MESON Chess Problem Database
Problem Display
PID: 35623 (KbB5/1n2R1N1/b4Bq1/3p2pp/3r1k2/2N4P/Q4PPn/8 w - - 0 1)
Kupper, Josef
Neue Zurcher Zeitung, 1987
#2
10 + 10
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxh5#
- 1...Qc2
- 2.Sxh5#
- 1...Qd3
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 1...Qf5
- 2.Sxh5#
- 1...Qxf6
- 2.Sxh5#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Ra4
- 2.Sxd5#
- 2.Qd2#
- 1...Rb4
- 2.Sxd5#
- 2.Qd2#
- 1...Rc4
- 2.Se2#
- 2.Sxd5#
- 2.Qd2#
- 1...Re4
- 2.Sxd5#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.Qd2#
- 1...Be5
- 2.Bxe5#
- 1...Ba7
- 2.Be5#
- 1...Sf3
- 2.g3#
- 1...Sd6
- 2.Be5#
- 1...Qb1
- Tries
- 1.Bxd4?
- threat
- 2.Sxd5#
- 2.Be3#
- 2.Qd2#
- 1...g4
- 2.Be3#
- 2.Qd2#
- 1...Qc2
- 2.Sxd5#
- 2.Sxh5#
- 2.Be3#
- 1...Qd3
- 2.Sxd5#
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 1...Qf5
- 2.Sxh5#
- 2.Be3#
- 2.Qd2#
- 1...Qf7
- 2.Be3#
- 2.Rxf7#
- 2.Qd2#
- 1...Qb6
- 2.Sxd5#
- 2.Sxh5#
- 2.Qd2#
- 1...Qc6
- 2.Sxh5#
- 2.Be3#
- 2.Qd2#
- 1...Qd6
- 2.Sxh5#
- 2.Be3#
- 2.Qd2#
- 1...Bc4
- 2.Be3#
- 2.Qd2#
- 1...Be5
- 2.Be3#
- 2.Bxe5#
- 2.Qd2#
- 1...Ba7
- 2.Sxd5#
- 2.Be5#
- 2.Qd2#
- 1...Sf1
- 2.Sxd5#
- 1...Sf3
- 2.Sxd5#
- 2.Be3#
- 2.g3#
- 1...Sg4
- 2.Sxd5#
- 1...Qe6!
- threat
- 1.Re3?
- threat
- 2.g3#
- 1...Sf1
- 2.Rf3#
- 1...h4!
- threat
- 1.Re4+?
- 1...Qxe4
- 2.Sxh5#
- 1...Rxe4
- 2.Sxd5#
- 1...dxe4!
- 1...Qxe4
- 1.Qc4?
- threat
- 2.Se2#
- 2.Sxd5#
- 1...dxc4
- 2.Se2#
- 1...Qf7
- 2.Se2#
- 2.Qxd4#
- 1...Qc2
- 2.Sxd5#
- 2.Sxh5#
- 1...Qd3
- 2.Sxd5#
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 1...Qf5
- 2.Se2#
- 2.Sxh5#
- 1...Be5
- 2.Bxe5#
- 1...Bxc4!
- threat
- 1.Qxd5?
- threat
- 2.Se6#
- 2.g3#
- 1...Qxf6
- 2.Sxh5#
- 2.g3#
- 1...Qxg7
- 2.Qxd4#
- 2.Qf5#
- 2.g3#
- 1...Rxd5
- 2.Sxd5#
- 1...Qf7
- 2.Bxg5#
- 2.Qxd4#
- 2.Qf5#
- 2.Qxg5#
- 2.g3#
- 1...Qd3
- 2.Sxh5#
- 2.Se6#
- 2.Bxg5#
- 2.Qxg5#
- 1...Qe4
- 2.Sxh5#
- 2.Bxg5#
- 2.Qxg5#
- 1...Qf5
- 2.Sxh5#
- 2.Qxf5#
- 2.g3#
- 1...Rd3
- 2.Se2#
- 2.Se6#
- 1...Be5
- 2.Bxe5#
- 2.Qxe5#
- 2.g3#
- 1...Sf1
- 2.Se6#
- 2.Qf3#
- 1...Sc5
- 2.g3#
- 1...Sd8
- 2.g3#
- 1...h4
- 2.Se6#
- 1...Re4!
- threat
- 1.Qe2?
- threat
- 2.Qe3#
- 2.g3#
- 1...Bxe2
- 2.Sxe2#
- 1...Qd3
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 2.g3#
- 1...Re4
- 2.Sxd5#
- 2.g3#
- 1...Sf1
- 2.Qf3#
- 1...Sg4
- 2.Qf3#
- 2.g3#
- 1...h4
- 2.Qe3#
- 1...Rd3!
