MESON Chess Problem Database
Problem Display
PID: 51959 (7B/6RB/b4R2/2q5/2r5/P1k3pr/P3Q1Pb/1n3NnK w - - 0 1)
Knuppert, Hugo
1st Prize, Die Schwalbe, 1962
#2
10 + 9
| 3747 | FIDE Album (1962-1964) | 1968 |
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Sd2
- 2.Qxd2#
- 1...Sxa3
- 2.Qd2#
- 1...Qd4
- Tries
- 1.Rf3+?
- 1...Kd4
- 2.Rd3#
- 2.Rd7#
- 2.Qe4#
- 1...Qe3
- 2.Rc7#
- 1...Sxf3!
- 1...Kd4
- 1.Rf4?
- threat
- 2.Rxg3#
- 2.Qc2#
- 1...Rxh7
- 2.Rxg3#
- 1...Rxf4
- 2.Rxg3#
- 1...Sxa3
- 2.Qd2#
- 1...Sxe2
- 2.Rxg3#
- 1...Re4
- 2.Rxg3#
- 1...Sd2
- 2.Rxg3#
- 2.Qxd2#
- 1...Qf2
- 2.Rxg3#
- 1...Qe3
- 2.Qc2#
- 1...Qd4
- 2.Qc2#
- 1...Qe5
- 2.Qc2#
- 1...Qf5
- 2.Rxg3#
- 1...Qg5
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Sf3
- 2.Qc2#
- 1...Qxa3!
- threat
- 1.Rb6?
- threat
- 2.Rxg3#
- 2.Qd3#
- 2.Qb2#
- 1...Kd4
- 2.Rd7#
- 1...Qxa3
- 2.Rxg3#
- 2.Rc7#
- 2.Qd3#
- 2.Qe3#
- 1...Qxb6
- 2.Rxg3#
- 1...Rxh7
- 2.Rxg3#
- 1...Sxe2
- 2.Rxg3#
- 1...Qf2
- 2.Rxg3#
- 2.Qd3#
- 1...Qe3
- 2.Qb2#
- 2.Qxe3#
- 1...Qb4
- 2.Rxg3#
- 2.Rc7#
- 1...Qd4
- 2.Rb3#
- 2.Qb2#
- 2.Qc2#
- 1...Qd6
- 2.Rxg3#
- 2.Qb2#
- 1...Qb5
- 2.Rxg3#
- 1...Qd5
- 2.Rxg3#
- 2.Qb2#
- 1...Qe5
- 2.Qd3#
- 2.Qb2#
- 1...Qf5
- 2.Rxg3#
- 1...Qg5
- 2.Qd3#
- 2.Qb2#
- 1...Ra4
- 2.Rxg3#
- 1...Rb4
- 2.Rxg3#
- 1...Rd4
- 2.Rb3#
- 2.Qc2#
- 1...Re4
- 2.Rxg3#
- 1...Rf4
- 2.Rxg3#
- 1...Rch4
- 2.Rxg3#
- 1...Bb5
- 2.Rxg3#
- 1...Sd2
- 2.Rxg3#
- 2.Qd3#
- 2.Qxd2#
- 1...Sf3
- 2.Qd3#
- 2.Qb2#
- 1...Rg4!
- threat
- 1.Rc6?
- threat
- 2.Rxg3#
- 1...Kd4
- 2.Rd7#
- 1...Qxa3
- 2.Rb7#
- 1...Sxa3
- 2.Qd2#
- 1...Rg4
- 2.Rxg4#
- 1...Qd4
- 2.Qc2#
- 1...Qe5
- 2.Qxe5#
- 1...Qg5
- 2.Rxg5#
- 1...Rd4
- 2.Qc2#
- 1...Sf3!
- threat
- 1.Rd6?
- threat
- 2.Rd3#
- 2.Rxg3#
- 2.Qc2#
- 1...Qxd6
- 2.Rxg3#
- 1...Rxh7
- 2.Rd3#
- 2.Rxg3#
- 1...Sxa3
- 2.Qd2#
- 1...Sxe2
- 2.Rxg3#
- 1...Qd5
- 2.Rxg3#
- 1...Sd2
- 2.Rxg3#
- 2.Qxd2#
- 1...Rg4
- 2.Qc2#
- 1...Qf2
- 2.Rd3#
- 2.Rxg3#
- 1...Qe3
- 2.Qc2#
- 1...Qd4
- 2.Qc2#
- 1...Qe5
- 2.Rd3#
- 2.Qc2#
- 1...Qf5
- 2.Rxg3#
- 1...Qg5
- 2.Rd3#
- 2.Qc2#
- 1...Ra4
- 2.Rxg3#
- 2.Qc2#
- 1...Rb4
- 2.Rxg3#
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Rxg3#
- 1...Rf4
- 2.Rxg3#
- 2.Qc2#
- 1...Rch4
- 2.Rxg3#
- 2.Qc2#
- 1...Sf3
- 2.Rd3#
- 2.Qc2#
- 1...Qxa3!
