MESON Chess Problem Database
Problem Display
PID: 217450 (2N5/8/bQnrp3/3pq3/2kN1nR1/r1P4p/2BP1B1K/8 w - - 0 1)
Ernst, Erich
Badische Neueste Nachrichten, 1992
#2
9 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Sxd6#
- 1...Qf6
- 2.Sxd6#
- 1...Qg7
- 2.Sxd6#
- 1...Qh8
- 2.Sxd6#
- 1...Qe1
- 2.Sxd6#
- 1...Qe2
- 2.Sxd6#
- 1...Qe3
- 2.Sxd6#
- 1...Qe4
- 2.Sxd6#
- 1...Qf5
- 2.Sxd6#
- 1...Qg5
- 2.Sxd6#
- 1...Qh5
- 2.Sxd6#
- 1...Rd7
- 2.Qxc6#
- 1...Rd8
- 2.Qxc6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Bxc8
- 2.Qb5#
- 1...Sb4
- 2.Qxb4#
- 1...Sxd4
- 2.Qb4#
- 1...Sa5
- 2.Qb4#
- 1...Sa7
- 2.Qb4#
- 1...Se7
- 2.Qb4#
- 1...Sb8
- 2.Qb4#
- 1...Sd8
- 2.Qb4#
- 1...Qxd4
- Tries
- 1.Se2?
- threat
- 2.Qc5#
- 2.d3#
- 1...Qxc3
- 2.Sxd6#
- 2.Qc5#
- 1...Qxe2
- 2.Sxd6#
- 2.Qc5#
- 1...Rxc3
- 2.Qc5#
- 1...Qd4
- 2.Sxd6#
- 1...Qe3
- 2.Sxd6#
- 1...Qe4
- 2.Sxd6#
- 2.Qc5#
- 1...Qf5
- 2.Sxd6#
- 2.Qc5#
- 1...Ra5
- 2.Qb3#
- 2.d3#
- 1...Sb4
- 2.Qc5#
- 2.Qxb4#
- 1...Sd4
- 2.Qb4#
- 1...d4!
- threat
- 1.Sf3?
- threat
- 2.Qc5#
- 1...Qd4
- 2.Sxd6#
- 1...Qe3
- 2.Sxd6#
- 1...Ra5
- 2.Qb3#
- 1...Sd4
- 2.Sxe5#
- 2.Qb4#
- 1...d4!
- threat
- 1.Sb5?
- threat
- 2.Sxa3#
- 2.Qc5#
- 2.d3#
- 1...Qxc3
- 2.Sbxd6#
- 2.Qc5#
- 1...Rxc3
- 2.Qc5#
- 1...Bxb5
- 2.Qc5#
- 1...Qd4
- 2.Sxa3#
- 2.Sbxd6#
- 2.Scxd6#
- 1...Qe2
- 2.Sxa3#
- 2.Sbxd6#
- 2.Scxd6#
- 2.Qc5#
- 1...Qe3
- 2.Sxa3#
- 2.Sbxd6#
- 2.Scxd6#
- 1...Qe4
- 2.Sxa3#
- 2.Sbxd6#
- 2.Scxd6#
- 2.Qc5#
- 1...Qf5
- 2.Sxa3#
- 2.Sbxd6#
- 2.Scxd6#
- 2.Qc5#
- 1...Ra1
- 2.Qc5#
- 2.d3#
- 1...Ra2
- 2.Qc5#
- 2.d3#
- 1...Rb3
- 2.Qc5#
- 2.d3#
- 1...Ra4
- 2.Qc5#
- 2.d3#
- 1...Ra5
- 2.Qc5#
- 2.d3#
- 1...Sb4
- 2.Sxa3#
- 2.Qc5#
- 1...Sd4
- 2.Sxa3#
- 1...d4!
- threat
- 1.Sf5?
- threat
- 2.Qc5#
- 1...Qd4
- 2.Sfxd6#
- 2.Scxd6#
- 1...Qe3
- 2.Sxe3#
- 2.Sfxd6#
- 2.Scxd6#
- 1...Ra5
- 2.Qb3#
- 1...Sd4
- 2.Qb4#
- 1...d4!
- threat
- 1.Sxc6?
- threat
- 2.Sxe5#
- 2.Qc5#
- 2.Qb4#
- 1...Qxc3
- 2.Sxd6#
- 2.Qc5#
- 1...Rxc6
- 2.Qb4#
- 2.Qxc6#
- 1...Qd4
- 2.Sxd6#
- 2.Qb4#
- 1...Qf6
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qg7
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qh8
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qe1
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qe2
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qe3
- 2.Sxd6#
- 2.Qb4#
- 1...Qe4
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qf5
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qg5
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Qh5
- 2.Sxd6#
- 2.Qc5#
- 2.Qb4#
- 1...Rb3
- 2.Sa5#
- 2.Sxe5#
- 2.Qc5#
- 2.Qxb3#
- 1...Ra4
- 2.Sxe5#
- 2.Qc5#
- 2.Qb3#
- 1...Ra5
- 2.Sxa5#
- 2.Sxe5#
- 2.Qb3#
- 2.Qb4#
- 1...Bb5
- 2.Sxe5#
- 2.Qc5#
- 1...d4!
- threat
- 1.Sxe6?
- threat
- 2.Qc5#
- 1...Qd4
- 2.Sxd6#
- 1...Qe3
- 2.Sxd6#
- 1...Ra5
- 2.Qb3#
- 1...d4!
