MESON Chess Problem Database
Problem Display
PID: 65192 (2K3b1/1NpR3n/Qpk1n3/8/4r3/2b1r3/N5R1/6BB w - - 0 1)
Baudoin, Jean-Francois
Die Schwalbe, 2005
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Sb4#
- 1...Sc5
- 2.Sd8#
- 1...Bd4
- Tries
- 1.Rb2?
- threat
- 2.Qb5#
- 1...Bxb2
- 2.Sb4#
- 1...Bb4
- 2.Sxb4#
- 1...Sd4!
- threat
- 1.Rg6?
- threat
- 2.Qc4#
- 1...Rf3
- 2.Sd8#
- 1...Bb4
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bf6
- 2.Sb4#
- 1...Sf6!
- threat
- 1.Qc4+?
- 1...Sc5
- 2.Sd8#
- 2.Rxc7#
- 1...Rxc4!
- 1...Sc5
- 1.Qa4+?
- 1...b5
- 2.Qa6#
- 1...Rxa4!
- 1...b5
- 1.Rb2?
- Keys
- 1.Rc2!
- threat
- 2.Sb4#
- 1...Rf3
- 2.Sa5#
- 1...Sc5
- 2.Sd8#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD,S_CUTR(c)::S(C)
- S(f);N_GUARD,SBLOCK::S(F)
- Tries
- Try
- R(D);P_PINR(c)
- Threat
- QAB1(E)
- Vars
- B(a);N_GUARD,XR(D)::S(C)
- B(a);N_GUARD::S(C),XB(a)
- Refutation
- S(f);
- Try
- R(D);P_PINR(c),P_PINS(f)
- Threat
- QAR2(E)
- Vars
- R(b);N_SPINR(c)::S(F)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- B(a);N_GUARD,N_SPINS(f)::S(C)
- Refutation
- S(h);N_SPINS(f)
- Try
- Q(E);CHECK,N_PINP(d)
- Refutation
- R(c);XQ(E)
- Try
- Q(E);CHECK,N_PINP(d)
- Vars
- P(d);OGATEB,P_SPINP(d)::QAR2(E)
- Refutation
- R(c);XQ(E)
- Try
- Actual
- R(D);P_PINB(a),P_PINR(c)
- Threat
- S(C)
- Vars
- R(b);N_SPINR(c)::S(F)
- S(f);N_GUARD,N_SPINB(a),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).