MESON Chess Problem Database
Problem Display
PID: 239159 (4R2K/3n2n1/6Qp/4P3/1RN1NkPp/6rr/3p1P2/q1BB3b w - - 0 1)
Haring, Jacobus
Sachove umeni (Ceskoslovensky sach), 1964
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.Qxg4#
- 1...Bf3
- 2.Bxd2#
- 1...Bxe4
- 2.Qxh6#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Sxe8
- 2.Qf5#
- 1...Rxg4
- Tries
- 1.Kxg7?
- threat
- 2.Qf5#
- 1...Rxg4
- 2.Qxg4#
- 1...Bxe4
- 2.Qxh6#
- 1...Qxe5+!
- threat
- 1.Sb2?
- threat
- 2.Qxh6#
- 1...Rxg4
- 2.Qxg4#
- 1...Sxe8
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Rf3
- 2.Sxd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Bf3
- 2.Sd3#
- 2.Bxd2#
- 1...Sf5
- 2.Qxf5#
- 1...h5
- 2.Qg5#
- 2.Qh6#
- 1...Qa6!
- threat
- 1.Scd6?
- threat
- 2.Qxh6#
- 1...Rxg4
- 2.Qxg4#
- 1...Sxe8
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Rf3
- 2.Sc3#
- 1...Bf3
- 2.Bxd2#
- 1...Sf5
- 2.Qxf5#
- 1...h5
- 2.Qg5#
- 2.Qh6#
- 1...Qxe5!
- threat
- 1.Sexd2?
- threat
- 2.Qxh6#
- 1...Rxg4
- 2.Qxg4#
- 1...Qa6
- 2.Sf3#
- 1...Rf3
- 2.Sb2#
- 1...Bf3
- 2.Sb1#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...h5
- 2.Qh6#
- 1...Qxe5!
- threat
- 1.Sed6?
- threat
- 2.Qxh6#
- 1...Rxg4
- 2.Qxg4#
- 1...Rf3
- 2.Sb2#
- 1...Bf3
- 2.Bxd2#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...h5
- 2.Qh6#
- 1...Qxe5!
- threat
- 1.Qf7+?
- 1...Kxe4
- 2.Sb2#
- 1...Sf5
- 2.Qxf5#
- 1...Sf6!
- 1...Kxe4
- 1.fxg3+?
- 1...hxg3
- 2.Bxd2#
- 1...Rxg3!
- 1...hxg3
- 1.f3?
- threat
- 2.Bxd2#
- 2.Qxh6#
- 1...Qxe5
- 2.Bxd2#
- 1...Qxc1
- 2.Qxh6#
- 1...Rxg4
- 2.Bxd2#
- 2.Qxg4#
- 1...Bxf3
- 2.Bxd2#
- 1...dxc1Q
- 2.Qxh6#
- 1...dxc1S
- 2.Qxh6#
- 1...dxc1B
- 2.Qxh6#
- 1...dxc1R
- 2.Qxh6#
- 1...Qd4
- 2.Qxh6#
- 1...Qb2
- 2.Qxh6#
- 1...Qc3
- 2.Qxh6#
- 1...Qa2
- 2.Qxh6#
- 1...Qa3
- 2.Qxh6#
- 1...Qa6
- 2.Bxd2#
- 1...Qa7
- 2.Qxh6#
- 1...Rg2
- 2.Qxh6#
- 1...Rh2
- 2.Qxh6#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Bxd2#
- 2.Qf5#
- 1...h5
- 2.Bxd2#
- 2.Qg5#
- 2.Qh6#
- 1...Rxf3!
- threat
- 1.Kxg7?
- Keys
- 1.Scxd2!
