MESON Chess Problem Database
Problem Display
PID: 154528 (4NK2/3QPNpp/8/1r2p1R1/b3k2r/2R5/2q5/1BB5 w - - 0 1)
Thomsen, Svend Orvar
1st Prize, DSK National Ty., 1935
#2
9 + 8
| 4035 | Aarsskrift for DSK | 1935 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Qxd3#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Re3#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rxb1
- 2.Rxe5#
- 1...Rb2
- 2.Rxe5#
- 1...Rb3
- 2.Bxc2#
- 2.Rxe5#
- 1...Rb4
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rb7
- 2.Rxe5#
- 1...Rb8
- 2.Rxe5#
- 1...g6
- 2.Sf6#
- 1...Qd3
- Tries
- 1.Kxg7?
- threat
- 2.Sf6#
- 1...Qd3
- 2.Qxd3#
- 1...Rf4
- 2.Re3#
- 1...Rh6
- 2.Rg4#
- 1...Rb6
- 2.Rxe5#
- 1...Rd5!
- threat
- 1.Rg1?
- threat
- 2.Sg5#
- 2.Re1#
- 1...Rxb1
- 2.Sg5#
- 1...Qd3
- 2.Sg5#
- 2.Qxd3#
- 1...Rh1
- 2.Sg5#
- 2.Rg4#
- 1...Rh2
- 2.Sg5#
- 2.Rg4#
- 1...Rh3
- 2.Sg5#
- 2.Rg4#
- 1...Rf4
- 2.Re1#
- 2.Re3#
- 1...Rg4
- 2.Re1#
- 2.Rxg4#
- 1...Rh5
- 2.Re1#
- 2.Rg4#
- 1...g5
- 2.Sxg5#
- 2.Sf6#
- 2.Re1#
- 1...h6
- 2.Re1#
- 1...Rd5!
- threat
- 1.Rg2?
- threat
- 2.Sg5#
- 2.Re2#
- 1...Rxb1
- 2.Sg5#
- 1...Qd3
- 2.Sg5#
- 2.Qxd3#
- 1...Rh2
- 2.Sg5#
- 2.Rg4#
- 1...Rh3
- 2.Sg5#
- 2.Rg4#
- 1...Rf4
- 2.Re2#
- 2.Re3#
- 1...Rg4
- 2.Re2#
- 2.Rxg4#
- 1...Rh5
- 2.Re2#
- 2.Rg4#
- 1...g5
- 2.Sxg5#
- 2.Sf6#
- 2.Re2#
- 1...h6
- 2.Re2#
- 1...Rd5!
- threat
- 1.Rgg3?
- threat
- 2.Sg5#
- 2.Rc4#
- 1...Rxb1
- 2.Sg5#
- 1...Rf4
- 2.Rce3#
- 2.Rc4#
- 2.Rge3#
- 1...Rg4
- 2.Rc4#
- 2.Rxg4#
- 1...Rh5
- 2.Rc4#
- 2.Rg4#
- 1...Rb4
- 2.Sg5#
- 1...Rc5
- 2.Sg5#
- 1...Bb3
- 2.Sg5#
- 1...g5
- 2.Sxg5#
- 2.Sf6#
- 2.Rc4#
- 1...h6
- 2.Rc4#
- 1...Rd5!
- threat
- 1.Rf5?
- threat
- 2.Sg5#
- 2.Re3#
- 2.Rc4#
- 1...Rxb1
- 2.Sg5#
- 2.Re3#
- 2.Rxe5#
- 1...Qd3
- 2.Sg5#
- 2.Bxd3#
- 2.Rc4#
- 2.Qxd3#
- 1...Rh3
- 2.Sg5#
- 2.Rc4#
- 1...Rf4
- 2.Sg5#
- 2.Re3#
- 1...Rg4
- 2.Re3#
- 2.Rc4#
- 1...Rh5
- 2.Re3#
- 2.Rc4#
- 1...Rb3
- 2.Sg5#
- 2.Bxc2#
- 2.Rc4#
- 2.Rxe5#
- 1...Rb4
- 2.Sg5#
- 2.Re3#
- 2.Rxe5#
- 1...Rc5
- 2.Sg5#
- 2.Re3#
- 1...Bb3
- 2.Sg5#
- 2.Re3#
- 1...g5
- 2.Sxg5#
- 2.Sf6#
- 2.Re3#
- 2.Rc4#
- 1...h6
- 2.Re3#
- 2.Rc4#
- 1...Rd5!
- threat
- 1.Rxg7?
- threat
- 2.Sg5#
- 2.Sf6#
- 1...Qd3
- 2.Sg5#
- 2.Qxd3#
- 1...Rf4
- 2.Re3#
- 1...Rg4
- 2.Sf6#
- 2.Rxg4#
- 1...Rh5
- 2.Sf6#
- 2.Rg4#
- 1...Rh6
- 2.Sg5#
- 2.Rg4#
- 1...Rb6
- 2.Sg5#
- 1...Rb8
- 2.Sg5#
- 1...h6
- 2.Sf6#
- 1...Rd5!
- threat
- 1.Qg4+?
- 1...Kd5
- 2.Sc7#
- 2.Rxe5#
- 1...Rxg4!
- 1...Kd5
- 1.Qxb5?
