MESON Chess Problem Database
Problem Display
PID: 261527 (Q5b1/3pR3/B1r5/5p2/nP1k1N2/N4P2/2pB4/2K5 w - - 0 1)
Vollenweider, Odette (aka Baumgartner, Gabriel)
Neue Zurcher Zeitung, 1961
#2
9 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Se2#
- 1...Rc4
- 2.Sb5#
- 1...Rc5
- 2.Se2#
- 1...Rb6
- 2.Sxc2#
- 2.Se2#
- 1...Rd6
- 2.Sxc2#
- 2.Se2#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Sxc2#
- 2.Se2#
- 1...Rg6
- 2.Sxc2#
- 2.Se2#
- 1...Rh6
- 2.Sxc2#
- 2.Se2#
- 1...Rc7
- 2.Se2#
- 1...Rc8
- 2.Se2#
- 1...Bc4
- 2.Sxc2#
- 1...Bd5
- 2.Se2#
- 1...Be6
- 2.Qh8#
- 1...Sc3
- 2.Sxc2#
- 2.Be3#
- 1...Sc5
- 2.Sxc2#
- 1...d5
- 2.Se2#
- 1...Rc3
- Tries
- 1.Bc3+?
- 1...Rxc3
- 2.Se2#
- 1...Sxc3
- 2.Sxc2#
- 1...Kxc3!
- 1...Rxc3
- 1.Bf1?
- threat
- 2.Sb5#
- 1...Re6
- 2.Qd5#
- 1...Be6
- 2.Qh8#
- 1...Rb6
- 2.Sxc2#
- 1...Bc4
- 2.Sxc2#
- 1...Sc3
- 2.Sxc2#
- 2.Be3#
- 1...Rc5!
- threat
- 1.Be2?
- threat
- 2.Sb5#
- 1...Re6
- 2.Qd5#
- 1...Be6
- 2.Qh8#
- 1...Rb6
- 2.Sxc2#
- 1...Bc4
- 2.Sxc2#
- 1...Sc3
- 2.Sxc2#
- 2.Be3#
- 1...Rc5!
- threat
- 1.Bd3?
- threat
- 2.Sb5#
- 1...Re6
- 2.Qd5#
- 1...Be6
- 2.Qh8#
- 1...Rb6
- 2.Sxc2#
- 1...Bc4
- 2.Sxc2#
- 1...Sc3
- 2.Sxc2#
- 2.Be3#
- 1...Rc5!
- threat
- 1.Qxc6?
- threat
- 2.Sxc2#
- 2.Sb5#
- 2.Se2#
- 2.Be3#
- 2.Qf6#
- 1...dxc6
- 2.Sxc2#
- 1...Bb3
- 2.Sb5#
- 2.Se2#
- 2.Be3#
- 2.Qf6#
- 1...Bc4
- 2.Sxc2#
- 2.Qxc4#
- 2.Qf6#
- 1...Sc3
- 2.Sxc2#
- 2.Bxc3#
- 2.Be3#
- 2.Qxc3#
- 2.Qc5#
- 2.Qb6#
- 2.Qf6#
- 1...Sc5
- 2.Sxc2#
- 2.Se2#
- 2.Qxc5#
- 2.Qf6#
- 1...d6
- 2.Sxc2#
- 2.Sb5#
- 2.Se2#
- 2.Be3#
- 1...Be6!
- threat
- 1.Qa7+?
- 1...Rc5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Sc5
- 2.Sxc2#
- 1...Sb6!
- 1...Rc5
- 1.Qxg8?
- threat
- 2.Sb5#
- 2.Se2#
- 2.Qd5#
- 2.Qg1#
- 1...Rxa6
- 2.Sxc2#
- 2.Sb5#
- 2.Qc4#
- 2.Qd5#
- 2.Qg1#
- 1...Rc5
- 2.Se2#
- 2.Qg1#
- 1...Rc3
- 2.Sb5#
- 2.Se2#
- 2.Qd5#
- 2.Qg7#
- 2.Qh8#
- 1...Rc4
- 2.Sb5#
- 2.Qxc4#
- 2.Qd5#
- 2.Qg1#
- 2.Qg7#
- 2.Qh8#
- 1...Rb6
- 2.Sxc2#
- 2.Se2#
- 2.Qc4#
- 2.Qd5#
- 2.Qg1#
- 1...Rd6
- 2.Sxc2#
- 2.Sb5#
- 2.Se2#
- 2.Qc4#
- 2.Qg1#
- 1...Rg6
- 2.Sxc2#
- 2.Sb5#
- 2.Se2#
- 2.Qc4#
- 2.Qd5#
- 1...Sc3
- 2.Sxc2#
- 2.Be3#
- 2.Qg1#
- 1...Sb6
- 2.Sb5#
- 2.Se2#
- 2.Qg1#
- 1...d5
- 2.Se2#
- 2.Qxd5#
- 2.Qg1#
- 1...Re6!
- threat
- 1.Bc3+?
- Keys
- 1.Bc4!
- threat
- 2.Se2#
- 1...Rxc4
- 2.Sb5#
- 1...Bxc4
- 2.Sxc2#
- 1...Re6
- 2.Qd5#
- 1...Be6
- 2.Qh8#
- 1...Sc3
- 2.Be3#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(e);::S(F)
- R(e);SBLOCK::S(C)
- R(e);OGATE::QAR1(I)
- B(g);S_CUTR(e)::S(C),XP(a)
- B(g);SBLOCK::S(F)
- B(g);OGATE::QAB(I)
- S(b);S_CUTR(e)::S(C),XP(a)
- P(f);SBLOCK::S(F)
- Tries
- Try
- B(B);CHECK
- Vars
- R(e);XB(B)::S(F)
- S(b);SBLOCK,XB(B)::S(C),XP(a)
- Refutation
- K(c);S_FLIGHT,XB(B)
- Try
- B(G);
- Threat
- S(C)
- Vars
- R(e);OGATE::QAR1(I)
- B(g);OGATE::QAB(I)
- R(e);N_GUARD::S(C),XP(a)
- B(g);S_CUTR(e)::S(C),XP(a)
- Refutation
- R(e);
- Try
- B(G);
- Threat
- S(C)
- Vars
- R(e);OGATE::QAR1(I)
- B(g);OGATE::QAB(I)
- R(e);N_GUARD::S(C),XP(a)
- B(g);S_CUTR(e)::S(C),XP(a)
- Refutation
- R(e);
- Try
- B(G);
- Threat
- S(C)
- Vars
- R(e);OGATE::QAR1(I)
- B(g);OGATE::QAB(I)
- R(e);N_GUARD::S(C),XP(a)
- B(g);S_CUTR(e)::S(C),XP(a)
- Refutation
- R(e);
- Try
- Q(I);XR(e)
- Threat
- DUALS(5)
- Vars
- P(f);XQ(I)::S(C),XP(a)
- Refutation
- B(g);
- Try
- Q(I);CHECK
- Vars
- R(e);P_SPINR(e)::S(C),XP(a)
- S(b);P_SPINS(b)::S(C),XP(a)
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(I);XB(g)
- Threat
- DUALS(4)
- Refutation
- R(e);
- Try
- Actual
- B(G);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XB(G)::S(C)
- B(g);SBLOCK,XB(G)::S(C),XP(a)
- R(e);OGATE::QAR1(I)
- B(g);OGATE::QAB(I)
- S(b);SBLOCK::B(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).