MESON Chess Problem Database
Problem Display
PID: 78943 (1Bb5/3p3r/p2RP2p/N1k3bR/Pp1N4/1Bn2p2/P4K2/2Q2n2 w - - 0 1)
Hirschenson, Aaron
3rd Prize, Koldijk MT, 2006
#2
11 + 11
| 102 | Probleemblad | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Sxb7#
- 1...Bb7
- Tries
- 1.Sb5?
- threat
- 2.Ba7#
- 1...dxe6
- 2.Rc6#
- 1...axb5!
- threat
- 1.Bd1?
- threat
- 2.Sdb3#
- 1...b3
- 2.Qa3#
- 2.Qxc3#
- 1...Sd2!
- threat
- 1.Bc2?
- threat
- 2.Sdb3#
- 1...Sd1+
- 2.Bxd1#
- 1...Se4+
- 2.Bxe4#
- 1...Sxa4
- 2.Bxa4#
- 1...b3
- 2.Qa3#
- 1...Sd2!
- threat
- 1.Qxg5+?
- 1...Sd5
- 2.Qxd5#
- 1...hxg5!
- 1...Sd5
- 1.exd7?
- threat
- 2.Se6#
- 1...Bxd7
- 2.Sb7#
- 1...Re7!
- threat
- 1.Sb5?
- Keys
- 1.Sf5!
- threat
- 2.Ba7#
- 1...Be3+
- 2.Sxe3#
- 1...Bh4+
- 2.Sxh4#
- 1...dxe6
- 2.Rc6#
- 1...Bd8
- 2.Se7#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- B(k);N_GUARD::S(G),XB(k)
- Tries
- Try
- S(F);
- Threat
- B(K)
- Vars
- P(i);N_GUARD,XP(J)::R1(I)
- Refutation
- P(g);XS(F)
- Try
- B(D);
- Threat
- S(F)
- Refutation
- S(a);
- Try
- B(D);N_PINS(b)
- Threat
- S(F)
- Vars
- S(b);CHECK,OGATEB::QAR(A)+B(D),XS(b)
- S(b);OGATE,XP(E)::QAR(A)+B(D),XS(b)
- P(d);OGATEB::QAB(A)
- Refutation
- S(a);
- Try
- Q(A);CHECK,N_PINS(b),XB(f)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
- Refutation
- P(h);P_SPINP(h),XQ(A)
- Try
- P(J);XP(i)
- Threat
- S(F)
- Vars
- B(k);N_GUARD,XP(J)::S(G)
- Refutation
- R(j);
- Try
- Actual
- S(F);N_PINB(f)
- Threat
- B(K)
- Vars
- B(f);CHECK::R(H)+S(F),XB(f)
- P(i);N_GUARD,XP(J)::R1(I)
- B(f);::R(H)+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).