MESON Chess Problem Database
Problem Display
PID: 6267 (1N3K2/2BN3p/4kpbR/3pp3/4n1P1/7p/7Q/8 w - - 0 1)
Pikler, Robert
Die Schwalbe, 1928
#2
7 + 8
| 5454 | Near Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.Qxe5#
- 1...Bh5
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Be8
- 2.Qxe5#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sg3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...d4
- 2.Qa2#
- 1...f5
- 2.Qxe5#
- 1...Bf5
- Tries
- 1.Rxg6?
- threat
- 2.Qxe5#
- 1...Sg3
- 2.Sc5#
- 2.Rxf6#
- 1...hxg6!
- threat
- 1.Qg3?
- 1...Sxg3
- 2.Sc5#
- 1...d4
- 2.Qb3#
- 1...Bf5
- 2.Qxe5#
- 1...Bh5
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Be8
- 2.Qxe5#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...f5
- 2.Qxe5#
- 1...h2!
- 1...Sxg3
- 1.Qb2?
- 1...d4
- 2.Qa2#
- 2.Qb3#
- 1...Bf5
- 2.Qxe5#
- 1...Bh5
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Be8
- 2.Qxe5#
- 1...Sd2
- 2.Sc5#
- 2.Qb6#
- 1...Sf2
- 2.Sc5#
- 2.Qb6#
- 1...Sc3
- 2.Sc5#
- 2.Qb6#
- 1...Sg3
- 2.Sc5#
- 2.Qb6#
- 1...Sc5
- 2.Sxc5#
- 2.Qb6#
- 1...Sg5
- 2.Sc5#
- 2.Qb6#
- 1...Sd6
- 2.Sc5#
- 1...f5
- 2.Qxe5#
- 1...h2!
- 1...d4
- 1.Qf2?
- 1...Sxf2
- 2.Sc5#
- 1...d4
- 2.Qa2#
- 1...Bf5
- 2.Qxf5#
- 2.gxf5#
- 1...Bh5
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Sd2
- 2.Sc5#
- 2.Qb6#
- 2.Qxf6#
- 1...Sc3
- 2.Sc5#
- 2.Qb6#
- 2.Qxf6#
- 1...Sg3
- 2.Sc5#
- 2.Qb6#
- 2.Qxf6#
- 1...Sc5
- 2.Sxc5#
- 2.Qxf6#
- 1...Sg5
- 2.Sc5#
- 2.Qb6#
- 2.Qxf6#
- 1...Sd6
- 2.Sc5#
- 2.Qxf6#
- 1...f5
- 2.Qxf5#
- 2.gxf5#
- 1...h2!
- 1...Sxf2
- 1.Rxg6?
- Keys
- 1.Qxh3!
- 1...d4
- 2.Qb3#
- 1...Bf5
- 2.gxf5#
- 1...Bh5
- 2.gxh5#
- 1...Bf7
- 2.g5#
- 1...Be8
- 2.g5#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sg3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...f5
- 2.gxf5#
- 1...d4
- 1.Qxh3!
Anticipated by 101350(1920)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(g);P_SPINP(f)::QAR1(A),XP(d)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(c);OGATEB::QAB(A)
- P(f);N_GUARD,P_SPINB(g)::QAR1(A),XP(d)
- Tries
- Try
- R(C);P_PINP(f),XB(g)
- Threat
- QAR1(A),XP(d)
- Refutation
- P(h);N_SPINP(f),XR(C)
- Try
- Q(A);
- Vars
- S(b);N_GUARD,XQ(A)::S(E)
- P(c);OGATEB::QAB(A)
- B(g);P_SPINP(f)::QAR1(A),XP(d)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(f);N_GUARD,P_SPINB(g)::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- B(g);P_SPINP(f)::QAR1(A),XP(d)
- S(b);N_GUARD::S(E)
- P(f);N_GUARD,P_SPINB(g)::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- S(b);N_GUARD,XQ(A)::S(E)
- P(c);OGATEB::QAB(A)
- B(g);N_GUARD,P_SPINP(f)::QAB1(A)
- Refutation
- P(a);
- Try
- Actual
- Q(A);XP(a)
- Vars
- P(c);OGATEB::QAB(A)
- B(g);OGATE,P_SPINP(f)::P(B),XB(g)
- B(g);OGATE,P_SPINP(f)::QAB(A)+P(B),XB(g)
- B(g);N_GUARD,P_SPINP(f)::QAB(A)+P(B)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(f);OGATE,P_SPINB(g)::P(B),XP(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).