MESON Chess Problem Database
Problem Display
PID: 162845 (B2bb3/q1pNr3/Q2P1R1p/3n4/R2PkBP1/4pNK1/2n2PP1/5r2 w - - 0 1)
Maleika, Gerhard
Phenix, 2016
#2
13 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Qb8
- 2.Sc5#
- 1...Qxa6
- 2.Sc5#
- 1...Qb7
- 2.Sc5#
- 1...Qxa8
- 2.Sc5#
- 1...Re6
- 2.Rxe6#
- 1...Rxd7
- 2.Re6#
- 1...Rf7
- 2.Re6#
- 1...Rg7
- 2.Re6#
- 1...Rh7
- 2.Re6#
- 1...exf2
- 2.Sd2#
- 1...e2
- 2.Sd2#
- 1...h5
- 2.Sg5#
- 1...Qxd4
- Tries
- 1.Bxe3?
- threat
- 2.Sd2#
- 2.Rf4#
- 1...Qxa6
- 2.Sc5#
- 1...Qxa8
- 2.Sd2#
- 2.Sc5#
- 1...Qb7
- 2.Sd2#
- 2.Sc5#
- 1...Rd1
- 2.Rf4#
- 1...Rf7
- 2.Sd2#
- 2.Re6#
- 1...c6
- 2.Sd2#
- 1...Rxf2!
- threat
- 1.Bg5?
- threat
- 2.Rf4#
- 1...Qxa6
- 2.Sc5#
- 1...Qxa8
- 2.Sc5#
- 1...exf2
- 2.Sd2#
- 1...hxg5
- 2.Sxg5#
- 1...Qb7
- 2.Sc5#
- 1...Rf7
- 2.Re6#
- 1...c6!
- threat
- 1.Rf5?
- threat
- 2.Sf6#
- 2.Bxd5#
- 1...Qxa6
- 2.Sc5#
- 1...Qxa8
- 2.Sc5#
- 1...Rxd7
- 2.Bxd5#
- 2.Re5#
- 1...Bxd7
- 2.Bxd5#
- 1...Qc5
- 2.Sxc5#
- 2.Sf6#
- 1...Qb7
- 2.Sc5#
- 1...Re5
- 2.Rxe5#
- 1...Re6
- 2.Bxd5#
- 1...Rf7
- 2.Bxd5#
- 2.Re5#
- 1...Rg7
- 2.Bxd5#
- 2.Re5#
- 1...Rh7
- 2.Bxd5#
- 2.Re5#
- 1...Bf7
- 2.Sf6#
- 1...Sb4
- 2.Sf6#
- 1...c6!
- threat
- 1.Rxh6?
- threat
- 2.Sg5#
- 2.Sf6#
- 1...Qxa6
- 2.Sc5#
- 1...Qxa8
- 2.Sg5#
- 2.Sc5#
- 1...Rxd7
- 2.Re6#
- 1...Bxd7
- 2.Sg5#
- 1...c6
- 2.Sg5#
- 1...Qb7
- 2.Sg5#
- 2.Sc5#
- 1...Re6
- 2.Rxe6#
- 1...Rf7
- 2.Re6#
- 1...Rg7
- 2.Re6#
- 1...Rh7
- 2.Re6#
- 1...Sb4
- 2.Sf6#
- 1...Re5!
- threat
- 1.Qe2?
- threat
- 2.Sd2#
- 2.Qxc2#
- 1...Qxa4
- 2.Sc5#
- 1...Rxf2
- 2.Sd2#
- 1...Sxd4
- 2.Sd2#
- 2.Qc2#
- 2.Qxe3#
- 1...Qc5
- 2.Sd2#
- 2.Sxc5#
- 1...Qa5
- 2.Qxc2#
- 1...Qa6
- 2.Sd2#
- 2.Sc5#
- 1...Rc1
- 2.Sd2#
- 1...Sa1
- 2.Sd2#
- 2.Qxe3#
- 1...Se1
- 2.Sd2#
- 2.Qxe3#
- 1...Sa3
- 2.Sd2#
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Rd1!
- threat
- 1.Qc4?
