MESON Chess Problem Database
Problem Display
PID: 243638 (1KR5/8/1p1B3b/3kP1n1/2pN2Qp/1r2P3/n5br/1R5B w - - 0 1)
Balcu, Silviu
Revista Romana de Sah, 1960
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rb5#
- 1...Rc3
- 2.Rb5#
- 1...Rd3
- 2.Rb5#
- 1...Rxe3
- 2.Rb5#
- 1...Rb5
- 2.Rxb5#
- 1...Se4
- 2.Qe6#
- 2.Qg8#
- 1...b5
- 2.Rc5#
- 1...Ra3
- Tries
- 1.Sc2?
- threat
- 2.Qxc4#
- 1...Rc3
- 2.Rb5#
- 1...Rb4
- 2.Rd1#
- 1...Se4
- 2.Qg8#
- 1...c3
- 2.Rd1#
- 2.Qc4#
- 1...b5
- 2.Rc5#
- 1...Be4!
- threat
- 1.Sxb3?
- threat
- 2.Rd1#
- 2.Qxc4#
- 1...Rxh1
- 2.Qxc4#
- 1...Bxh1
- 2.Qxc4#
- 1...cxb3
- 2.Rd1#
- 2.Qc4#
- 1...Bf3
- 2.Qxc4#
- 1...Sc1
- 2.Qxc4#
- 1...Sc3
- 2.Qxc4#
- 1...Sb4
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 2.e4#
- 1...Se4
- 2.Qg8#
- 1...Se6
- 2.Qxc4#
- 1...c3
- 2.Rd1#
- 2.Qc4#
- 1...b5
- 2.Rd1#
- 2.Rc5#
- 1...Be4!
- threat
- 1.Sf3?
- threat
- 2.Qxc4#
- 1...Rc3
- 2.Rb5#
- 1...Rb4
- 2.Rd1#
- 1...Se4
- 2.Qg8#
- 1...c3
- 2.Rd1#
- 2.Qc4#
- 1...b5
- 2.Rc5#
- 1...Bf1!
- threat
- 1.Sf5?
- threat
- 2.Se7#
- 2.Qxc4#
- 1...Be4
- 2.Se7#
- 1...Rc3
- 2.Se7#
- 1...Rb4
- 2.Se7#
- 1...Bf8
- 2.Qxc4#
- 1...Se4
- 2.Se7#
- 2.Qg8#
- 1...c3
- 2.Se7#
- 2.Qc4#
- 1...b5
- 2.Se7#
- 1...Ke6!
- threat
- 1.Se6?
- threat
- 2.Qxc4#
- 1...Be4
- 2.Sf4#
- 1...Rc3
- 2.Rb5#
- 1...Rb4
- 2.Rd1#
- 1...c3
- 2.Rd1#
- 2.Qc4#
- 1...b5
- 2.Rc5#
- 1...Se4!
- threat
- 1.Bxg2+?
- 1...Sf3
- 2.Bxf3#
- 2.Qxf3#
- 1...Se4
- 2.Bxe4#
- 2.Qe6#
- 2.Qxe4#
- 2.Qg8#
- 1...Rxg2!
- 1...Sf3
- 1.Qxg2+?
- 1...Sf3
- 2.Qxf3#
- 1...Se4
- 2.Qxe4#
- 2.Qg8#
- 1...Rxg2!
- 1...Sf3
- 1.Sc2?
- Keys
- 1.Se2!
- threat
- 2.Qxc4#
- 1...Rc3
- 2.Rb5#
- 1...Rb4
- 2.Rd1#
- 1...Be4
- 2.Sf4#
- 1...Se4
- 2.Qg8#
- 1...c3
- 2.Rd1#
- 2.Qc4#
- 1...b5
- 2.Rc5#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(d);OGATE::R(A)
- R(d);OGATE,XP(C)::R(A)
- R(d);OGATE::R(A),XR(d)
- P(i);N_GUARD::R1(I)
- Tries
- Try
- S(D);
- Threat
- QAB1(E),XP(e)
- Vars
- R(d);OGATE::R(A)
- R(d);N_GUARD::R(A)
- S(h);N_SPINB(b),OGATE,SBLOCK::QAB(E)
- P(i);N_GUARD::R1(I)
- Refutation
- B(b);
- Try
- S(D);XR(d)
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINB(b),XB(B)::QAB1(E),XP(e)
- B(b);N_SPINB(b),XB(B)::QAB1(E),XP(e)
- B(b);::QAB1(E),XP(e)
- S(a);::QAB1(E),XP(e)
- S(h);N_SPINB(b),OGATE,SBLOCK::QAB(E)
- S(h);SBLOCK::QAB1(E),XP(e)
- Refutation
- B(b);
- Try
- S(D);N_PINB(b)
- Threat
- QAB1(E),XP(e)
- Vars
- R(d);OGATE::R(A)
- R(d);N_GUARD::R(A)
- S(h);OGATE,SBLOCK::QAB(E)
- P(i);N_GUARD::R1(I)
- Refutation
- B(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);::S(D)
- R(d);::S(D)
- B(j);::QAB1(E),XP(e)
- P(i);::S(D)
- Refutation
- K(g);N_SPINB(b),S_FLIGHT
- Try
- S(D);
- Threat
- QAB1(E),XP(e)
- Vars
- B(b);::S(D)
- R(d);OGATE::R(A)
- R(d);N_GUARD::R(A)
- P(i);N_GUARD::R1(I)
- Refutation
- S(h);N_SPINB(b)
- Try
- B(B);CHECK,XB(b)
- Refutation
- R(c);XB(B)
- Try
- Q(E);CHECK,XB(b)
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB(E),XS(h)
- Refutation
- R(c);P_SPINR(c),XQ(E)
- Try
- Actual
- S(D);
- Threat
- QAB1(E),XP(e)
- Vars
- R(d);OGATE::R(A)
- R(d);N_GUARD::R(A)
- B(b);::S(D)
- S(h);N_SPINB(b),OGATE,SBLOCK::QAB(E)
- P(i);N_GUARD::R1(I)
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).