MESON Chess Problem Database
Problem Display
PID: 261548 (Q3nR2/1B1N4/1pKPR1r1/2p1B2n/3bk1P1/3p3N/3PP3/1q6 w - - 0 1)
Vollenweider, Odette (aka Baumgartner, Gabriel)
Neue Zurcher Zeitung, 1957
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Kb5#
- 2.Kxb6#
- 1...Qa1
- 2.Kb5#
- 2.Kxb6#
- 1...Qc1
- 2.Kb5#
- 2.Kxb6#
- 1...Qd1
- 2.Kb5#
- 2.Kxb6#
- 1...Qe1
- 2.Kb5#
- 2.Kxb6#
- 1...Qf1
- 2.Kb5#
- 2.Kxb6#
- 1...Qg1
- 2.Kb5#
- 2.Kxb6#
- 1...Qh1
- 2.Kb5#
- 2.Kxb6#
- 1...Qb5+
- 2.Kxb5#
- 1...Rg5
- 2.Sxg5#
- 1...Rxe6
- 2.Sg5#
- 1...Rf6
- 2.Sg5#
- 1...Rh6
- 2.Sg5#
- 1...Ba1
- 2.Sf2#
- 1...Bg1
- 2.Bf6#
- 1...Bb2
- 2.Kb5#
- 2.Kxb6#
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Bf6#
- 1...Bc3
- 2.Sf2#
- 1...Be3
- 2.Bf6#
- 1...Sg3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Shg7
- 2.Rf4#
- 1...Sxd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Seg7
- 2.Kc7#
- 1...b5
- 2.Kb6#
- 1...Qc2
- Tries
- 1.Sxc5+?
- 1...Bxc5
- 2.Kd7#
- 2.Bf6#
- 1...bxc5!
- 1...Bxc5
- 1.Bh2+?
- 1...Rxe6
- 2.Sg5#
- 1...Be5!
- 1...Rxe6
- 1.Bg3+?
- 1...Rxe6
- 2.Sg5#
- 1...Be5!
- 1...Rxe6
- 1.Bf4+?
- 1...Rxe6
- 2.Sg5#
- 1...Be5!
- 1...Rxe6
- 1.Bg7+?
- 1...Rxe6
- 2.Sg5#
- 1...Be5!
- 1...Rxe6
- 1.Bh8+?
- 1...Rxe6
- 2.Sg5#
- 1...Be5!
- 1...Rxe6
- 1.Qxe8?
- threat
- 2.Kc7#
- 2.Qxg6#
- 1...Qb5+
- 2.Kxb5#
- 1...Rxg4
- 2.Kc7#
- 1...Rxe6
- 2.Kc7#
- 2.Sg5#
- 1...dxe2
- 2.Qxg6#
- 1...Qa2
- 2.Qxg6#
- 1...Qf1
- 2.Kb5#
- 2.Kxb6#
- 2.Kc7#
- 1...Qb3
- 2.Qxg6#
- 1...Rg5
- 2.Kc7#
- 2.Sxg5#
- 1...Rf6
- 2.Kc7#
- 2.Sg5#
- 1...Rh6
- 2.Kc7#
- 2.Sg5#
- 1...Rg7
- 2.Kc7#
- 1...Rg8
- 2.Kc7#
- 1...Sg3
- 2.Kc7#
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sf6
- 2.Qxg6#
- 1...Sg7
- 2.Kc7#
- 2.Rf4#
- 1...Bxe5!
- threat
- 1.exd3+?
- 1...Qxd3
- 2.Kxb6#
- 1...Kxd3!
- 1...Qxd3
- 1.Sxc5+?
- Keys
- 1.Qa1!