- threat
- 1.Qa4?
- threat
- 2.Sxd5#
- 1...Qf7
- 2.Qxd4#
- 1...Qe4
- 2.Sxh5#
- 1...Qf5
- 2.Sxh5#
- 1...Be5
- 2.Bxe5#
- 1...Bc4!
- threat
- 1.Qxa6?
- threat
- 2.Se2#
- 1...Qc2
- 2.Sxh5#
- 1...Qd3
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 1...Re4
- 2.Sxd5#
- 1...Be5
- 2.Bxe5#
- 1...Rd2!
- threat
- 1.Bxd4?
- Keys
- 1.Qb1!
- threat
- 2.Se6#
- 1...Qxb1
- 2.Sxh5#
- 1...Qxf6
- 2.Sxh5#
- 1...Qxg7
- 2.Qf5#
- 1...Qf7
- 2.Qf5#
- 1...Qc2
- 2.Sxh5#
- 1...Qd3
- 2.Sxh5#
- 1...Qe4
- 2.Sxh5#
- 1...Qf5
- 2.Sxh5#
- 2.Qxf5#
- 1...Rd3
- 2.Se2#
- 1...Re4
- 2.Sxd5#
- 1...Bd3
- 2.Qc1#
- 1...Sc5
- 2.Qxb8#
- 1...Sd8
- 2.Qxb8#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(h);N_GUARD::S(H),XP(f)
- Q(h);N_GUARD,XB(F)::S(H),XP(f)
- R(b);N_GUARD::QAB(A),XR(b)
- R(b);S_CUTB(g)::S(D)
- R(b);N_GUARD::S(D),XP(d)
- B(g);N_GUARD::S(D),XB(g)
- B(g);S_CUTR(b)::QAB(A)
- B(j);N_GUARD::B(F),XB(j)
- B(j);N_GUARD::B(F)
- S(a);SBLOCK::P(C)
- S(i);S_CUTB(j)::B(F)
- Tries
- Try
- B(F);XR(b)
- Threat
- DUALS(3)
- Vars
- Q(h);N_GUARD::S(H),XP(f)
- S(a);::S(D),XP(d)
- Refutation
- Q(h);
- Try
- R(G);
- Threat
- P(C)
- Vars
- S(a);N_GUARD::R1(G)
- Refutation
- P(f);
- Try
- R(G);CHECK
- Vars
- Q(h);XR(G)::S(H),XP(f)
- R(b);SBLOCK,XR(G)::S(D),XP(d)
- Refutation
- P(d);XR(G)
- Try
- Q(A);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- P(d);N_SPINR(b),XQ(A)::S(D)
- Q(h);N_GUARD,N_SPINR(b)::S(H),XP(f)
- B(j);N_GUARD::B(F),XB(j)
- Refutation
- B(g);N_SPINR(b),XQ(A)
- Try
- Q(A);XP(d)
- Threat
- DUALS(2)
- Vars
- R(b);XQ(A)::S(D),XR(b)
- S(i);::P(C)
- P(f);::S(H)
- Refutation
- R(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(g);XQ(A)::S(D),XB(g)
- Q(h);N_GUARD::S(H),XP(f)
- S(a);N_GUARD::QAR1(A)
- P(f);::QAB1(A)
- Refutation
- R(b);
- Try
- Q(A);P_PINR(b)
- Threat
- S(D),XP(d)
- Vars
- Q(h);N_GUARD::QAR2(A),XR(b)
- Q(h);N_GUARD,N_SPINR(b)::S(H),XP(f)
- Q(h);N_GUARD::S(H),XP(f)
- B(j);N_GUARD::B(F),XB(j)
- Refutation
- B(g);N_SPINR(b)
- Try
- Q(A);XB(g)
- Threat
- S(D)
- Vars
- Q(h);N_GUARD::S(H),XP(f)
- R(b);N_GUARD::S(D),XP(d)
- B(j);N_GUARD::B(F),XB(j)
- Refutation
- R(b);
- Try
- Actual
- Q(A);
- Threat
- S(H)
- Vars
- Q(h);N_GUARD,XQ(A)::S(H),XP(f)
- Q(h);N_GUARD,XB(F)::S(H),XP(f)
- Q(h);N_GUARD,XS(H)::QAR1(A)
- Q(h);N_GUARD::QAR1(A)
- Q(h);N_GUARD::S(H),XP(f)
- R(b);S_CUTB(g)::S(D)
- R(b);N_GUARD::S(D),XP(d)
- B(g);S_CUTR(b)::QAB(A)
- S(i);OGATE::QAB(A),XB(j)
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).