- threat
- 2.Qxh6#
- 1...Qxe5
- 2.Sf3#
- 1...Rxg4
- 2.Qxg4#
- 1...Sxe8
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Qa6
- 2.Sf3#
- 1...Rf3
- 2.Sc3#
- 1...Bf3
- 2.Sb1#
- 1...Sf5
- 2.Qxf5#
- 1...h5
- 2.Qg5#
- 2.Qh6#
- threat
- 1.Scxd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- B(b);S_CUTR(d)::B(A),XP(c)
- B(b);SBLOCK,XS(F)::QAB(I),XP(h)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
- S(j);N_GUARD,P_PINP(H)::QAR1(I)
- S(j);N_GUARD,P_PINP(H),XR(J)::QAR1(I)
- Tries
- Try
- K(K);P_SPINP(H),S_FLIGHT,XS(j)
- Threat
- QAR1(I)
- Vars
- R(d);OGATE,P_PINQ(I),XP(G)::QAR1(I),XR(d)
- B(b);SBLOCK,XS(F)::QAB(I),XP(h)
- Refutation
- Q(a);CHECK,XP(H)
- Try
- S(E);
- Threat
- QAB(I),XP(h)
- Vars
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- S(j);N_GUARD,XR(J)::QAR1(I)
- S(j);N_GUARD::QAR1(I)
- S(j);N_GUARD::QAR1(I),XS(j)
- Refutation
- Q(a);
- Try
- S(E);
- Threat
- QAB(I),XP(h)
- Vars
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- S(j);N_GUARD,P_PINP(H),XR(J)::QAR1(I)
- S(j);N_GUARD,P_PINP(H)::QAR1(I)
- R(d);S_CUTB(b)::R(D)+S(F)
- B(b);S_CUTR(d)::B(A),XP(c)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
- Refutation
- Q(a);XP(H)
- Try
- S(F);XP(c)
- Threat
- QAB(I),XP(h)
- Vars
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- Q(a);N_GUARD::B(A)+S(F)
- R(d);S_CUTB(b)::R(D)+S(E)
- B(b);S_CUTR(d)::B(A)+S(F)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
- S(j);N_GUARD,P_PINP(H)::QAR1(I)
- P(h);::QAB(I)
- Refutation
- Q(a);XP(H)
- Try
- S(F);
- Threat
- QAB(I),XP(h)
- Vars
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- R(d);S_CUTB(b)::R(D)+S(E)
- B(b);S_CUTR(d)::B(A),XP(c)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
- S(j);N_GUARD,P_PINP(H)::QAR1(I)
- P(h);::QAB(I)
- Refutation
- Q(a);XP(H)
- Try
- Q(I);CHECK
- Vars
- K(f);N_SPINP(c),P-FLIGHT,XS(F)::R(D)+S(E)
- S(j);N_GUARD,P_PINP(H),P_SPINS(j)::QAR1(I),XS(j)
- Refutation
- S(i);P_SPINS(i)
- Try
- P(C);CHECK,XR(d)
- Vars
- P(g);XP(C)::B(A),XP(c)
- Refutation
- R(e);XP(C)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(H)::B(A),XP(c)
- Q(a);N_SPINP(c),XB(A)::QAB(I),XP(h)
- B(b);XP(C)::B(A),XP(c)
- P(c);N_SPINP(c),XB(A)::QAB(I),XP(h)
- Q(a);::QAB(I),XP(h)
- Q(a);::B(A),XP(c)
- R(d);::QAB(I),XP(h)
- R(e);::QAB(I),XP(h)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
- Refutation
- R(d);XP(C)
- Try
- Actual
- S(E);XP(c)
- Threat
- QAB(I),XP(h)
- Vars
- Q(a);N_GUARD,XP(H)::B(A)+S(E)
- R(d);OGATE,XP(G)::QAR1(I),XR(d)
- S(j);N_GUARD,P_PINP(H),XR(J)::QAR1(I)
- S(j);N_GUARD,P_PINP(H)::QAR1(I)
- Q(a);N_GUARD::B(A)+S(E)
- R(d);S_CUTB(b)::R(D)+S(F)
- B(b);S_CUTR(d)::B(A)+S(E)
- S(j);N_GUARD,P_PINP(H)::QAR1(I),XS(j)
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).