MESON Chess Problem Database
Problem Display
PID: 145322 (8/P2pP3/6Q1/3rkr2/1NRn1b1R/5n2/6B1/6NK w - - 0 1)
Nebendorf, Ernst
Die Schwalbe, 1940
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Sd3#
- 1...Rh5
- 2.Sd3#
- 1...Rf7
- 2.Sd3#
- 1...Rf8
- 2.Sd3#
- 1...Bc1
- 2.Sd3#
- 1...Bd2
- 2.Sd3#
- 1...Bh2
- 2.Sd3#
- 1...Be3
- 2.Sd3#
- 1...Bg3
- 2.Sd3#
- 1...Bg5
- 2.Sd3#
- 1...Bh6
- 2.Sd3#
- 1...Sxg1
- 2.Sd3#
- 1...Sd2
- 2.Sd3#
- 1...Sh2
- 2.Sd3#
- 1...Sxh4
- 2.Sd3#
- 1...Sg5
- 2.Sd3#
- 1...Sc2
- 2.Sxf3#
- 2.e8Q#
- 2.e8R#
- 1...Se2
- 2.Sxf3#
- 2.e8Q#
- 2.e8R#
- 1...Sb3
- 2.Sxf3#
- 2.e8Q#
- 2.e8R#
- 1...Sb5
- 2.Sxf3#
- 2.e8Q#
- 2.e8R#
- 1...Sc6
- 2.Sxf3#
- 1...Rg5
- Tries
- 1.Sxf3+?
- 1...Sxf3
- 2.e8Q#
- 2.e8R#
- 1...Ke4!
- 1...Sxf3
- 1.Sxf3+?
- Keys
- 1.a8Q!
- threat
- 2.Qxd5#
- 1...Ke4
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.Sd3#
- 1...Rb5
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 1...Rd6
- 2.Sd3#
- 1...Sc6
- 2.Sxf3#
- threat
- 1.a8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 16
- Sets
- R(f);::S(D)
- R(f);P_PINR(F)::S(D)
- B(c);::S(D)
- S(a);XS(A)::S(D)
- S(a);::S(D)
- S(a);XR(F)::S(D)
- S(b);N_GUARD::S(A),XS(a)
- Tries
- Try
- S(A);CHECK,XS(a)
- Vars
- S(b);XS(A)::P=Q
- Refutation
- K(e);P-FLIGHT,P_SPINB(c),P_SPINR(f),P_SPINS(b)
- Try
- Actual
- P(H);
- Threat
- QAR1(H),XR(d)
- Vars
- K(e);P-FLIGHT,P_SPINB(c),P_SPINR(d),P_SPINS(a)::P=Q
- R(d);::S(D)
- S(b);N_GUARD::S(A),XS(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).