MESON Chess Problem Database
Problem Display
PID: 69440 (8/8/2p1p3/8/1PN1kN2/2P2R2/Q7/7K w - - 0 1)
Markx, BJM
Tijdschrift vd NSB, 1898
#2
7 + 3
SOLUTION
- SOUND
- Tries
- 1.Sd2+?
- 1...Ke5
- 2.Qxe6#
- 1...Kf5!
- 1...Ke5
- 1.Sd6+?
- 1...Ke5
- 2.Qxe6#
- 1...Kxf3!
- 1...Ke5
- 1.Sd3?
- threat
- 2.Sd2#
- 1...Kxf3
- 2.Qg2#
- 1...Kd5!
- threat
- 1.Sh3?
- 1...Kxf3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Sd2#
- 1...Kd5!
- 1...Kxf3
- 1.Sxe6?
- 1...Kxf3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...Kd5!
- 1...Kxf3
- 1.Sg6?
- threat
- 2.Sd2#
- 1...Kxf3
- 2.Qg2#
- 1...Kd5!
- threat
- 1.Qg2?
- 1...Kf5
- 2.Qg6#
- 1...e5
- 2.Sd6#
- 1...c5!
- 1...Kf5
- 1.Sd2+?
- Keys
- 1.Sh5!
- 1...Kxf3
- 2.Qg2#
- 1...Kd5
- 2.Sf6#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Sd2#
- 1...Kxf3
- 1.Sh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);CHECK
- Vars
- K(a);P-FLIGHT::QAR1(B),XP(c)
- Refutation
- K(a);S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(a);P-FLIGHT::QAR1(B),XP(c)
- Refutation
- K(a);S_FLIGHT,XR(D)
- Try
- S(G);
- Threat
- S(F)
- Vars
- K(a);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- Refutation
- K(a);S_FLIGHT
- Try
- S(G);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- P(b);OGATEB::QAB(B)
- P(c);SBLOCK::S(F)
- Refutation
- K(a);S_FLIGHT
- Try
- S(G);XP(c)
- Vars
- K(a);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- P(b);OGATEB::QAB(B)
- Refutation
- K(a);S_FLIGHT
- Try
- S(G);
- Threat
- S(F)
- Vars
- K(a);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(B);
- Vars
- K(a);S_FLIGHT::QAB1(B)
- P(c);SBLOCK::S(F)
- Refutation
- P(b);
- Try
- Actual
- S(G);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- K(a);S_FLIGHT::S(G)
- P(b);OGATEB::QAB(B)
- P(c);SBLOCK::S(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).