MESON Chess Problem Database
Problem Display
PID: 110740 (8/1n3p1B/5B2/5p2/1pP1k1p1/1P1N1pK1/5pN1/4bQ2 w - - 0 1)
Pfeiffer, Mieczyslaw
1st Prize, Express Wieczorny, 1948
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...fxg2
- 2.Qe2#
- 1...Bd2
- Tries
- 1.Kh2?
- 1...fxg2
- 2.Qe2#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...g3+!
- 1...fxg2
- 1.Kh4?
- 1...fxg2
- 2.Qe2#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...g3!
- 1...fxg2
- 1.Sxb4?
- threat
- 2.Qd3#
- 1...Bxb4
- 2.Qb1#
- 1...Sc5!
- threat
- 1.Bg7?
- 1...fxg2
- 2.Qe2#
- 1...Sc5
- 2.Sxc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...f6!
- 1...fxg2
- 1.Bh8?
- 1...fxg2
- 2.Qe2#
- 1...Sc5
- 2.Sxc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...f6!
- 1...fxg2
- 1.Bg6?
- 1...fxg2
- 2.Qe2#
- 1...Sc5
- 2.Sxc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...fxg6!
- 1...fxg2
- 1.Bg8?
- 1...fxg2
- 2.Qe2#
- 1...Sc5
- 2.Sxc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...f4+!
- 1...fxg2
- 1.Kh2?
- Keys
- 1.Qxf2!
- 1...Bxf2+
- 2.Sxf2#
- 1...Kxd3
- 2.Bxf5#
- 1...fxg2
- 2.Bxf5#
- 1...Sc5
- 2.Sxc5#
- 1...Bd2
- 2.Qd4#
- 1...Bc3
- 2.Qe3#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bxf2+
- 1.Qxf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- P(c);N_GUARD,XS(B)::QAR2(A)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- P(f);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- P(f);
- Try
- S(D);XP(d)
- Threat
- QAB1(A)
- Vars
- B(a);OGATE,XS(D)::QAB(A)
- Refutation
- S(h);
- Try
- B(G);
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- S(h);N_GUARD::S(D),XS(h)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- Refutation
- P(i);
- Try
- B(G);
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- S(h);N_GUARD::S(D),XS(h)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- Refutation
- P(i);
- Try
- B(H);
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- S(h);N_GUARD::S(D),XS(h)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- Refutation
- P(i);N_SPINP(g),XB(H)
- Try
- B(H);N_PINP(g)
- Vars
- P(c);N_GUARD,XS(B)::QAR2(A)
- S(h);N_GUARD::S(D),XS(h)
- B(a);N_GUARD::S(D),XP(b)
- S(h);N_GUARD::S(D)
- Refutation
- P(g);CHECK
- Try
- Actual
- Q(A);P_SPINQ(A),XP(b)
- Vars
- B(a);CHECK,XQ(A)::S(D),XB(a)
- K(e);S_FLIGHT,XS(D)::B(H),XP(g)
- P(c);XS(B)::B(H),XP(g)
- S(h);N_GUARD::S(D),XS(h)
- B(a);N_PINQ(A)::QAR1(A)
- S(h);N_GUARD::S(D)
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).