MESON Chess Problem Database
Problem Display
PID: 224680 (8/2p3p1/1pQ3K1/2n1P3/1P1k1N1B/1RpPn3/5P2/8 w - - 0 1)
Ohman, KM
The Sunny South, 1887
#2
9 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sxb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 2.Qxc3#
- 1...Se6
- 2.Qe4#
- 2.Qxc3#
- 1...Sb7
- 2.Qe4#
- 2.Qxc3#
- 1...Sd7
- 2.Qe4#
- 2.Qxc3#
- 1...b5
- 2.Qxc5#
- 1...Sd1
- Tries
- 1.Se2+?
- 1...Kxe5
- 2.Bg3#
- 2.f4#
- 2.d4#
- 1...Kxd3!
- 1...Kxe5
- 1.Se6+?
- 1...Kxe5
- 2.Bg3#
- 2.f4#
- 2.d4#
- 1...Sxe6
- 2.Qe4#
- 1...Kxd3!
- 1...Kxe5
- 1.Bf6?
- 1...Sxb3
- 2.Qe4#
- 1...Sxd3
- 2.Se2#
- 2.Se6#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 2.Qxc3#
- 1...Se6
- 2.Qe4#
- 2.Qxc3#
- 1...Sb7
- 2.Qe4#
- 2.Qxc3#
- 1...Sd7
- 2.Qe4#
- 2.Qxc3#
- 1...c2
- 2.Se2#
- 1...b5
- 2.Qxc5#
- 1...gxf6!
- 1...Sxb3
- 1.Qd6+?
- 1...Sd5
- 2.Qxd5#
- 1...cxd6!
- 1...Sd5
- 1.fxe3+?
- 1...Kxe5
- 2.Qd5#
- 2.Qxc7#
- 2.d4#
- 1...Kxe3!
- 1...Kxe5
- 1.Se2+?
- Keys
- 1.Bg3!
- 1...Kxe5
- 2.Se2#
- 2.Se6#
- 1...Sxb3
- 2.Qe4#
- 1...Sxd3
- 2.Se2#
- 2.Se6#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 2.Qxc3#
- 1...Se6
- 2.Qe4#
- 2.Qxc3#
- 1...Sb7
- 2.Qe4#
- 2.Qxc3#
- 1...Sd7
- 2.Qe4#
- 2.Qxc3#
- 1...c2
- 2.Se2#
- 1...b5
- 2.Qxc5#
- 1...Kxe5
- 1.Bg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(d);N_GUARD,XR(B)::QAR1(H)
- S(d);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAR1(H),XS(d)
- P(e);N_GUARD::QAB1(H),XS(d)
- Tries
- Try
- S(E);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINP(a),XP(C)
- Try
- S(E);CHECK
- Vars
- S(d);XS(E)::QAR1(H)
- Refutation
- K(c);P-FLIGHT,P_SPINP(a),XP(C)
- Try
- B(F);
- Vars
- S(d);N_GUARD,XR(B)::QAR1(H)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(d);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAR1(H),XS(d)
- P(a);::S(E)
- P(e);N_GUARD::QAB1(H),XS(d)
- Refutation
- P(g);XB(F)
- Try
- Q(H);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(H),XS(b)
- Refutation
- P(f);XQ(H)
- Try
- P(A);CHECK,XS(b)
- Refutation
- K(c);S_FLIGHT,XP(A)
- Try
- Actual
- B(F);
- Vars
- S(d);N_GUARD,XR(B)::QAR1(H)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(d);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAR1(H),XS(d)
- P(a);::S(E)
- P(e);N_GUARD::QAB1(H),XS(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).