MESON Chess Problem Database
Problem Display
PID: 35807 (2n4n/1Q5K/1ppk4/3B2NR/1r2pNP1/4P1B1/3q4/2rR4 w - - 0 1)
Baumann, Hannes
Tages-Anzeiger, 1975
#2
10 + 9
| 3690 | Kunstschach in der Schweiz | 1980 |
| 5454 | Near Snap | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Qxc6#
- 1...Ke5
- 2.Sxe4#
- 1...Qa2
- 2.Sfe6#
- 1...Qc2
- 2.Sfe6#
- 1...Qe2
- 2.Sfe6#
- 1...Qxd5
- 2.Sfe6#
- 1...Rb1
- 2.Sxe4#
- 1...Rb2
- 2.Sxe4#
- 1...Rb3
- 2.Sxe4#
- 1...Rb5
- 2.Sxe4#
- 1...cxd5
- 2.Sd3#
- 2.Sfe6#
- 1...c5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sfh3#
- 2.Sfe6#
- 2.Sg6#
- 1...Kc5
- Tries
- 1.Se2+?
- 1...Kc5
- 2.Qxc6#
- 1...Kxd5!
- 1...Kc5
- 1.Sg2+?
- 1...Kc5
- 2.Qxc6#
- 1...Kxd5!
- 1...Kc5
- 1.Sfh3+?
- 1...Kc5
- 2.Qxc6#
- 1...Kxd5!
- 1...Kc5
- 1.Sg6+?
- 1...Kc5
- 2.Qxc6#
- 1...Kxd5!
- 1...Kc5
- 1.Sge6?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sg6#
- 2.Qc7#
- 1...Qxe3
- 2.Qc7#
- 1...Qxd5
- 2.Qc7#
- 1...Qe1
- 2.Qc7#
- 1...Qc3
- 2.Qc7#
- 1...Qb2
- 2.Qc7#
- 1...Qe2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sg6#
- 2.Qc7#
- 1...Qf2
- 2.Qc7#
- 1...Qg2
- 2.Sxg2#
- 2.Qc7#
- 1...Qh2
- 2.Qc7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sg6#
- 2.Qc7#
- 1...Qd4
- 2.Qc7#
- 1...Sg6
- 2.Sxg6#
- 2.Qc7#
- 1...Sf7
- 2.Qc7#
- 1...cxd5!
- threat
- 1.Sf7+?
- 1...Kc5
- 2.Qxc6#
- 1...Sxf7!
- 1...Kc5
- 1.Bxe4?
- threat
- 2.Sd3#
- 2.Sfe6#
- 1...Kc5
- 2.Qxc6#
- 1...Ke5
- 2.Sd5#
- 1...Rxe4
- 2.Sxe4#
- 1...Qd3
- 2.Sxd3#
- 2.Sfe6#
- 1...Qd4
- 2.Sfe6#
- 1...Qd5
- 2.Sfe6#
- 1...Rc5
- 2.Sd5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Rb5!
- threat
- 1.Be6?
- threat
- 2.Sd3#
- 1...Kc5
- 2.Sxe4#
- 1...Ke5
- 2.Sd5#
- 1...Qd3
- 2.Sxd3#
- 1...Qd4
- 2.Sxe4#
- 1...Rc5
- 2.Sd5#
- 1...Rb5
- 2.Sxe4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Qd5!
- threat
- 1.Bf7?
- threat
- 2.Sd3#
- 1...Kc5
- 2.Sxe4#
- 1...Ke5
- 2.Sd5#
- 1...Sxf7
- 2.Sxf7#
- 1...Qd3
- 2.Sxd3#
- 1...Qd4
- 2.Sxe4#
- 1...Qd5
- 2.Sfe6#
- 1...Rc5
- 2.Sd5#
- 1...Rb5
- 2.Sxe4#
- 1...Sg6!
- threat
- 1.Rh6+?
- 1...Kc5
- 2.Qxc6#
- 1...Ke5
- 2.Re6#
- 2.Qg7#
- 1...Sg6!
- 1...Kc5
- 1.Qc7+?
- 1...Kc5
- 2.Qxc6#
- 1...Kxc7!
- 1...Kc5
- 1.Qd7+?
- 1...Kc5
- 2.Qxc6#
- 1...Ke5
- 2.Sxe4#
- 2.Qe6#
- 1...Kxd7!
