MESON Chess Problem Database
Problem Display
PID: 137738 (B7/1rr5/1np2p2/N1NkPP2/p2P3q/7p/nBQ5/K2RR3 w - - 0 1)
Mosiashvili, Givi
Comm., Die Schwalbe, 2010
#2
11 + 10
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Qe4#
- 1...Qg3
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qxd4
- 2.Rxd4#
- 1...Qe4
- 2.Qxe4#
- 1...Qh5
- 2.Qe4#
- 1...Qh6
- 2.Qe4#
- 1...Qh7
- 2.Qe4#
- 1...Qh8
- 2.Qe4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...Sxa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...Qf2
- Tries
- 1.Sd3?
- threat
- 2.Qc5#
- 1...Qxe1
- 2.Sf4#
- 1...Qxd4
- 2.Sf4#
- 1...Sc3
- 2.Sb4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...c5!
- threat
- 1.Sxa4?
- threat
- 2.Qc5#
- 1...Sxa4
- 2.Qc4#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...c5
- 2.Sxb6#
- 1...Qxe1!
- threat
- 1.Sa6?
- threat
- 2.Qc5#
- 1...Sc3
- 2.Sb4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...c5
- 2.Sxc7#
- 1...Qxe1!
- threat
- 1.Se6?
- threat
- 2.Qc5#
- 1...Qxe1
- 2.Sf4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...c5
- 2.Sxc7#
- 1...Sc3!
- threat
- 1.Sd7?
- threat
- 2.Qc5#
- 1...Qxe1
- 2.Sxf6#
- 1...Sxd7
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...c5
- 2.Sxb6#
- 1...Sc3!
- threat
- 1.Qb3+?
- 1...Sc4
- 2.Qxc4#
- 1...axb3!
- 1...Sc4
- 1.Qg2+?
- 1...Qe4
- 2.Qxe4#
- 1...hxg2!
- 1...Qe4
- 1.Sd3?
- Keys
- 1.Se4!
- threat
- 2.Qc5#
- 1...Qxe1
- 2.Sxf6#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...c5
- 2.dxc5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- Q(d);N_GUARD::QAB1(E)
- Q(d);OGATE,P_PINB(D),P_SPINQ(d),XP(F)::R1(B),XQ(d)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD,XB(K)::QAB1(E)
- Tries
- Try
- S(H);
- Threat
- QAR1(E)
- Vars
- Q(d);N_GUARD,P_PINR(B),XR(C)::S(H)
- Q(d);N_GUARD,P_PINB(D),XP(F)::S(H)
- S(a);N_GUARD::S(H)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- Refutation
- P(g);P_SPINR(i)
- Try
- S(H);XP(c)
- Threat
- QAR1(E)
- Vars
- S(f);N_GUARD,XS(H)::QAB1(E)
- S(a);N_GUARD::S(H),XS(a)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- P(g);P_SPINR(i)::S(H),XS(f)
- Refutation
- Q(d);P_PINR(B),XR(C)
- Try
- S(H);
- Threat
- QAR1(E)
- Vars
- S(a);N_GUARD::S(H)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- P(g);P_SPINR(i)::S(H),XR(j)
- Refutation
- Q(d);P_PINR(B),XR(C)
- Try
- S(H);
- Threat
- QAR1(E)
- Vars
- Q(d);N_GUARD,P_PINR(B),XR(C)::S(H)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- P(g);P_SPINR(i)::S(H),XR(j)
- Refutation
- S(a);
- Try
- S(H);
- Threat
- QAR1(E)
- Vars
- Q(d);N_GUARD,P_PINR(B),XR(C)::S(H),XP(h)
- S(f);N_GUARD,XS(H)::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(g);P_SPINR(i)::S(H),XS(f)
- Refutation
- S(a);
- Try
- Q(E);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAB1(E),XS(f)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);CHECK
- Vars
- Q(d);N_GUARD,P_SPINQ(d)::QAB1(E),XQ(d)
- Refutation
- P(b);XQ(E)
- Try
- Actual
- S(H);
- Threat
- QAR1(E)
- Vars
- Q(d);N_GUARD,P_PINR(B),XR(C)::S(H),XP(h)
- S(a);N_GUARD::S(H),XS(a)
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- P(g);OGATE,P_SPINR(i)::R(B)+P(F),XP(g)
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).