- threat
- 2.Bxd5#
- 2.Qxc2#
- 1...Qxa4
- 2.Sc5#
- 2.Bxd5#
- 1...Qxa8
- 2.Sc5#
- 2.Qxc2#
- 1...Rxf2
- 2.Bxd5#
- 1...Sxd4
- 2.Bxd5#
- 2.Qc2#
- 1...c6
- 2.Qxc2#
- 1...Qc5
- 2.Sxc5#
- 1...Qa5
- 2.Qxc2#
- 1...Qa6
- 2.Sc5#
- 2.Bxd5#
- 1...Qb7
- 2.Sc5#
- 2.Qxc2#
- 1...Rc1
- 2.Bxd5#
- 1...Rd1
- 2.Bxd5#
- 1...Re5
- 2.Qxc2#
- 1...Bf7
- 2.Qxc2#
- 1...Sa1
- 2.Bxd5#
- 1...Se1
- 2.Bxd5#
- 1...Sa3
- 2.Bxd5#
- 1...Sb4!
- threat
- 1.Bxe3?
- Keys
- 1.Bxh6!
- threat
- 2.Sg5#
- 2.Rf4#
- 1...Qxa6
- 2.Sc5#
- 1...Qxa8
- 2.Sg5#
- 2.Sc5#
- 1...exf2
- 2.Sd2#
- 1...Qb7
- 2.Sg5#
- 2.Sc5#
- 1...Re5
- 2.Rf4#
- 1...Rf7
- 2.Sg5#
- 2.Re6#
- 1...Rg7
- 2.Rf4#
- 2.Re6#
- 1...Sb4
- 2.Rf4#
- 1...c6
- 2.Sg5#
- threat
- 1.Bxh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD,P_SPINQ(g),XP(F)::S(L)
- Q(g);N_GUARD::S(L),XQ(g)
- Q(g);N_GUARD::S(L)
- Q(g);N_GUARD,XQ(I)::S(L)
- Q(g);N_GUARD,N_SPINS(e)::S(L)
- Q(g);N_GUARD,N_SPINS(e),XB(M)::S(L)
- R(i);N_GUARD::R(K),XR(i)
- R(i);N_GUARD,XS(L)::R(K)
- R(i);N_GUARD::R(K)
- R(i);N_GUARD,P_PINP(H)::R(K)
- P(c);N_GUARD,XP(A)::S(C)
- P(c);N_GUARD::S(C)
- P(f);N_GUARD::S(C)
- Tries
- Try
- B(G);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XQ(I)::S(L)
- R(a);::R1(K)
- P(h);N_SPINS(e)::S(C)
- Refutation
- R(a);XP(A)
- Try
- B(G);
- Threat
- R1(K)
- Vars
- Q(g);N_GUARD,XQ(I)::S(L)
- Q(g);N_GUARD,N_SPINS(e),XB(M)::S(L)
- P(c);N_GUARD,XP(A)::S(C)
- P(f);XB(G)::S(C),XP(f)
- Q(g);N_GUARD,N_SPINS(e)::S(L)
- R(i);N_GUARD::R(K)
- Refutation
- P(h);N_SPINS(e)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XQ(I)::S(L)
- Q(g);N_GUARD,N_SPINS(e),XB(M)::S(L)
- B(k);XS(L)::B(M),XS(e)
- Q(g);N_GUARD,N_SPINS(e)::S(L)
- R(i);N_GUARD::R1(K),XR(i)
- R(i);::B(M),XS(e)
- B(k);::S(L)
- S(b);::S(L)
- Refutation
- P(h);N_SPINS(e)
- Try
- R(K);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XQ(I)::S(L)
- R(i);N_GUARD,XS(L)::R(K)
- B(k);XS(L)::S(C)
- P(h);N_SPINS(e)::S(C)
- R(i);N_GUARD::R(K),XR(i)
- R(i);N_GUARD::R(K)
- R(i);N_GUARD,P_PINP(H)::R(K)
- S(b);::S(L)
- Refutation
- R(i);
- Try
- Q(I);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XR(E)::S(L)
- R(a);XP(A)::S(C)
- Q(g);::QAB(I),XS(b)
- R(a);::S(C)
- S(b);N_GUARD::QAR1(I),XP(c)
- Refutation
- R(a);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);XP(A)::B(M),XS(e)
- P(h);N_SPINS(e)::QAB(I),XS(b)
- Q(g);N_GUARD::S(L),XQ(g)
- Q(g);::QAB(I),XS(b)
- R(a);::B(M),XS(e)
- R(i);::QAB(I),XS(b)
- B(k);::QAB(I),XS(b)
- S(b);::B(M),XS(e)
- Refutation
- S(b);
- Try
- Actual
- B(G);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XQ(I)::S(L)
- P(c);N_GUARD,XP(A)::S(C)
- R(i);::R1(K)
- S(b);::R1(K)
- P(h);N_SPINS(e)::S(C)
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).