MESON Chess Problem Database
Problem Display
PID: 37528 (8/3N3p/3pB1bN/2p4p/2pkn2R/B3p3/1pP5/bK2Q3 w - - 0 1)
Schneider, Michael
2nd HM., Schweizerische Schachzeitung, 1990
#2
8 + 11
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...e2
- 2.Qd2#
- 1...c3
- 2.Qd1#
- 1...d5
- 2.Bxc5#
- 1...Bf5
- Tries
- 1.Bxb2+?
- 1...c3
- 2.Qxc3#
- 2.Qd1#
- 1...Bxb2!
- 1...c3
- 1.Bb4?
- threat
- 2.Bc3#
- 2.Qc3#
- 2.Qd1#
- 1...e2
- 2.Qd2#
- 2.Qf2#
- 2.Qc3#
- 2.Qg1#
- 1...c3
- 2.Bxc3#
- 2.Qxc3#
- 2.Qd1#
- 1...cxb4!
- threat
- 1.Bf7?
- 1...e2
- 2.Qd2#
- 1...Bf5
- 2.Sxf5#
- 1...c3
- 2.Qd1#
- 1...d5
- 2.Bxc5#
- 1...Bxf7!
- 1...e2
- 1.Bg8?
- 1...e2
- 2.Qd2#
- 1...Bf5
- 2.Sxf5#
- 1...Be8
- 2.Sf5#
- 1...c3
- 2.Qd1#
- 1...d5
- 2.Bxc5#
- 1...Bf7!
- 1...e2
- 1.Rf4?
- 1...e2
- 2.Qd2#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...c3
- 2.Qd1#
- 1...d5
- 2.Bxc5#
- 1...h4!
- 1...e2
- 1.Qa5?
- 1...e2
- 2.Qd2#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...d5
- 2.Bxc5#
- 1...c3!
- 1...e2
- 1.Qg1?
- 1...Kc3
- 2.Qxe3#
- 1...Bf5
- 2.Qg7#
- 1...Bf7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...c3
- 2.Qd1#
- 1...d5!
- 1...Kc3
- 1.Qe2?
- threat
- 2.Qxc4#
- 1...Kc3
- 2.Qxe3#
- 1...c3
- 2.Qd1#
- 2.Qd3#
- 2.Qc4#
- 1...d5!
- threat
- 1.Bxb2+?
- Keys
- 1.Qg3!
- 1...Kc3
- 2.Qxe3#
- 1...Bf5
- 2.Qg7#
- 1...Bf7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...e2
- 2.c3#
- 1...c3
- 2.Qxd6#
- 1...d5
- 2.Qe5#
- 1...Kc3
- 1.Qg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(j);N_GUARD::S(G),XB(j)
- B(j);N_GUARD::S(G)
- P(c);N_GUARD::QAR2(B)
- P(d);SBLOCK::QAR(B)
- P(i);N_GUARD::B(D),XP(g)
- Tries
- Try
- B(D);CHECK,XP(b)
- Refutation
- B(a);XB(D)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- P(g);XB(D)
- Try
- B(F);
- Vars
- P(c);N_GUARD::QAR2(B)
- B(j);N_GUARD::S(G),XB(j)
- P(d);SBLOCK::QAR(B)
- P(i);N_GUARD::B(D),XP(g)
- Refutation
- B(j);XB(F)
- Try
- B(F);
- Vars
- P(c);N_GUARD::QAR2(B)
- B(j);N_GUARD::S(G),XB(j)
- B(j);N_GUARD::S(G)
- P(d);SBLOCK::QAR(B)
- P(i);N_GUARD::B(D),XP(g)
- Refutation
- B(j);
- Try
- R(E);
- Vars
- P(c);N_GUARD::QAR2(B)
- B(j);N_GUARD::S(G),XB(j)
- B(j);N_GUARD::S(G)
- P(d);SBLOCK::QAR(B)
- P(i);N_GUARD::B(D),XP(g)
- Refutation
- P(h);
- Try
- Q(B);
- Vars
- P(c);N_GUARD::QAR2(B)
- B(j);N_GUARD::S(G),XB(j)
- B(j);N_GUARD::S(G)
- P(i);N_GUARD::B(D),XP(g)
- Refutation
- P(d);
- Try
- Q(B);P_PINP(c)
- Vars
- K(e);N_SPINP(c),N_SPINS(f),S_FLIGHT::QAR2(B),XP(c)
- B(j);OGATE::QAB(B)
- P(d);SBLOCK::QAR(B)
- Refutation
- P(i);
- Try
- Q(B);
- Threat
- QAR1(B),XP(d)
- Vars
- K(e);N_SPINS(f),S_FLIGHT::QAR2(B),XP(c)
- Refutation
- P(i);
- Try
- Actual
- Q(B);
- Vars
- K(e);N_SPINS(f),P_SPINP(c),S_FLIGHT::QAR2(B),XP(c)
- B(j);OGATE::QAB(B)
- P(c);::P(C)
- P(d);SBLOCK::QAR2(B),XP(i)
- P(i);N_GUARD::QAB1(B)
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).