MESON Chess Problem Database
Problem Display
PID: 245451 (b1QN2B1/6nK/1p1p3R/1Np2P2/3Pk1p1/1P2p1Bp/2P1P3/r2r4 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Kudesnik, 2012
#2
12 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.cxd3#
- 1...Rxd4
- 2.Sc3#
- 1...Sxf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...cxd4
- 2.Sxd6#
- 1...Rd3
- Tries
- 1.Sc6?
- threat
- 2.Sc3#
- 2.Sxd6#
- 1...Rxd4
- 2.Sc3#
- 1...Sxf5
- 2.Sc3#
- 2.Qe6#
- 1...cxd4
- 2.Sxd6#
- 1...Se6
- 2.Qxe6#
- 1...Rd3
- 2.Sxd6#
- 2.cxd3#
- 1...Se8
- 2.Sc3#
- 2.Qe6#
- 1...d5
- 2.Sc3#
- 2.Sd6#
- 1...Bxc6!
- threat
- 1.Sb7?
- threat
- 2.S7xd6#
- 1...Rxd4
- 2.Sc3#
- 1...Sxf5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...d5
- 2.S7d6#
- 1...Bxb7!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Sfxd6#
- 1...Rxd4
- 2.Sc3#
- 2.Sg5#
- 1...Sxf5
- 2.Sg5#
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Sg5#
- 2.Qe6#
- 1...d5
- 2.Sg5#
- 2.Sfd6#
- 1...Kd5!
- threat
- 1.Rh4?
- threat
- 2.Rxg4#
- 1...Se6
- 2.Qxe6#
- 1...Sh5
- 2.Qe6#
- 1...Rf1!
- threat
- 1.Rxd6?
- threat
- 2.Sc3#
- 1...Se6
- 2.Qxe6#
- 1...Rd3
- 2.cxd3#
- 1...Bd5
- 2.Bxd5#
- 1...cxd4!
- threat
- 1.Re6+?
- 1...Kd5
- 2.Re5#
- 2.c4#
- 1...Sxe6
- 2.Qxe6#
- 1...Kxf5!
- 1...Kd5
- 1.Rg6?
- threat
- 2.Rxg4#
- 1...Se6
- 2.Qxe6#
- 1...Sh5
- 2.Qe6#
- 1...Rf1!
- threat
- 1.Qxa8+?
- 1...Kxf5
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Rxa8!
- 1...Kxf5
- 1.c3?
- threat
- 2.Sxd6#
- 1...Sxf5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...d5
- 2.Sd6#
- 1...Rxd4!
- threat
- 1.f6?
- threat
- 2.Qxg4#
- 1...Se6
- 2.Qxe6#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Rf1!
- threat
- 1.Sc6?
- Keys
- 1.Se6!
- threat
- 2.Sg5#
- 1...Kd5
- 2.Sc3#
- 1...Kxf5
- 2.Sxd6#
- 1...Sxe6
- 2.Qxe6#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);OGATE::P(A),XR(b)
- R(b);SBLOCK,XP(E)::S(F)
- S(j);N_GUARD,XP(G)::QAR2(J)
- S(j);N_GUARD::QAR2(J)
- S(j);N_GUARD::QAR2(J),XS(j)
- P(g);SBLOCK,XP(E)::S(F),XP(i)
- Tries
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::S(F)
- P(g);XP(E)::S(F),XP(i)
- S(j);N_GUARD::QAR2(J),XS(j)
- Refutation
- B(k);XS(K)
- Try
- S(K);
- Threat
- S(K),XP(i)
- Vars
- R(b);SBLOCK,XP(E)::S(F)
- S(j);N_GUARD,XP(G)::QAR2(J)
- S(j);N_GUARD::QAR2(J),XS(j)
- S(j);N_GUARD::QAR2(J)
- P(i);::S(K)
- Refutation
- B(k);XS(K)
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD::QAR2(J),XS(j)
- Refutation
- K(e);S_FLIGHT
- Try
- R(H);P_PINP(f)
- Threat
- R(H),XP(f)
- Vars
- S(j);N_GUARD::QAR2(J),XS(j)
- S(j);N_GUARD::QAR2(J)
- Refutation
- R(b);
- Try
- R(H);XP(i)
- Threat
- S(F)
- Vars
- S(j);N_GUARD::QAR2(J),XS(j)
- R(b);OGATE::P(A),XR(b)
- B(k);N_GUARD::B(L),XB(k)
- Refutation
- P(g);XP(E)
- Try
- R(H);CHECK
- Vars
- S(j);OGATE,XR(H)::QAR2(J),XS(j)
- Refutation
- K(e);S_FLIGHT,XP(G)
- Try
- R(H);
- Threat
- R(H),XP(f)
- Vars
- S(j);N_GUARD::QAR2(J),XS(j)
- S(j);N_GUARD::QAR2(J)
- Refutation
- R(b);
- Try
- Q(J);CHECK,XB(k)
- Vars
- K(e);S_FLIGHT,XP(G)::QAR2(J)
- P(i);P_SPINP(i)::QAB1(J),XP(i)
- Refutation
- R(a);XQ(J)
- Try
- P(A);
- Threat
- S(F),XP(i)
- Vars
- S(j);N_GUARD,XP(G)::QAR2(J)
- S(j);N_GUARD::QAR2(J),XS(j)
- S(j);N_GUARD::QAR2(J)
- P(i);::S(F)
- Refutation
- R(b);XP(E)
- Try
- P(G);
- Threat
- QAR2(J),XP(f)
- Vars
- S(j);N_GUARD::QAR2(J),XS(j)
- S(j);N_GUARD::QAR2(J)
- Refutation
- R(b);
- Try
- Actual
- S(K);
- Threat
- S(K)
- Vars
- K(e);S_FLIGHT::S(F)
- K(e);S_FLIGHT,XP(G)::S(F),XP(i)
- S(j);OGATE,XS(K)::QAR2(J),XS(j)
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).