- threat
- 2.Qc4#
- 2.Qxe5#
- 1...Kd4
- 2.Qc4#
- 2.Qxe5#
- 1...Qd3
- 2.Qxd3#
- 1...Bb3
- 2.Qxe5#
- 1...Bxb5!
- threat
- 1.Qf5+?
- 1...Kd5
- 2.Qxe5#
- 1...Kd4!
- 1...Kd5
- 1.Qc6+?
- 1...Kd4
- 2.Be3#
- 2.Qc4#
- 1...Rd5!
- 1...Kd4
- 1.Qd1?
- threat
- 2.Sfd6#
- 2.Sed6#
- 2.Rc4#
- 1...Rxb1
- 2.Sfd6#
- 2.Sed6#
- 2.Rxe5#
- 1...Qd3
- 2.Qxd3#
- 1...Rf4
- 2.Sd6#
- 2.Re3#
- 2.Rc4#
- 1...Rh6
- 2.Rc4#
- 1...Rb4
- 2.Sfd6#
- 2.Sed6#
- 2.Rxe5#
- 1...Rc5
- 2.Sfd6#
- 2.Sed6#
- 1...Rb6
- 2.Rc4#
- 2.Rxe5#
- 1...Rb8
- 2.Sd6#
- 2.Rc4#
- 2.Rxe5#
- 1...Bb3
- 2.Sfd6#
- 2.Sed6#
- 1...Rd5!
- threat
- 1.Qd2?
- threat
- 2.Sfd6#
- 2.Sed6#
- 1...Qd3
- 2.Qxd3#
- 1...Rd5
- 2.Qe3#
- 1...Rf4
- 2.Sd6#
- 2.Re3#
- 1...Rb6
- 2.Rxe5#
- 1...Rb8
- 2.Sd6#
- 2.Rxe5#
- 1...Rh6!
- threat
- 1.Qd4+?
- 1...exd4
- 2.Sfd6#
- 2.Sed6#
- 1...Kxd4!
- 1...exd4
- 1.Kxg7?
- Keys
- 1.Rd3!
- threat
- 2.Qf5#
- 1...Qxd3
- 2.Qxd3#
- 1...Qf2
- 2.Sd6#
- 1...Qc8
- 2.Sd6#
- 1...Rf4
- 2.Re3#
- 1...g6
- 2.Sf6#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD::QAB1(E),XQ(a)
- R(d);N_GUARD::R(D)
- R(d);P_PINS(G),SBLOCK::R1(C)
- R(d);N_GUARD::R(D),XR(d)
- R(e);N_GUARD,N_SPINQ(a),XB(A)::R1(D),XP(f)
- R(e);N_GUARD::R1(D),XP(f)
- R(e);N_GUARD,P_PINS(H)::R1(D),XP(f)
- P(g);N_GUARD::S(H)
- Tries
- Try
- K(I);S_FLIGHT,XP(g)
- Threat
- S(H)
- Vars
- Q(a);N_GUARD::QAB1(E),XQ(a)
- R(d);SBLOCK::R1(C)
- R(d);N_GUARD::R(D)
- R(e);N_GUARD::R1(D),XP(f)
- Refutation
- R(e);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINQ(a),XB(A)::S(G)
- P(h);::R(D)
- Refutation
- R(e);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINQ(a),XB(A)::S(G)
- P(h);::R(D)
- Refutation
- R(e);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINQ(a),XB(A)::S(G)
- R(e);::S(G)
- B(b);::S(G)
- P(h);::R(C)
- Refutation
- R(e);
- Try
- R(D);
- Threat
- DUALS(3)
- Refutation
- R(e);
- Try
- R(D);XP(g)
- Threat
- DUALS(2)
- Vars
- R(d);P_PINS(G),SBLOCK::R1(C)
- R(e);::S(G)
- R(e);P_PINS(H)::S(G)
- P(h);::S(H)
- Refutation
- R(e);
- Try
- Q(E);CHECK
- Refutation
- R(d);XQ(E)
- Try
- Q(E);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD::QAB1(E),XQ(a)
- B(b);::QAR1(E),XP(f)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(c);N_SPINQ(a),P_SPINP(f),S_FLIGHT::QAR1(E),XP(f)
- Refutation
- K(c);N_SPINQ(a),P-FLIGHT
- Try
- Q(E);CHECK
- Refutation
- R(e);P_SPINR(e)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- Q(a);N_GUARD::QAB1(E),XQ(a)
- R(d);::R(C)
- Refutation
- R(e);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD::QAB1(E),XQ(a)
- R(e);SBLOCK::QAR1(E)
- R(e);N_GUARD::R1(D),XP(f)
- Refutation
- R(d);
- Try
- Q(E);CHECK
- Refutation
- K(c);N_SPINQ(a),P-FLIGHT,XQ(E)
- Try
- Actual
- R(C);N_PINQ(a)
- Threat
- QAB1(E)
- Vars
- Q(a);OGATE,P_SPINQ(a),XR(C)::QAB1(E),XQ(a)
- Q(a);P_PINS(G)::S(H)
- Q(a);P_PINS(H)::S(G)
- R(d);P_PINS(G),SBLOCK::R1(C)
- P(g);N_GUARD::S(H)
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).