MESON Chess Problem Database
Problem Display
PID: 183729 (5Nn1/3q2Q1/1P2Nrp1/R2pkr1p/1B1pPpR1/2PP1PPB/1b6/6K1 w - - 0 1)
Murashev, Pavel Aleksandrovich
Kudesnik, 2018
#2
14 + 11
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Rxd5#
- 2.Qc7#
- 1...Qb5
- 2.Qc7#
- 1...Qxe6
- 2.Sxg6#
- 1...Qc8
- 2.Rxd5#
- 1...Qe8
- 2.Rxd5#
- 2.Qc7#
- 1...Qa7
- 2.Rxd5#
- 1...Qc7
- 2.Rxd5#
- 2.Qxc7#
- 1...Qe7
- 2.Rxd5#
- 1...Qf7
- 2.Rxd5#
- 1...Qxg7
- 2.Rxd5#
- 1...Rg5
- 2.Rxg5#
- 2.gxf4#
- 1...Bc1
- 2.cxd4#
- 1...Ba3
- 2.cxd4#
- 1...dxc3
- 2.d4#
- 1...Qa4
- Tries
- 1.Sxd4?
- threat
- 2.Sxg6#
- 2.Sxd7#
- 1...Qxg7
- 2.Rxd5#
- 1...Qa4
- 2.Sxg6#
- 2.Rxd5#
- 1...Qb5
- 2.Sxg6#
- 1...Qc6
- 2.Sxc6#
- 2.Sxg6#
- 1...Qe6
- 2.Sxg6#
- 1...Qc8
- 2.Sxg6#
- 2.Rxd5#
- 1...Qe8
- 2.Rxd5#
- 1...Qd6
- 2.Sxg6#
- 1...Qa7
- 2.Sc6#
- 2.Sxg6#
- 2.Rxd5#
- 1...Qb7
- 2.Sxg6#
- 1...Qc7
- 2.Sxg6#
- 2.Rxd5#
- 1...Qe7
- 2.Sc6#
- 2.Sxg6#
- 2.Rxd5#
- 1...Qf7
- 2.Sc6#
- 1...Qd8
- 2.Sc6#
- 2.Sxg6#
- 1...Rg5
- 2.Sxd7#
- 2.gxf4#
- 1...Se7
- 2.Sxd7#
- 1...g5
- 2.Sg6#
- 2.Sxd7#
- 1...Bxc3!
- threat
- 1.Sg5?
- threat
- 2.Sxg6#
- 2.Sxd7#
- 1...Qxg7
- 2.Rxd5#
- 1...Rxg5
- 2.gxf4#
- 1...Qa4
- 2.Sf7#
- 2.Sxg6#
- 2.Rxd5#
- 1...Qb5
- 2.Sf7#
- 2.Sxg6#
- 1...Qc6
- 2.Sf7#
- 2.Sxg6#
- 1...Qe6
- 2.Sxg6#
- 1...Qc8
- 2.Sf7#
- 2.Sxg6#
- 2.Rxd5#
- 1...Qe8
- 2.Rxd5#
- 1...Qd6
- 2.Sf7#
- 2.Sxg6#
- 1...Qa7
- 2.Sxg6#
- 2.Rxd5#
- 1...Qb7
- 2.Sxg6#
- 1...Qc7
- 2.Sxg6#
- 2.Rxd5#
- 1...Qe7
- 2.Sxg6#
- 2.Rxd5#
- 1...Qf7
- 2.Sxf7#
- 1...Qd8
- 2.Sf7#
- 2.Sxg6#
- 1...Se7
- 2.Sf7#
- 2.Sxd7#
- 1...dxc3!
- threat
- 1.exd5?
- threat
- 2.Sxg6#
- 2.Sxd7#
- 1...Qxe6
- 2.Sxg6#
- 2.dxe6#
- 1...Qxd5
- 2.Qc7#
- 1...Qxg7
- 2.d6#
- 1...Rg5
- 2.Rxg5#
- 1...Qf7
- 2.d6#
- 1...Qa4
- 2.Sxg6#
- 2.Qc7#
- 1...Qc6
- 2.Sxg6#
- 2.dxc6#
- 1...Qc8
- 2.Sxg6#
- 1...Qe8
- 2.Qc7#
- 1...Qd6
- 2.Sxg6#
- 1...Qa7
- 2.Sxg6#
- 1...Qb7
- 2.Sxg6#
- 1...Qc7
- 2.Sxg6#
- 2.Qxc7#
- 1...Qe7
- 2.Sxg6#
- 2.d6#
- 1...Qd8
- 2.Sxg6#
- 2.d6#
- 1...Se7
- 2.Sxd7#
- 1...g5
- 2.Sg6#
- 2.Sxd7#
- 1...Qb5!
- threat
- 1.Sxd4?
- Keys
- 1.Rg5!
- threat
- 2.gxf4#
- 1...Qxe6
- 2.Sxg6#
- 1...Rxg5
- 2.Sxd7#
- 1...fxg3
- 2.f4#
- 1...Bc1
- 2.cxd4#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(j);N_SPINP(d),OGATE::QAB(M)
- Q(j);SBLOCK,XS(L)::S(N),XP(i)
- Q(j);N_GUARD::R1(J),XP(d)
- Q(j);N_GUARD,N_SPINR(h),XQ(M)::R1(J),XP(d)
- B(a);N_GUARD::P(B),XP(b)
- P(b);OGATE,XP(B)::P(C)
- Tries
- Try
- S(L);XP(b)
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,N_SPINR(h),XQ(M)::R1(J),XP(d)
- Q(j);N_SPINP(d)::S(N),XP(i)
- Q(j);::S(N),XP(i)
- Q(j);N_GUARD::R1(J),XP(d)
- Q(j);N_GUARD::S(L)
- S(k);::S(N),XQ(j)
- Refutation
- B(a);XP(B)
- Try
- S(L);
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,N_SPINR(h),XQ(M)::R1(J),XP(d)
- R(f);N_GUARD,XS(L)::P(E),XP(c)
- Q(j);::S(N),XP(i)
- Q(j);N_GUARD::R1(J),XP(d)
- Q(j);N_GUARD::S(L),XQ(j)
- Refutation
- P(b);XP(B)
- Try
- P(H);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(j);OGATE,P_SPINQ(j),XP(H)::QAB(M)
- Q(j);N_GUARD,N_SPINR(h),XQ(M)::R(J)+P(H)
- R(f);OGATEB::R(I),XR(f)
- Q(j);N_GUARD::R(J)+P(H)
- Q(j);::S(N),XP(i)
- Q(j);OGATE::QAB(M)
- S(k);::S(N),XQ(j)
- Refutation
- Q(j);
- Try
- Actual
- R(I);N_PINR(h),P_PINR(f)
- Threat
- P(E),XP(c)
- Vars
- Q(j);SBLOCK,XS(L)::S(N),XP(i)
- R(f);N_SPINR(f),P_PINP(E),P_SPINR(h),XR(I)::S(N),XQ(j)
- P(c);OGATE,XP(E)::P(D)
- B(a);N_GUARD::P(B),XP(b)
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).