- threat
- 1.Rxg3+?
- 1...Kd4
- 2.Rd6#
- 2.Qe4#
- 1...Qe3
- 2.Rc6#
- 1...Rxg3
- 2.Rf3#
- 1...Sf3
- 2.Rfxf3#
- 1...Bxg3+!
- 1...Kd4
- 1.Rf3+?
- Keys
- 1.Rc7!
- threat
- 2.Rf3#
- 1...Kd4
- 2.Rd6#
- 1...Qxa3
- 2.Rb6#
- 1...Sxa3
- 2.Qd2#
- 1...Qd4
- 2.Qc2#
- 1...Qe5
- 2.Qxe5#
- 1...Qf5
- 2.Rxf5#
- 1...Rd4
- 2.Qc2#
- 1...Rf4
- 2.Rxf4#
- 1...Sf3
- 2.Rxf3#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- Q(h);SBLOCK::QAR1(D)
- R(g);SBLOCK::QAR1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD,XP(F)::QAB1(D)
- Tries
- Try
- R(G);CHECK
- Vars
- Q(h);P_SPINQ(h)::B(J)+R(H)
- Refutation
- S(b);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(f);XB(I)::B(J)+R(H),DCHECK,XP(e)
- R(g);XR(G)::B(J)+R(H),DCHECK,XP(e)
- S(a);N_GUARD,XP(F)::QAB1(D)
- S(b);XQ(D)::B(J)+R(H),DCHECK,XP(e)
- R(g);::B(J)+R(H),DCHECK,XP(e)
- Q(h);::B(J)+R(H),DCHECK,XP(e)
- Q(h);::QAR1(D)
- R(g);::QAR1(D)
- S(b);::QAR1(D)
- Refutation
- Q(h);XP(F)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- K(d);S_FLIGHT::B(J)+R(H),DCHECK
- Q(h);XR(G)::B(J)+R(H),DCHECK,XP(e)
- R(f);XB(I)::B(J)+R(H),DCHECK,XP(e)
- S(b);XQ(D)::B(J)+R(H),DCHECK,XP(e)
- Q(h);::B(J)+R(H),DCHECK,XP(e)
- R(g);::B(J)+R(H),DCHECK,XP(e)
- B(i);::B(J)+R(H),DCHECK,XP(e)
- Refutation
- R(g);
- Try
- R(G);
- Threat
- B(J)+R(H),DCHECK,XP(e)
- Vars
- K(d);S_FLIGHT::B(J)+R(H),DCHECK
- Q(h);N_GUARD,P_SPINR(g),XP(F)::B(J)+R(H)
- S(a);N_GUARD,XP(F)::QAB1(D)
- R(g);N_GUARD,P_SPINQ(h)::B(J)+R(H),XR(g)
- Q(h);P_SPINR(g),SBLOCK::QAR1(D)
- Q(h);N_GUARD,P_SPINR(g)::QAB(D),XQ(h)
- Q(h);N_GUARD,P_SPINR(g)::B(J)+R(H),XQ(h)
- R(g);P_SPINQ(h),SBLOCK::QAR1(D)
- Refutation
- S(b);
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(h);XR(G)::B(J)+R(H),DCHECK,XP(e)
- S(a);N_GUARD,XP(F)::QAB1(D)
- S(b);XQ(D)::B(J)+R(H),DCHECK,XP(e)
- Q(h);P_PINP(E)::B(J)+R(H),DCHECK,XP(e)
- R(g);::QAR1(D)
- Q(h);::QAR1(D)
- Q(h);::B(J)+R(H),DCHECK,XP(e)
- R(g);::B(J)+R(H),DCHECK,XP(e)
- Refutation
- Q(h);XP(F)
- Try
- R(H);CHECK,XP(e)
- Vars
- Q(h);P_SPINQ(h)::B(J)+R(G)
- R(f);XR(H)::B(J)+R(G),DCHECK
- S(b);P_SPINS(b)::B(J)+R(G),DCHECK,XS(b)
- Refutation
- B(c);CHECK,XR(H)
- Try
- Actual
- R(H);
- Threat
- B(J)+R(G),DCHECK
- Vars
- K(d);S_FLIGHT::B(J)+R(G),DCHECK
- Q(h);N_GUARD,P_SPINR(g),XP(F)::B(J)+R(G)
- S(a);N_GUARD,XP(F)::QAB1(D)
- Q(h);P_SPINR(g),SBLOCK::QAR1(D)
- Q(h);N_GUARD,P_SPINR(g)::QAB(D),XQ(h)
- Q(h);N_GUARD,P_SPINR(g)::B(J)+R(G),XQ(h)
- R(g);P_SPINQ(h),SBLOCK::QAR1(D)
- R(g);N_GUARD,P_SPINQ(h)::B(J)+R(G),XR(g)
- S(b);::B(J)+R(G),DCHECK,XS(b)
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).