MESON Chess Problem Database
Problem Display
PID: 108992 (2K5/2p1N2p/3kp3/N1nP2Q1/1n6/B2R4/8/1rq5 w - - 0 1)
Molnar, Pal
Kezdok Ty., 1983
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Sc4#
- 1...Qd2
- 2.Sc4#
- 1...Qxa3
- 2.Sc4#
- 1...Qe3
- 2.Sc4#
- 1...Qd1
- 2.Sc4#
- 1...Qe1
- 2.Sc4#
- 1...Qf1
- 2.Sc4#
- 1...Qg1
- 2.Sc4#
- 1...Qh1
- 2.Sc4#
- 1...Qc4
- 2.Sxc4#
- 1...Sc2
- 2.Sc4#
- 1...Sc6
- 2.dxc6#
- 1...Sb3
- 2.Sb7#
- 1...Sxd3
- 2.Sb7#
- 1...Sa4
- 2.Sb7#
- 1...Se4
- 2.Sb7#
- 1...Sa6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Sd7
- 2.Sb7#
- 1...e5
- 2.Sf5#
- 1...Qb2
- Tries
- 1.Kd8?
- threat
- 2.Sc8#
- 1...Sc6+
- 2.dxc6#
- 1...Sb7+
- 2.Sxb7#
- 1...Qxg5
- 2.Sc4#
- 1...Scxd3
- 2.Sb7#
- 1...Sb3
- 2.Sb7#
- 1...Sa4
- 2.Sb7#
- 1...Se4
- 2.Sb7#
- 1...Sca6
- 2.Sb7#
- 1...Sd7
- 2.Sb7#
- 1...exd5!
- threat
- 1.Sg6?
- threat
- 2.Qe7#
- 2.Qe5#
- 1...Qxg5
- 2.Sc4#
- 1...Sbxd3
- 2.Qd8#
- 1...Scxd3
- 2.Sb7#
- 1...Sb3
- 2.Sb7#
- 2.Qe7#
- 1...Sa4
- 2.Sb7#
- 2.Qe7#
- 1...Se4
- 2.Sb7#
- 2.Qe7#
- 1...Sca6
- 2.Sb7#
- 2.Qe7#
- 1...Sb7
- 2.Sxb7#
- 2.Qe7#
- 1...Sd7
- 2.Sb7#
- 2.Qe7#
- 1...Qb2
- 2.Sc4#
- 2.Qe7#
- 1...Qe3
- 2.Sc4#
- 2.Qe7#
- 1...Qf4
- 2.Qe7#
- 1...Qe1
- 2.Sc4#
- 2.Qe7#
- 1...Qc3
- 2.Qe7#
- 1...Sc6
- 2.dxc6#
- 1...e5
- 2.Qe7#
- 2.Qxe5#
- 1...hxg6!
- threat
- 1.Qf6?
- threat
- 2.Sf5#
- 1...Sbxd3
- 2.Qxe6#
- 1...Scxd3
- 2.Sb7#
- 1...Sb3
- 2.Sb7#
- 1...Sa4
- 2.Sb7#
- 1...Se4
- 2.Sb7#
- 1...Sca6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Sd7
- 2.Sb7#
- 1...Qg5
- 2.Sc4#
- 1...Qf1
- 2.Sc4#
- 1...Qf4!
- threat
- 1.Kd8?
- Keys
- 1.Sec6!
- threat
- 2.Qe7#
- 2.Qe5#
- 1...Qxg5
- 2.Sc4#
- 1...Sbxd3
- 2.Qd8#
- 1...Sxc6
- 2.dxc6#
- 1...Scxd3
- 2.Sb7#
- 1...Sb3
- 2.Sb7#
- 2.Qe7#
- 1...Sa4
- 2.Sb7#
- 2.Qe7#
- 1...Se4
- 2.Sb7#
- 2.Qe7#
- 1...Sca6
- 2.Sb7#
- 2.Qe7#
- 1...Sb7
- 2.Sxb7#
- 2.Qe7#
- 1...Sd7
- 2.Sb7#
- 2.Qe7#
- 1...Qb2
- 2.Sc4#
- 2.Qe7#
- 1...Qe3
- 2.Sc4#
- 2.Qe7#
- 1...Qf4
- 2.Qe7#
- 1...Qe1
- 2.Sc4#
- 2.Qe7#
- 1...Qc3
- 2.Qe7#
- 1...e5
- 2.Qe7#
- 2.Qxe5#
- threat
- 1.Sec6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 18
- Sets
- Q(b);N_GUARD::S(C)
- Q(b);N_GUARD,XB(A)::S(C)
- Q(b);N_GUARD::S(C),XQ(b)
- S(c);P_SPINS(d),S_CUTQ(b)::S(C)
- S(c);OGATE,P_SPINS(d)::R(B)+P(D),XS(c)
- S(d);N_GUARD,P_SPINS(c)::S(C)
- S(d);N_GUARD,P_SPINS(c),XR(B)::S(C)
- S(d);N_GUARD,P_SPINS(c)::S(C),XS(d)
- P(f);N_GUARD,SBLOCK::S(F)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- S(F)
- Vars
- S(c);CHECK,OGATE,P_SPINS(d)::R(B)+P(D),XS(c)
- S(d);CHECK,N_GUARD,P_SPINS(c)::S(C),XS(d)
- Q(b);N_GUARD,P_PINS(F),XQ(E)::S(C)
- S(d);N_GUARD,P_SPINS(c),XR(B)::S(C)
- S(d);N_GUARD,P_SPINS(c)::S(C)
- Refutation
- P(f);P_SPINP(f),XP(D)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XQ(E)::S(C)
- S(c);P_SPINS(d),XR(B)::QAR2(E)
- S(d);N_GUARD,P_SPINS(c),XR(B)::S(C)
- Q(b);::QAB1(E)
- S(c);OGATE,P_SPINS(d)::R(B)+P(D),XS(c)
- Refutation
- P(h);XS(F)
- Try
- Q(E);P_PINP(f)
- Threat
- S(F)
- Vars
- S(c);P_SPINS(d),XR(B)::QAR1(E),XP(f)
- S(d);N_GUARD,P_SPINS(c),XR(B)::S(C)
- S(d);N_GUARD,P_SPINS(c)::S(C)
- S(d);N_GUARD,P_SPINS(c)::S(C),XS(d)
- Q(b);N_GUARD::S(C)
- Refutation
- Q(b);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XQ(E)::S(C)
- S(c);P_SPINS(d),XR(B)::QAR2(E)
- S(c);OGATE,P_SPINS(d),XS(F)::R(B)+P(D),XS(c)
- S(d);N_GUARD,P_SPINS(c),XR(B)::S(C)
- Q(b);::QAB1(E)
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).