MESON Chess Problem Database
Problem Display
PID: 138538 (n2N1n2/b3p3/pk2bR2/p2P4/rqB1P3/pR1NKP1p/P3P1pQ/6B1 w - - 0 1)
Nesic, Milivoj S
Mat, 1982
#2
13 + 13
| 6490 | yacpdb | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.Kd2#
- 1...Qb5
- 2.Kd2#
- 1...Bb8
- 2.Qxb8#
- 1...Sc7
- 2.Kf4#
- 1...Sg6
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...exf6
- 2.Qd6#
- 1...Qxb3
- Tries
- 1.Kd4?
- 1...exf6
- 2.Qd6#
- 1...Bb8
- 2.Qxb8#
- 1...Qb5
- 2.Kc3#
- 1...Sc7
- 2.Ke5#
- 1...Sg6
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...Qxb3!
- 1...exf6
- 1.Sb2?
- threat
- 2.Kd3#
- 2.Sxa4#
- 1...Kc5
- 2.Kd3#
- 1...axb2
- 2.Kd3#
- 1...Bb8
- 2.Kd3#
- 1...Sd7
- 2.Sxa4#
- 1...Qxb3+!
- threat
- 1.Rxb4+?
- 1...Rxb4
- 2.Kd2#
- 1...axb4!
- 1...Rxb4
- 1.Rg6?
- 1...Qxb3
- 2.Kd2#
- 1...Bb8
- 2.Qxb8#
- 1...Sd7
- 2.Rxe6#
- 1...Qb5
- 2.Kd2#
- 1...Sc7
- 2.Kf4#
- 1...Sh7
- 2.Rxe6#
- 1...Sxg6!
- 1...Qxb3
- 1.Rh6?
- 1...Qxb3
- 2.Kd2#
- 1...Bb8
- 2.Qxb8#
- 1...Sd7
- 2.Rxe6#
- 1...Qb5
- 2.Kd2#
- 1...Sc7
- 2.Kf4#
- 1...Sh7
- 2.Rxe6#
- 1...Sg6!
- 1...Qxb3
- 1.Qg3?
- 1...Qxb3
- 2.Kd2#
- 1...exf6
- 2.Qd6#
- 1...Bb8
- 2.Qxb8#
- 1...Sd7
- 2.Rxe6#
- 1...Qb5
- 2.Kd2#
- 1...Sc7
- 2.Kf4#
- 1...Sg6
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...h2!
- 1...Qxb3
- 1.Qe5?
- threat
- 2.Kf4#
- 1...Sd7
- 2.Rxe6#
- 1...Sg6
- 2.Rxe6#
- 1...h2!
- threat
- 1.Qc7+?
- 1...Sxc7
- 2.Kf4#
- 1...Kxc7+!
- 1...Sxc7
- 1.Kd4?
- Keys
- 1.Kf2!
- 1...Qxb3
- 2.Ke1#
- 1...exf6
- 2.Qd6#
- 1...Bb8
- 2.Qxb8#
- 1...Qb5
- 2.Ke1#
- 1...Sc7
- 2.Kg3#
- 1...Sg6
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...Qxb3
- 1.Kf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(e);N_SPINQ(e),P_PINS(F),XR(E)::B(A)+K(G)
- Q(e);::B(A)+K(G)
- B(j);N_GUARD::QAR2(D),XB(j)
- S(l);SBLOCK::B(A)+K(G)
- S(m);N_GUARD::R(L),XB(i)
- P(k);N_GUARD,N_SPINB(i),XR(L)::QAR2(D)
- Tries
- Try
- K(G);P_SPINB(I),S_FLIGHT
- Vars
- P(k);N_GUARD,N_SPINB(i),XR(L)::QAR2(D)
- B(j);N_GUARD::QAR2(D),XB(j)
- Q(e);::B(A)+K(G)
- S(l);SBLOCK::B(A)+K(G)
- S(m);N_GUARD::R(L),XB(i)
- Refutation
- Q(e);N_SPINQ(e),XR(E)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(h);N_SPINB(i),N_SPINQ(e),S_FLIGHT::B(A)+K(G)
- P(b);XS(F)::B(A)+K(G)
- B(j);::B(A)+K(G)
- S(m);::S(F),XR(d)
- Refutation
- Q(e);CHECK,N_SPINQ(e),XR(E)
- Try
- R(E);CHECK,XQ(e)
- Vars
- R(d);XR(E)::B(A)+K(G)
- Refutation
- P(f);XR(E)
- Try
- R(L);
- Vars
- Q(e);N_SPINQ(e),P_PINS(F),XR(E)::B(A)+K(G)
- B(j);N_GUARD::QAR2(D),XB(j)
- S(m);N_GUARD::R(L),XB(i)
- Q(e);::B(A)+K(G)
- S(l);SBLOCK::B(A)+K(G)
- Refutation
- S(m);N_SPINB(i),XR(L)
- Try
- R(L);
- Vars
- Q(e);N_SPINQ(e),P_PINS(F),XR(E)::B(A)+K(G)
- B(j);N_GUARD::QAR2(D),XB(j)
- S(m);N_GUARD::R(L),XB(i)
- Q(e);::B(A)+K(G)
- S(l);SBLOCK::B(A)+K(G)
- Refutation
- S(m);N_SPINB(i)
- Try
- Q(D);
- Vars
- Q(e);N_SPINQ(e),P_PINS(F),XR(E)::B(A)+K(G)
- P(k);N_GUARD,N_SPINB(i),XR(L)::QAR2(D)
- B(j);N_GUARD::QAR2(D),XB(j)
- S(m);N_GUARD::R(L),XB(i)
- Q(e);::B(A)+K(G)
- S(l);SBLOCK::B(A)+K(G)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- B(A)+K(G)
- Vars
- S(m);N_GUARD::R(L),XB(i)
- Refutation
- P(c);
- Try
- Q(D);CHECK
- Vars
- S(l);SBLOCK,XQ(D)::B(A)+K(G)
- Refutation
- K(h);CHECK,N_SPINB(i),N_SPINQ(e),S_FLIGHT,XQ(D)
- Try
- Actual
- K(G);S_FLIGHT
- Vars
- Q(e);N_SPINQ(e),XR(E)::B(A)+K(G)
- P(k);N_GUARD,N_SPINB(i),XR(L)::QAR2(D)
- B(j);N_GUARD::QAR2(D),XB(j)
- Q(e);::B(A)+K(G)
- S(l);SBLOCK::B(A)+K(G)
- S(m);N_GUARD::R(L),XB(i)
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).