- threat
- 1.Qb3+?
- 1...Kc5
- 2.Sxe6#
- 1...Rxb3!
- 1...Kc5
- 1.Qxa6+?
- 1...Kc5
- 2.Sb3#
- 2.Sxe6#
- 2.Qb5#
- 1...Rxa6!
- 1...Kc5
- 1.Se2?
- Keys
- 1.Rg3!
- 1...Qxd4
- 2.Sxd6#
- 1...Rxc3
- 2.Rxc3#
- 1...Bxc8
- 2.Qb5#
- 1...Sxd4
- 2.Qb4#
- 1...Qf6
- 2.Sxd6#
- 1...Qg7
- 2.Sxd6#
- 1...Qh8
- 2.Sxd6#
- 1...Qe1
- 2.Sxd6#
- 1...Qe2
- 2.Sxd6#
- 1...Qe3
- 2.Sxd6#
- 1...Qe4
- 2.Sxd6#
- 1...Qf5
- 2.Sxd6#
- 1...Qg5
- 2.Sxd6#
- 1...Qh5
- 2.Sxd6#
- 1...Ra1
- 2.Bb3#
- 1...Ra2
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Ra5
- 2.Bb3#
- 1...Rd7
- 2.Qxc6#
- 1...Rd8
- 2.Qxc6#
- 1...Bb5
- 2.Qxb5#
- 1...Bb7
- 2.Qb5#
- 1...Se2
- 2.Bd3#
- 1...Sg2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sh5
- 2.Bd3#
- 1...Sg6
- 2.Bd3#
- 1...Sb4
- 2.Qxb4#
- 1...Sa5
- 2.Qb4#
- 1...Sa7
- 2.Qb4#
- 1...Se7
- 2.Qb4#
- 1...Sb8
- 2.Qb4#
- 1...Sd8
- 2.Qb4#
- 1...Qxd4
- 1.Rg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD,XS(F)::S(I),XR(i)
- Q(f);N_GUARD::S(I),XR(i)
- Q(f);N_GUARD,P_PINB(C)::S(I),XR(i)
- R(i);N_GUARD::QAR2(H),XS(h)
- B(g);N_GUARD::QAB1(H),XB(g)
- B(g);N_GUARD::QAB1(H)
- B(g);N_GUARD,XS(I)::QAB1(H)
- S(h);N_GUARD::QAR1(H),XS(h)
- S(h);N_GUARD,XS(F)::QAR1(H)
- S(h);N_GUARD::QAR1(H)
- Tries
- Try
- S(F);P_PINS(d)
- Threat
- DUALS(2)
- Vars
- R(a);XP(E)::QAR1(H)
- Q(f);N_GUARD,N_SPINS(d)::S(I),XR(i)
- Q(f);N_GUARD::S(I),XR(i)
- S(h);N_GUARD,N_SPINS(d)::QAR1(H)
- Refutation
- P(e);N_SPINS(d)
- Try
- S(F);P_PINS(d)
- Threat
- QAR1(H)
- Vars
- Q(f);N_GUARD,N_SPINS(d)::S(I),XR(i)
- Q(f);N_GUARD::S(I),XR(i)
- R(a);N_GUARD::QAB1(H)
- Refutation
- P(e);N_SPINS(d)
- Try
- S(F);P_PINS(d)
- Threat
- DUALS(3)
- Vars
- R(a);XP(E)::QAR1(H)
- B(g);XS(F)::QAR1(H)
- S(h);N_SPINS(d)::S(F),XR(a)
- Refutation
- P(e);N_SPINS(d)
- Try
- S(F);P_PINS(d)
- Threat
- QAR1(H)
- Vars
- R(a);N_GUARD::QAB1(H)
- S(h);N_GUARD,N_SPINS(d)::QAR1(H)
- Refutation
- P(e);N_SPINS(d)
- Try
- S(F);P_PINS(d),XS(h)
- Threat
- DUALS(3)
- Refutation
- P(e);N_SPINS(d)
- Try
- S(F);P_PINS(d),XP(j)
- Threat
- QAR1(H)
- Vars
- Q(f);N_GUARD,N_SPINS(d)::S(I),XR(i)
- Q(f);N_GUARD::S(I),XR(i)
- R(a);N_GUARD::QAB1(H)
- Refutation
- P(e);N_SPINS(d)
- Try
- Q(H);CHECK
- Vars
- K(c);P-FLIGHT::B(C)+S(F),DCHECK,XP(j)
- Refutation
- R(a);XQ(H)
- Try
- Q(H);CHECK,XB(g)
- Refutation
- R(a);XQ(H)
- Try
- Actual
- R(G);
- Vars
- Q(f);N_GUARD,XS(F)::S(I),XR(i)
- R(a);OGATE,XP(E)::R1(G),XR(a)
- B(g);N_GUARD,XS(I)::QAB1(H)
- S(h);N_GUARD,XS(F)::QAR1(H)
- Q(f);N_GUARD::S(I),XR(i)
- Q(f);N_GUARD,P_PINB(C)::S(I),XR(i)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::B(A),XR(a)
- R(i);N_GUARD::QAR2(H),XS(h)
- B(g);N_GUARD::QAB1(H),XB(g)
- B(g);N_GUARD::QAB1(H)
- S(d);N_GUARD,P_PINR(G)::B(A)
- S(d);N_GUARD,P_PINR(G)::B(A),XS(d)
- S(h);N_GUARD::QAR1(H),XS(h)
- S(h);N_GUARD::QAR1(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).