MESON Chess Problem Database
Problem Display
PID: 2767 (4K1R1/6Np/6kp/3p1RP1/3P4/8/3rp3/2BBQ3 w - - 0 1)
Vollenweider, Odette (aka Baumgartner, Gabriel)
Comm., The Sun-Herald, 1961
#2
9 + 6
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
| 5395 | Schach fur Nussknacker | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.Rf6#
- 1...Ra2
- 2.Rf6#
- 1...Rb2
- 2.Rf6#
- 1...Rc2
- 2.Rf6#
- 1...Rd3
- 2.Rf6#
- 1...Rxd4
- 2.Rf6#
- 1...exd1Q
- 2.Qe6#
- 1...exd1S
- 2.Qe6#
- 1...exd1B
- 2.Qe6#
- 1...exd1R
- 2.Qe6#
- 1...Rxd1
- Tries
- 1.Ke7?
- 1...Rxd1
- 2.Rf6#
- 1...Rxd4
- 2.Rf6#
- 1...exd1Q
- 2.Qe6#
- 1...exd1S
- 2.Qe6#
- 1...exd1B
- 2.Qe6#
- 1...exd1R
- 2.Qe6#
- 1...hxg5
- 2.Rf6#
- 1...Ra2
- 2.Rf6#
- 1...Rb2
- 2.Rf6#
- 1...Rc2
- 2.Rf6#
- 1...Rd3
- 2.Rf6#
- 1...h5!
- 1...Rxd1
- 1.Bc2?
- 1...Rxc2
- 2.Rf6#
- 1...Rxd4
- 2.Rf6#
- 1...h5
- 2.Se6#
- 1...Rd1
- 2.Rf6#
- 1...Rd3
- 2.Rf6#
- 1...hxg5!
- 1...Rxc2
- 1.Rxd5?
- 1...Rxd1
- 2.Rd6#
- 1...exd1Q
- 2.Qe4#
- 2.Qe6#
- 1...exd1S
- 2.Qe4#
- 2.Qe6#
- 1...exd1B
- 2.Qe4#
- 2.Qe6#
- 1...exd1R
- 2.Qe4#
- 2.Qe6#
- 1...hxg5
- 2.Rd6#
- 1...h5
- 2.Sf5#
- 2.Se6#
- 1...Ra2
- 2.Rd6#
- 1...Rb2
- 2.Rd6#
- 1...Rc2
- 2.Bxc2#
- 2.Rd6#
- 1...Rd3
- 2.Rd6#
- 1...Rxd4!
- 1...Rxd1
- 1.Qxe2?
- threat
- 2.Qh5#
- 2.Qa6#
- 2.Qe6#
- 1...h5
- 2.Qxh5#
- 2.Qa6#
- 2.Qe6#
- 1...Ra2
- 2.Rf6#
- 2.Qh5#
- 2.Qe6#
- 1...Rb2
- 2.Rf6#
- 2.Qh5#
- 2.Qe6#
- 1...Rc2
- 2.Rf6#
- 2.Qh5#
- 2.Qe6#
- 1...Rd3
- 2.Rf6#
- 2.Qh5#
- 2.Qe6#
- 1...Rxe2+!
- threat
- 1.Ke7?
- Keys
- 1.Qf1!
- 1...e1Q+
- 2.Se6#
- 1...e1R+
- 2.Se6#
- 1...Rxd1
- 2.Rf6#
- 1...Rxd4
- 2.Rf6#
- 1...exd1Q
- 2.Qa6#
- 1...exd1S
- 2.Qa6#
- 1...exd1B
- 2.Qa6#
- 1...exd1R
- 2.Qa6#
- 1...exf1Q
- 2.Bh5#
- 1...exf1S
- 2.Bh5#
- 1...exf1B
- 2.Bh5#
- 1...exf1R
- 2.Bh5#
- 1...hxg5
- 2.Rf6#
- 1...e1S
- 2.Sh5#
- 2.Se6#
- 2.Bh5#
- 2.Qa6#
- 1...e1B
- 2.Sh5#
- 2.Se6#
- 2.Bh5#
- 2.Qa6#
- 1...h5
- 2.Se6#
- 1...Ra2
- 2.Rf6#
- 1...Rb2
- 2.Rf6#
- 1...Rc2
- 2.Rf6#
- 1...Rd3
- 2.Rf6#
- 1...e1Q+
- 1.Qf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(a);XB(B)::R1(E)
- R(a);::R1(E)
- R(a);XP(D)::R1(E)
- P(b);OGATE,XB(B)::QAR2(C)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- R(a);XB(B)::R1(E)
- R(a);XP(D)::R1(E)
- P(b);OGATE,XB(B)::QAR2(C)
- P(e);SBLOCK,XP(F)::R1(E)
- R(a);::R1(E)
- Refutation
- P(e);
- Try
- B(B);
- Vars
- R(a);XB(B)::R1(E)
- R(a);XP(D)::B(B)+R(E),DCHECK
- P(e);SBLOCK::R(I)+S(G)
- R(a);::B(B)+R(E),DCHECK
- R(a);::R1(E)
- Refutation
- P(e);XP(F)
- Try
- R(E);XP(c)
- Vars
- R(a);XB(B)::R(E)
- P(e);SBLOCK,XP(F)::R(E)
- R(a);::R(E)
- Refutation
- R(a);XP(D)
- Try
- Q(C);XP(b)
- Threat
- DUALS(3)
- Refutation
- R(a);CHECK,XQ(C)
- Try
- Actual
- Q(C);
- Vars
- P(b);CHECK::R(I)+S(G)
- R(a);XB(B)::R1(E)
- R(a);XP(D)::R1(E)
- P(b);OGATE,XB(B)::QAR(C)
- P(b);OGATE,XQ(C)::B(B)
- P(e);SBLOCK,XP(F)::R1(E)
- P(e);SBLOCK::R(I)+S(G)
- R(a);::R1(E)
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).