MESON Chess Problem Database
Problem Display
PID: 195274 (1bn5/p1r3p1/K3R1P1/1pkP3p/4Q2R/3PP1B1/4npr1/5b1B w - - 0 1)
Hoek, Willem
Probleemblad, 1979
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qb4#
- 1...Rh2
- 2.Qb4#
- 1...Rxg3
- 2.Qb4#
- 1...Rc6+
- 2.Rxc6#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sxg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Se7
- 2.Bd6#
- 1...b4
- 2.Qc4#
- 1...Rg1
- Tries
- 1.Ka5?
- 1...Rxg3
- 2.Qb4#
- 1...Sxg3
- 2.Qd4#
- 1...Rg1
- 2.Qb4#
- 1...Rh2
- 2.Qb4#
- 1...Rc6
- 2.Rxc6#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 2.exd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Se7
- 2.Bd6#
- 1...b4
- 2.Qc4#
- 1...a6!
- 1...Rxg3
- 1.Bxg2?
- threat
- 2.Qb4#
- 1...Rc6+
- 2.Rxc6#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...b4
- 2.Qxb4#
- 2.Qc4#
- 1...Bxg2!
- threat
- 1.Bh2?
- 1...Rc6+
- 2.Rxc6#
- 1...Rxh2
- 2.Qb4#
- 1...Rxg6
- 2.Qb4#
- 1...Sd4
- 2.Qxd4#
- 1...Rg1
- 2.Qb4#
- 1...Rg3
- 2.Qb4#
- 1...Rg5
- 2.Qb4#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Se7
- 2.Bd6#
- 1...b4
- 2.Qc4#
- 1...Rg4!
- 1...Rc6+
- 1.Be5?
- 1...Rc6+
- 2.Rxc6#
- 1...Rxg6
- 2.Qb4#
- 1...Sd4
- 2.Qxd4#
- 1...Rg1
- 2.Qb4#
- 1...Rh2
- 2.Qb4#
- 1...Rg3
- 2.Qb4#
- 1...Rg5
- 2.Qb4#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Se7
- 2.Bd6#
- 1...b4
- 2.Qc4#
- 1...Rg4!
- 1...Rc6+
- 1.Rf6?
- 1...Rc6+
- 2.Rxc6#
- 1...Rxg3
- 2.Qb4#
- 1...Sxg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Rg1
- 2.Qb4#
- 1...Rh2
- 2.Qb4#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Se7
- 2.Bd6#
- 1...b4
- 2.Qc4#
- 1...gxf6!
- 1...Rc6+
- 1.Ka5?
- Keys
- 1.Qe5!
- 1...Rc6+
- 2.Rxc6#
- 1...Rxg3
- 2.d6#
- 1...Sxg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Rg1
- 2.d6#
- 1...Rh2
- 2.d6#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Re7
- 2.Rc6#
- 1...Rf7
- 2.Rc6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sb6
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Se7
- 2.Qd6#
- 1...b4
- 2.Rc4#
- 1...Rc6+
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);::QAB1(E)
- R(d);XB(D)::QAB1(E)
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD,XB(D)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(l);N_GUARD::B(D)
- S(l);N_GUARD::B(D),XS(l)
- P(e);N_GUARD::QAR1(E)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- R(d);XB(D)::QAB1(E)
- S(b);N_GUARD,XB(D)::QAB1(E)
- R(d);::QAB1(E)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- S(b);N_GUARD::QAB1(E)
- S(l);N_GUARD::B(D)
- S(l);N_GUARD::B(D),XS(l)
- P(e);N_GUARD::QAR1(E)
- Refutation
- P(h);
- Try
- B(A);XR(d)
- Threat
- QAB1(E)
- Vars
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(b);N_GUARD::QAB1(E)
- Refutation
- B(a);XB(A)
- Try
- B(D);
- Vars
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- R(d);XB(D)::QAB1(E)
- R(d);P_PINR(I),XP(J)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- R(d);::QAB1(E)
- R(i);N_GUARD::R1(I)
- S(b);N_GUARD::QAB1(E)
- S(l);N_GUARD::B(D)
- S(l);N_GUARD::B(D),XS(l)
- P(e);N_GUARD::QAR1(E)
- Refutation
- R(d);
- Try
- B(D);
- Vars
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- R(d);P_PINR(I),XP(J)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- R(d);::QAB1(E)
- R(i);N_GUARD::R1(I)
- S(b);N_GUARD::QAB1(E)
- S(l);N_GUARD::B(D)
- S(l);N_GUARD::B(D),XS(l)
- P(e);N_GUARD::QAR1(E)
- Refutation
- R(d);
- Try
- R(I);
- Vars
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- R(d);XB(D)::QAB1(E)
- S(b);N_GUARD,XB(D)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- R(d);::QAB1(E)
- R(i);N_GUARD::R1(I)
- S(b);N_GUARD::QAB1(E)
- S(l);N_GUARD::B(D)
- S(l);N_GUARD::B(D),XS(l)
- P(e);N_GUARD::QAR1(E)
- Refutation
- P(j);XR(I)
- Try
- Actual
- Q(E);
- Vars
- R(i);CHECK,N_GUARD::R1(I),XR(i)
- R(d);XB(D)::QAR(E)+P(G)
- S(b);N_GUARD,XB(D)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(b);N_GUARD::QAB1(E)
- R(d);::QAR(E)+P(G)
- R(i);N_GUARD::R1(I)
- S(l);N_GUARD::QAB1(E)
- S(l);N_GUARD::QAB1(E),XS(l)
- P(e);N_GUARD::R1(F)
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).