MESON Chess Problem Database
Problem Display
PID: 133795 (5n2/2R2p2/1Kn2Rp1/3k1pN1/3p4/1Ppr2p1/2P1Q1P1/6B1 w - - 0 1)
Goldschmeding, Cornelis
1st HM., Israel Ring Ty., 1959/1
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qb5#
- 1...Rd2
- 2.Qb5#
- 1...Re3
- 2.Qb5#
- 1...Rf3
- 2.Qb5#
- 1...Sb4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Se5
- 2.Rc5#
- 1...Sa7
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Se6
- 2.Rd7#
- 1...Sd7+
- 2.Rxd7#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...Rd1
- Tries
- 1.Sxf7?
- threat
- 2.Rd6#
- 1...Sd7+
- 2.Rxd7#
- 1...Se6
- 2.Rd7#
- 2.Qxe6#
- 1...Re3!
- threat
- 1.Bf2?
- 1...Sd7+
- 2.Rxd7#
- 1...Re3
- 2.Qb5#
- 1...Se6
- 2.Rd7#
- 1...Rd1
- 2.Qb5#
- 1...Rd2
- 2.Qb5#
- 1...Rf3
- 2.Qb5#
- 1...Sb4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Se5
- 2.Rc5#
- 1...Sa7
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...gxf2!
- 1...Sd7+
- 1.Bh2?
- 1...Sd7+
- 2.Rxd7#
- 1...Re3
- 2.Qb5#
- 1...Se6
- 2.Rd7#
- 1...Rd1
- 2.Qb5#
- 1...Rd2
- 2.Qb5#
- 1...Rf3
- 2.Qb5#
- 1...Sb4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Se5
- 2.Rc5#
- 1...Sa7
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...gxh2!
- 1...Sd7+
- 1.Rxf5+?
- 1...Kd6
- 2.Sxf7#
- 1...Se5
- 2.Qxe5#
- 1...gxf5!
- 1...Kd6
- 1.Rfxc6?
- 1...Sd7+
- 2.Rxd7#
- 1...Re3
- 2.Qb5#
- 1...Rd1
- 2.Qb5#
- 1...Rd2
- 2.Qb5#
- 1...Rf3
- 2.Qb5#
- 1...Se6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...f6!
- 1...Sd7+
- 1.Ra7?
- 1...Sd7+
- 2.Rxd7#
- 1...Re3
- 2.Qb5#
- 1...Se6
- 2.Rd7#
- 1...Rd1
- 2.Qb5#
- 1...Rd2
- 2.Qb5#
- 1...Rf3
- 2.Qb5#
- 1...Sb4
- 2.Ra5#
- 1...Sa5
- 2.Rxa5#
- 1...Se5
- 2.Ra5#
- 1...Se7
- 2.Ra5#
- 1...Sb8
- 2.Ra5#
- 1...Sd8
- 2.Ra5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...Sxa7!
- 1...Sd7+
- 1.Re7?
- 1...Sd7+
- 2.Rxd7#
- 1...Se6
- 2.Rd7#
- 1...Rd1
- 2.Qf3#
- 2.Qc4#
- 2.Qb5#
- 1...Rd2
- 2.Qf3#
- 2.Qc4#
- 2.Qb5#
- 1...Re3
- 2.Qc4#
- 2.Qb5#
- 1...Rf3
- 2.Qxf3#
- 2.Qc4#
- 2.Qb5#
- 1...Sb4
- 2.Re5#
- 2.Qe5#
- 1...Sa5
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sa7
- 2.Re5#
- 2.Qe5#
- 1...Sb8
- 2.Re5#
- 2.Qe5#
- 1...Sd8
- 2.Re5#
- 2.Qe5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...Sxe7!
- 1...Sd7+
- 1.Qe5+?
- 1...Sxe5
- 2.Rc5#
- 1...Kxe5!
- 1...Sxe5
- 1.Qe7?