- 1...Qb5+
- 2.Kxb5#
- 1...Qxa1
- 2.Kb5#
- 2.Kxb6#
- 1...Rxg4
- 2.Bxd4#
- 1...Rxe6
- 2.Sg5#
- 1...Bxa1
- 2.Sf2#
- 1...Bxe5
- 2.Sf2#
- 2.Rxe5#
- 2.Qxe5#
- 1...Sxd6
- 2.Kxd6#
- 1...dxe2
- 2.Qxb1#
- 1...Qa2
- 2.Qh1#
- 1...Qc2
- 2.Kb5#
- 2.Kxb6#
- 2.Qh1#
- 1...Qc1
- 2.Kb5#
- 2.Kxb6#
- 1...Qd1
- 2.Kb5#
- 2.Kxb6#
- 1...Qe1
- 2.Kb5#
- 2.Kxb6#
- 1...Qf1
- 2.Kb5#
- 2.Kxb6#
- 1...Qg1
- 2.Kb5#
- 2.Kxb6#
- 1...Qh1
- 2.Kb5#
- 2.Kxb6#
- 2.Qxh1#
- 1...Qb2
- 2.Qh1#
- 1...Qb3
- 2.Qh1#
- 1...Qb4
- 2.Qh1#
- 1...Rg5
- 2.Sxg5#
- 1...Rf6
- 2.Sg5#
- 1...Rh6
- 2.Sg5#
- 1...Rg7
- 2.Bxd4#
- 1...Rg8
- 2.Bxd4#
- 1...Bg1
- 2.Bf6#
- 1...Bb2
- 2.Kb5#
- 2.Kxb6#
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Bf6#
- 1...Bc3
- 2.Sf2#
- 1...Be3
- 2.Bf6#
- 1...Sg3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Shf6
- 2.Bxd4#
- 1...Shg7
- 2.Rf4#
- 1...Sef6
- 2.Bxd4#
- 1...Sc7
- 2.Kxc7#
- 1...Seg7
- 2.Kc7#
- 1...c4
- 2.Qxd4#
- 1...b5
- 2.Kb6#
- 1...Qb5+
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Q(a);CHECK::B(I)+K(F),XQ(a)
- R(h);N_GUARD::S(C),XR(h)
- R(h);N_GUARD,P_PINP(G),XR(H)::S(C)
- R(h);N_GUARD::S(C)
- B(c);N_GUARD::S(C)
- B(c);N_GUARD::R(H)+B(E)
- S(f);N_GUARD::R1(L)
- S(f);N_GUARD::R1(L),XS(f)
- S(i);XP(G)::B(I)+K(F),XS(i)
- S(i);::B(I)+K(F),XS(i)
- S(i);::B(I)+K(F)
- P(g);::B(I)+K(F)
- Tries
- Try
- S(J);CHECK,XP(e)
- Refutation
- P(g);XS(J)
- Try
- B(E);CHECK
- Vars
- R(h);P_PINP(G),XR(H)::S(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- B(E);CHECK
- Vars
- R(h);P_PINP(G),XR(H)::S(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- B(E);CHECK
- Vars
- R(h);P_PINP(G),XR(H)::S(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- B(E);CHECK
- Vars
- R(h);P_PINP(G),XR(H)::S(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- B(E);CHECK
- Vars
- R(h);P_PINP(G),XR(H)::S(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(K);XS(i)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK::B(I)+K(F),XQ(a)
- R(h);XP(D)::B(I)+K(F)
- P(b);XP(B)::QAB(K),XR(h)
- Q(a);::QAB(K),XR(h)
- R(h);::B(I)+K(F)
- S(f);N_GUARD::R1(L),XS(f)
- S(f);::QAB(K),XR(h)
- Refutation
- B(c);P_SPINB(c),XB(E)
- Try
- P(B);CHECK,XP(b)
- Vars
- Q(a);SBLOCK,XP(B)::B(I)+K(F),XP(g)
- Refutation
- K(d);S_FLIGHT,XP(B)
- Try
- Actual
- Q(K);
- Vars
- Q(a);CHECK::B(I)+K(F),XQ(a)
- R(h);N_GUARD,XP(D)::R(H)+B(E),XB(c)
- R(h);N_GUARD,P_PINP(G),XR(H)::S(C)
- B(c);N_GUARD,XQ(K)::S(C)
- S(i);XP(G)::B(I)+K(F),XS(i)
- P(b);OGATEB,XP(B)::QAB(K),XQ(a)
- Q(a);OGATE::QAB(K)
- R(h);N_GUARD::S(C),XR(h)
- R(h);N_GUARD::S(C)
- R(h);N_GUARD::R(H)+B(E),XB(c)
- B(c);N_GUARD::R(H)+B(E)
- B(c);N_GUARD::S(C)
- S(f);N_GUARD::R1(L)
- S(f);N_GUARD::R1(L),XS(f)
- S(f);S_CUTR(h)::R(H)+B(E),XB(c)
- S(i);S_CUTR(h)::R(H)+B(E),XB(c)
- S(i);::B(I)+K(F),XS(i)
- S(i);::B(I)+K(F)
- P(e);N_GUARD::QAR1(K),XB(c)
- P(g);::B(I)+K(F)
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).