MESON Chess Problem Database
Problem Display
PID: 284090 (1Bn1R3/3bpN2/3r1Q1b/5P1K/2np1k1p/1R4p1/1N2P1B1/4r2q w - - 0 1)
Murashev, Pavel Aleksandrovich
Zaragoza-65 JT (Problemas), 2025
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...Bxf5
- 2.Qxh6#
- 1...Sxb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Sd3#
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...S4b6
- 2.Qe5#
- 1...exf6
- 2.Rf3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bg5
- Tries
- 1.Sxc4?
- threat
- 2.Qe5#
- 1...exf6
- 2.Rf3#
- 1...Bg7
- 2.Qg5#
- 1...e5
- 2.Qxe5#
- 2.fxe5 ep#
- 1...Rxe2!
- threat
- 1.Bxd6+?
- 1...Se5
- 2.Bxe5#
- 2.Qxe5#
- 1...S4xd6
- 2.Qe5#
- 1...exd6
- 2.Sd3#
- 2.Rf3#
- 2.Re4#
- 1...e5
- 2.fxe5 ep#
- 1...S8xd6!
- 1...Se5
- 1.Rxe7?
- threat
- 2.Sd3#
- 2.Rf3#
- 2.Re4#
- 1...Qxg2
- 2.Sd3#
- 1...Rxe2
- 2.Sd3#
- 2.Rf3#
- 1...Sxb2
- 2.Rf3#
- 2.Re4#
- 2.Qe5#
- 1...Qf1
- 2.Sd3#
- 2.Re4#
- 1...Rd1
- 2.Rf3#
- 2.Re4#
- 1...Rf1
- 2.Sd3#
- 2.Re4#
- 1...Bc6
- 2.Sd3#
- 1...Be6
- 2.fxe6#
- 1...Sd2
- 2.Sd3#
- 2.Qe5#
- 1...Se3
- 2.Sd3#
- 2.Re4#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...d3
- 2.Sxd3#
- 2.Re4#
- 1...Sxe7!
- threat
- 1.Qe6?
- threat
- 2.Sd3#
- 2.Rf3#
- 2.Qe4#
- 1...Qxg2
- 2.Sd3#
- 1...Rxe2
- 2.Sd3#
- 2.Rf3#
- 1...Sxb2
- 2.Rf3#
- 2.Qe4#
- 2.Qe5#
- 1...Qf1
- 2.Sd3#
- 2.Qe4#
- 1...Rd1
- 2.Rf3#
- 2.Qe4#
- 1...Rf1
- 2.Sd3#
- 2.Qe4#
- 1...Bc6
- 2.Sd3#
- 1...Sd2
- 2.Sd3#
- 2.Qe5#
- 1...Se3
- 2.Sd3#
- 2.Qe4#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...d3
- 2.Sxd3#
- 2.Qe4#
- 1...Bxe6!
- threat
- 1.e3+?
- 1...Sxe3
- 2.Sd3#
- 2.Qe5#
- 1...dxe3
- 2.Sd3#
- 1...Rxe3!
- 1...Sxe3
- 1.Sxc4?
- Keys
- 1.e4!
- threat
- 2.Qxh6#
- 1...Qxg2
- 2.Qxh4#
- 1...Rxe4
- 2.Rf3#
- 1...exf6
- 2.Rf3#
- 1...dxe4 ep
- 2.Sd3#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...Se5
- 2.Qxe5#
- 1...e5
- 2.fxe5 ep#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- B(i);N_GUARD::QAB1(G),XB(i)
- B(i);N_GUARD::QAB1(G)
- B(j);P_SPINB(j),SBLOCK,XP(E)::QAB(G),XB(i)
- S(d);N_GUARD,XS(A)::QAB1(G)
- S(d);N_GUARD::QAB1(G)
- S(d);N_GUARD,N_SPINR(h)::QAB1(G),XS(d)
- P(k);XQ(G)::R1(D)
- P(k);N_SPINR(h),OGATE::QAR(G)+P(E),XP(k),EP
- P(k);OGATE::QAR(G)+P(E),XP(k)
- Tries
- Try
- S(A);XS(d)
- Threat
- QAB1(G)
- Vars
- P(k);XQ(G)::R1(D)
- B(i);N_GUARD::QAB1(G)
- Refutation
- R(a);XP(B)
- Try
- B(I);CHECK,XR(h)
- Vars
- S(d);N_GUARD,XB(I)::QAB1(G)
- P(k);OGATE,P_SPINP(k)::QAR(G)+P(E)DCHECK,XP(k),EP
- Refutation
- S(l);XB(I)
- Try
- R(J);XP(k)
- Threat
- DUALS(3)
- Vars
- Q(b);XB(C)::S(A)
- B(j);::S(A)
- B(j);OGATE::QAR(G)+P(E),XB(j)
- S(d);N_GUARD,N_SPINR(h)::QAB1(G),XS(d)
- Refutation
- S(l);XR(J)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- Q(b);XB(C)::S(A)
- B(j);::S(A)
- S(d);N_GUARD,N_SPINR(h)::QAB1(G),XS(d)
- Refutation
- B(j);XQ(G)
- Try
- P(B);CHECK
- Vars
- P(e);SBLOCK,XP(B)::S(A)
- Refutation
- R(a);XP(B)
- Try
- Actual
- P(B);
- Threat
- QAB(G),XB(i)
- Vars
- Q(b);N_GUARD,XB(C)::QAR2(G),XP(g)
- R(a);SBLOCK,XP(B)::R1(D)
- P(k);XQ(G)::R1(D)
- P(e);EP,XP(B)::S(A)
- B(i);N_GUARD::QAB1(G),XB(i)
- B(i);N_GUARD::QAB1(G)
- S(d);N_GUARD,N_SPINR(h)::QAB1(G),XS(d)
- P(k);N_SPINR(h),OGATE::QAR(G)+P(E),XP(k),EP
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).