MESON Chess Problem Database
Problem Display
PID: 70670 (7K/1n6/4N3/4P3/2p1P3/1kPp1n1p/1N4pR/Q1R2B2 w - - 0 1)
Pribyl, Vaclav
3rd HM., BCF, 1956-1957
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sxh2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sxe5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...gxf1Q
- 2.Qa4#
- 1...gxf1S
- 2.Qa4#
- 1...gxf1B
- 2.Qa4#
- 1...gxf1R
- 2.Qa4#
- 1...g1Q
- 2.Qa4#
- 1...g1S
- 2.Qa4#
- 1...g1B
- 2.Qa4#
- 1...g1R
- 2.Qa4#
- 1...d2
- 2.Bxc4#
- 1...Se1
- Tries
- 1.Kh7?
- 1...Sxh2
- 2.Sd4#
- 1...Sxe5
- 2.Sd4#
- 1...gxf1Q
- 2.Qa4#
- 1...gxf1S
- 2.Qa4#
- 1...gxf1B
- 2.Qa4#
- 1...gxf1R
- 2.Qa4#
- 1...g1Q
- 2.Qa4#
- 1...g1S
- 2.Qa4#
- 1...g1B
- 2.Qa4#
- 1...g1R
- 2.Qa4#
- 1...Se1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...d2
- 2.Bxc4#
- 1...Sg5+!
- 1...Sxh2
- 1.Sd1?
- 1...Sxh2
- 2.Sd4#
- 1...Sxe5
- 2.Sd4#
- 1...gxf1Q
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1R
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1Q
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1R
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...Se1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...d2!
- 1...Sxh2
- 1.Sxd3?
- 1...Sxh2
- 2.Sd4#
- 1...Sxe5
- 2.Sd4#
- 1...gxf1Q
- 2.Rb2#
- 2.Qa2#
- 1...gxf1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1R
- 2.Rb2#
- 2.Qa2#
- 1...g1Q
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1R
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...Se1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sa5
- 2.Sdc5#
- 2.Sec5#
- 1...Sc5
- 2.Sdxc5#
- 2.Sexc5#
- 1...Sd6
- 2.Sdc5#
- 2.Sec5#
- 1...Sd8
- 2.Sdc5#
- 2.Sec5#
- 1...cxd3!
- 1...Sxh2
- 1.Sa4?
- 1...Sxh2
- 2.Sd4#
- 1...Sxe5
- 2.Sd4#
- 1...gxf1Q
- 2.Rb2#
- 2.Qa2#
- 1...gxf1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...gxf1R
- 2.Rb2#
- 2.Qa2#
- 1...g1Q
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1S
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1B
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...g1R
- 2.Rb1#
- 2.Rb2#
- 2.Qa2#
- 1...Se1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sa5
- 2.Sac5#
- 2.Sec5#
- 1...Sc5
- 2.Saxc5#
- 2.Sexc5#
- 1...Sd6
- 2.Sac5#
- 2.Sec5#
- 1...Sd8
- 2.Sac5#
- 2.Sec5#
- 1...d2!
- 1...Sxh2
- 1.Bxd3?
- threat
- 2.Bxc4#
- 1...Sxe5
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...cxd3!
- threat
- 1.Rxg2?
- threat
- 2.Qa4#
- 1...d2
- 2.Bxc4#
- 1...Sd2
- 2.Sd4#
- 1...Sc5
- 2.Sxc5#
- 1...hxg2!
- threat
- 1.Kh7?
- Keys
- 1.Sxc4!
- 1...Kxc4
- 2.Qa4#
- 1...Sxh2
- 2.Sd2#
- 1...Sxe5
- 2.Sd2#
- 1...gxf1Q
- 2.Qa2#
- 1...gxf1S
- 2.Qa2#
- 1...gxf1B
- 2.Qa2#
- 1...gxf1R
- 2.Qa2#
- 1...g1Q
- 2.Qa2#
- 1...g1S
- 2.Qa2#
- 1...g1B
- 2.Qa2#
- 1...g1R
- 2.Qa2#
- 1...d2
- 2.Qa3#
- 1...Se1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Sg5
- 2.Sd2#
- 1...Sa5
- 2.Sxa5#
- 1...Sc5
- 2.Sa5#
- 1...Sd6
- 2.Sa5#
- 1...Sd8
- 2.Sa5#
- 1...Kxc4
- 1.Sxc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 21
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(I)
- S(d);N_GUARD,XR(E)::S(I)
- S(d);N_GUARD::S(I),XS(d)
- S(d);N_GUARD,XP(H)::S(I)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(a);XB(C)::QAB1(A)
- P(a);::QAB1(A)
- P(c);OGATE::B(C),XP(f)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- S(d);N_GUARD,XR(E)::S(I)
- S(d);N_GUARD,XP(H)::S(I)
- P(a);XB(C)::QAB1(A)
- P(a);::QAB1(A)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(c);OGATE::B(C),XP(f)
- Refutation
- S(d);CHECK
- Try
- S(D);
- Vars
- S(d);N_GUARD,XR(E)::S(I)
- S(d);N_GUARD,XP(H)::S(I)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(c);
- Try
- S(D);XP(c)
- Vars
- S(d);N_GUARD,XR(E)::S(I)
- S(d);N_GUARD,XP(H)::S(I)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- Refutation
- P(f);XS(D)
- Try
- S(D);
- Vars
- S(d);N_GUARD,XR(E)::S(I)
- S(d);N_GUARD,XP(H)::S(I)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- Refutation
- P(c);
- Try
- B(C);XP(c)
- Threat
- B(C),XP(f)
- Vars
- S(d);N_GUARD,XP(H)::S(I)
- S(d);N_GUARD::S(I)
- S(g);N_GUARD::S(I)
- Refutation
- P(f);XB(C)
- Try
- R(E);XP(a)
- Threat
- QAB1(A)
- Vars
- P(c);OGATE::B(C),XP(f)
- S(d);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(e);XR(E)
- Try
- Actual
- S(D);XP(f)
- Vars
- K(b);P_SPINP(c),S_FLIGHT,XS(D)::QAR2(A)
- S(d);N_GUARD,XR(E)::S(D)
- S(d);N_GUARD,XP(H)::S(D)
- P(a);XB(C)::QAB1(A)
- P(a);::QAB1(A)
- P(c);::QAR1(A)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(g);N_GUARD::S(D),XS(g)
- S(g);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).