MESON Chess Problem Database
Problem Display
PID: 19145 (1N6/RR6/p1p4K/k7/pn6/p3B3/r1pn1p1p/1rb1Qb1q w - - 0 1)
Mikan, Ilja
Il Problema, 1933
#2
6 + 15
| 5505 | Dobrodruzstvi 64 poli | 1973 |
SOLUTION
- SOUND
- Sets
- 1...Bb5
- 2.Bb6#
- 1...Sb3
- 2.Qxb4#
- 1...Sf3
- 2.Sxc6#
- 1...Sc4
- 2.Rxa6#
- 1...Se4
- 2.Sxc6#
- 1...Sd3
- 2.Rxa6#
- 1...Sd5
- 2.Sxc6#
- 1...Bb5
- Tries
- 1.Bg5?
- threat
- 2.Bd8#
- 1...Sb3
- 2.Qxb4#
- 1...Sf3
- 2.Sxc6#
- 1...Sc4
- 2.Rxa6#
- 1...Se4
- 2.Sxc6#
- 1...Sd3
- 2.Rxa6#
- 1...Sd5
- 2.Sxc6#
- 1...Qd5!
- threat
- 1.Bg5?
- Keys
- 1.Bf4!
- threat
- 2.Bc7#
- 1...Sb3
- 2.Qxb4#
- 1...Sf3
- 2.Sxc6#
- 1...Sc4
- 2.Rxa6#
- 1...Se4
- 2.Sxc6#
- 1...Sd3
- 2.Rxa6#
- 1...Sd5
- 2.Sxc6#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(c);SBLOCK::B(B)
- S(g);OGATE,P_PINB(B),P_SPINS(l)::QAB1(A),XS(l)
- S(g);P_PINB(B),P_SPINS(l),S_CUTQ(d)::S(F),XP(o)
- S(g);P_PINB(B),P_SPINS(l),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTQ(d)::S(F),XP(o)
- Tries
- Try
- B(B);
- Threat
- B(B)
- Vars
- S(g);OGATE,P_PINB(B),P_SPINS(l)::QAB1(A),XS(l)
- S(g);P_PINB(B),P_SPINS(l),S_CUTQ(d)::S(F),XP(o)
- S(g);P_PINB(B),P_SPINS(l),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTQ(d)::S(F),XP(o)
- Refutation
- Q(d);
- Try
- Actual
- B(B);
- Threat
- B(B)
- Vars
- S(g);OGATE,P_PINB(B),P_SPINS(l)::QAB1(A),XS(l)
- S(g);P_PINB(B),P_SPINS(l),S_CUTQ(d)::S(F),XP(o)
- S(g);P_PINB(B),P_SPINS(l),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTB(c)::R1(D),XP(n)
- S(l);N_GUARD,P_SPINS(g),S_CUTQ(d)::S(F),XP(o)
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).