MESON Chess Problem Database
Problem Display
PID: 93155 (3R4/8/3B4/1P1k2P1/2p1n1P1/4P1p1/P5K1/1Q6 w - - 0 1)
Cauveren, Jonas Ephraim
Nederlandse Schaaktijdschrift, 1907
#2
9 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...c3
- 2.Qb3#
- 1...Sd2
- Tries
- 1.Bb8+?
- 1...Kc5
- 2.Ba7#
- 1...Sd6
- 2.Qf5#
- 1...Ke6!
- 1...Kc5
- 1.Rd7?
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...c3
- 2.Qb3#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Ke6!
- 1...Sxg5
- 1.Qd3+?
- 1...Ke6
- 2.Qxc4#
- 1...cxd3!
- 1...Ke6
- 1.Qf1?
- threat
- 2.Qf5#
- 2.Qf7#
- 1...Ke6
- 2.Qxc4#
- 2.Qf5#
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...Sd2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...c3
- 2.Qf7#
- 1...Sf2!
- threat
- 1.a3?
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Ke6!
- 1...Sxg5
- 1.a4?
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Ke6!
- 1...Sxg5
- 1.g6?
- 1...Sxd6
- 2.Qf5#
- 1...c3
- 2.Qb3#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sg5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Ke6!
- 1...Sxd6
- 1.Bb8+?
- Keys
- 1.Qc2!
- 1...Ke6
- 2.Qxc4#
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qf5#
- 1...c3
- 2.Qb3#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Ke6
- 1.Qc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);OGATE::QAR2(A)
- S(c);OGATE,XP(G)::QAR2(A)
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- P(b);OGATEB::QAB(A)
- Tries
- Try
- B(H);CHECK
- Vars
- K(d);P-FLIGHT::B(H)
- S(c);OGATE,P_SPINS(c)::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- R(I);
- Vars
- S(c);OGATE,XP(G)::QAR2(A)
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- P(b);OGATEB::QAB(A)
- S(c);OGATE::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(d);S_FLIGHT::QAB(A),XP(b)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(c);XP(G)::QAR2(A)
- S(c);P_SPINS(c),XB(H)::QAR2(A)
- S(c);::QAR2(A)
- P(b);::QAB(A)
- Refutation
- S(c);
- Try
- P(B);
- Vars
- S(c);OGATE,XP(G)::QAR2(A)
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- S(c);OGATE::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- P(B);
- Vars
- S(c);OGATE,XP(G)::QAR2(A)
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- S(c);OGATE::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- P(G);
- Vars
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- P(b);OGATEB::QAB(A)
- S(c);OGATE::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(d);S_FLIGHT::QAB(A),XP(b)
- S(c);OGATE,XP(G)::QAR2(A)
- S(c);OGATE,P_SPINS(c),XB(H)::QAR2(A)
- P(b);OGATEB::QAB(A)
- S(c);OGATE::QAR2(A)
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).