- threat
- 2.Rd6#
- 2.Qc5#
- 2.Qd6#
- 1...Sd7+
- 2.Rxd7#
- 1...Sxe7
- 2.Rc5#
- 1...Se6!
- threat
- 1.cxd3?
- 1...Sd7+
- 2.Rxd7#
- 1...Se6
- 2.Rd7#
- 1...Sb4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Se5
- 2.Rc5#
- 1...Sa7
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...c2!
- 1...Sd7+
- 1.Sxf7?
- Keys
- 1.Bxd4!
- 1...Sd7+
- 2.Rxd7#
- 1...Kxd4
- 2.Rd6#
- 1...Rxd4
- 2.Qb5#
- 1...Sxd4
- 2.Rc5#
- 1...Se6
- 2.Rd7#
- 1...Rd1
- 2.Qc4#
- 1...Rd2
- 2.Qc4#
- 1...Re3
- 2.Qc4#
- 1...Rf3
- 2.Qc4#
- 1...Sb4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh7
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...Sd7+
- 1.Bxd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(b);OGATE::QAR2(C)
- S(g);OGATE::R1(I)
- S(j);N_GUARD::R(I)
- S(j);CHECK,N_GUARD::R(I),XS(j)
- P(f);N_GUARD::QAB1(C)
- Tries
- Try
- S(F);XP(i)
- Threat
- R1(H)
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- Refutation
- R(b);
- Try
- B(A);
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- R(b);OGATE::QAR2(C)
- S(j);N_GUARD::R(I)
- S(g);OGATE::R1(I)
- P(f);N_GUARD::QAB1(C)
- Refutation
- P(c);XB(A)
- Try
- B(A);
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- R(b);OGATE::QAR2(C)
- S(j);N_GUARD::R(I)
- S(g);OGATE::R1(I)
- P(f);N_GUARD::QAB1(C)
- Refutation
- P(c);XB(A)
- Try
- R(H);CHECK,XP(f)
- Vars
- K(e);P-FLIGHT::S(F),XP(i)
- S(g);N_GUARD,P_SPINS(g)::QAR1(C),XS(g)
- Refutation
- P(h);XR(H)
- Try
- R(H);XS(g)
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- R(b);OGATE::QAR2(C)
- S(j);N_GUARD::R(I)
- P(f);N_GUARD::QAB1(C)
- Refutation
- P(i);
- Try
- R(I);
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- R(b);OGATE::QAR2(C)
- S(j);N_GUARD::R(I)
- S(g);N_GUARD::R(I)
- S(g);N_GUARD::R(I),XS(g)
- P(f);N_GUARD::QAB1(C)
- Refutation
- S(g);XR(I)
- Try
- R(I);
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- S(j);N_GUARD::R(I)
- P(f);N_GUARD::QAB1(C)
- Refutation
- S(g);XR(I)
- Try
- Q(C);CHECK
- Vars
- S(g);OGATE,SBLOCK,XQ(C)::R1(I)
- Refutation
- K(e);P-FLIGHT,XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- S(g);OGATE,XQ(C)::R1(I)
- Refutation
- S(j);
- Try
- P(B);XR(b)
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- S(j);N_GUARD::R(I)
- S(g);OGATE::R1(I)
- P(f);N_GUARD::QAB1(C)
- Refutation
- P(a);
- Try
- Actual
- B(A);XP(d)
- Vars
- S(j);CHECK,N_GUARD::R(I),XS(j)
- K(e);P-FLIGHT,XB(A)::R(H)
- R(b);OGATE,SBLOCK,XB(A)::QAR2(C)
- S(g);OGATE,SBLOCK,XB(A)::R1(I)
- S(j);N_GUARD::R(I)
- R(b);OGATE::QAB1(C)
- S(g);N_GUARD::QAR1(C)
- S(g);N_GUARD::QAR1(C),XS(g)
- P(f);N_GUARD::QAB1(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).