- 1...Kc5
- 1.Se2+?
- Keys
- 1.Bg8!
- threat
- 2.Sd3#
- 1...Kc5
- 2.Sxe4#
- 1...Ke5
- 2.Sd5#
- 1...Qd3
- 2.Sxd3#
- 1...Qd4
- 2.Sxe4#
- 1...Qd5
- 2.Sfe6#
- 1...Rc5
- 2.Sd5#
- 1...Rb5
- 2.Sxe4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- threat
- 1.Bg8!
Anticipated by 6552(1931)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- K(g);S_FLIGHT::QAR1(I),XP(f)
- K(g);S_FLIGHT::R(H)+S(G),XP(d)
- Q(b);::B(C)+S(D)
- Q(b);P_SPINQ(b),XB(F)::B(C)+S(D)
- R(c);N_GUARD::S(G),XP(d)
- Tries
- Try
- S(D);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);P-FLIGHT,P_SPINP(f),P_SPINQ(b),XB(F)
- Try
- S(D);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);P-FLIGHT,P_SPINP(f),P_SPINQ(b),XB(F)
- Try
- S(D);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);P-FLIGHT,P_SPINP(f),P_SPINQ(b),XB(F)
- Try
- S(D);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);P-FLIGHT,P_SPINP(f),P_SPINQ(b),XB(F)
- Try
- S(G);
- Threat
- DUALS(6)
- Vars
- Q(b);XP(B)::QAB1(I)
- Q(b);P_SPINQ(b),XB(F)::QAB1(I)
- Q(b);::QAB1(I)
- Q(b);P_PINR(H)::QAB1(I)
- S(i);::QAB1(I)
- Refutation
- P(f);XB(F)
- Try
- S(G);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- S(i);XS(G)
- Try
- B(F);P_PINQ(b),XP(d)
- Threat
- DUALS(2)
- Vars
- K(g);N_SPINQ(b),S_FLIGHT::QAR1(I),XP(f)
- K(g);N_SPINQ(b),S_FLIGHT::B(C)+S(D)
- R(c);XB(F)::S(G),XR(c)
- Q(b);::B(C)+S(D)
- R(a);SBLOCK::B(C)+S(D)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- Refutation
- R(c);
- Try
- B(F);P_PINQ(b)
- Threat
- B(C)+S(D)
- Vars
- K(g);N_SPINQ(b),S_FLIGHT::R(H)+S(G),DCHECK,XP(d)
- K(g);N_SPINQ(b),S_FLIGHT::B(C)+S(D)
- Q(b);::B(C)+S(D),XQ(b)
- Q(b);S_CUTR(c)::S(G),XP(d)
- R(a);SBLOCK::B(C)+S(D)
- R(c);N_GUARD::S(G),XP(d)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- Refutation
- Q(b);
- Try
- B(F);P_PINQ(b)
- Threat
- B(C)+S(D)
- Vars
- K(g);N_SPINQ(b),S_FLIGHT::R(H)+S(G),DCHECK,XP(d)
- K(g);N_SPINQ(b),S_FLIGHT::B(C)+S(D)
- S(i);XB(F)::S(G),XS(i)
- Q(b);::B(C)+S(D),XQ(b)
- Q(b);S_CUTR(c)::S(G),XP(d)
- Q(b);::B(C)+S(D)
- R(a);SBLOCK::B(C)+S(D)
- R(c);N_GUARD::S(G),XP(d)
- Refutation
- S(i);
- Try
- R(H);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(I);CHECK
- Vars
- K(g);P_SPINP(f),S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);S_FLIGHT,XQ(I)
- Try
- Q(I);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(I),XP(f)
- Refutation
- K(g);P-FLIGHT,XQ(I)
- Try
- Actual
- B(F);P_PINQ(b)
- Threat
- B(C)+S(D)
- Vars
- K(g);N_SPINQ(b),S_FLIGHT::R(H)+S(G),DCHECK,XP(d)
- K(g);N_SPINQ(b),S_FLIGHT::B(C)+S(D)
- Q(b);::B(C)+S(D),XQ(b)
- Q(b);S_CUTR(c)::S(G),XP(d)
- Q(b);::B(C)+S(D)
- R(a);SBLOCK::B(C)+S(D)
- R(c);N_GUARD::S(G),XP(d)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
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).