c),XP(D)::S(G)
- R(b);OGATE,XB(A)::QAR2(E),XR(b)
- R(b);N_GUARD,P_SPINR(b),XP(D)::B(A)
- R(e);N_GUARD,P_SPINR(e),XP(D)::S(G)
- Q(c);N_GUARD::S(G)
- R(e);N_GUARD::S(G),XR(e)
- R(e);N_GUARD::S(G)
- S(d);N_GUARD::QAR2(E),XS(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).