MESON Chess Problem Database
Problem Display
PID: 173678 (8/5B1N/4P1N1/p4k2/Rq3P2/6b1/1P1PQ1R1/7K w - - 0 1)
Boros, Sandor
Telkes, Imre
Toth, Gyula
Revista Romana de Sah, 1931
#2
11 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Se7#
- 2.Qh5#
- 1...Qa3
- 2.Qh5#
- 1...Qc3
- 2.Se7#
- 2.Qh5#
- 1...Qc5
- 2.Qh5#
- 1...Qd6
- 2.Qh5#
- 1...Qe7
- 2.Sxe7#
- 1...Qf8
- 2.Qh5#
- 1...Qxb2
- 2.Se7#
- 2.Qh5#
- 1...Qb3
- 2.Se7#
- 2.Qh5#
- 1...Qe4
- 2.Qh5#
- 1...Qxf4
- 2.Se7#
- 1...Qb5
- 2.Se7#
- 2.Qh5#
- 1...Qb6
- 2.Se7#
- 2.Qh5#
- 1...Qb7
- 2.Qh5#
- 1...Qb8
- 2.Se7#
- 2.Qh5#
- 1...Be1
- 2.Rg5#
- 2.Qe5#
- 1...Bf2
- 2.Rg5#
- 2.Qe5#
- 1...Bh2
- 2.Rg5#
- 2.Qe5#
- 1...Bxf4
- 2.Sh4#
- 1...Bh4
- 2.Qe5#
- 1...Qxd2
- Tries
- 1.Sh4+?
- 1...Bxh4
- 2.Qe5#
- 1...Kxf4!
- 1...Bxh4
- 1.Rxg3?
- threat
- 2.Rg5#
- 2.Qe5#
- 1...Qe4+
- 2.Qxe4#
- 1...Qxb2
- 2.Sh4#
- 2.Se7#
- 2.Rg5#
- 2.Qd3#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 1...Qxf4
- 2.Se7#
- 2.Rxf4#
- 1...Qc3
- 2.Sh4#
- 2.Se7#
- 2.Rg5#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 1...Qc5
- 2.Sh4#
- 2.Rg5#
- 2.Qd3#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 1...Qd6
- 2.Sh4#
- 2.Rg5#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 1...Qe7
- 2.Sxe7#
- 2.Qd3#
- 2.Qg4#
- 2.Qe4#
- 2.Qe5#
- 1...Qd4
- 2.Rg5#
- 1...Qb5
- 2.Sh4#
- 2.Se7#
- 2.Rg5#
- 2.Qg4#
- 2.Qxb5#
- 2.Qh5#
- 2.Qe4#
- 1...Qb8
- 2.Sh4#
- 2.Se7#
- 2.Rg5#
- 2.Qd3#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 1...Qb7+!
- threat
- 1.Rxb4?
- threat
- 2.Se7#
- 2.Rb5#
- 2.Qh5#
- 1...Bxf4
- 2.Sh4#
- 2.Se7#
- 2.Rxf4#
- 2.Qd3#
- 2.Qg4#
- 2.Qe4#
- 1...Bf2
- 2.Se7#
- 2.Rg5#
- 2.Qd3#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 2.Qe5#
- 1...Bh4
- 2.Sxh4#
- 2.Rb5#
- 2.Qd3#
- 2.Qg4#
- 2.Qb5#
- 2.Qe4#
- 2.Qe5#
- 1...axb4!
- threat
- 1.Rxa5+?
- 1...Qc5
- 2.Rxc5#
- 1...Qb5
- 2.Rxb5#
- 1...Qxa5!
- 1...Qc5
- 1.d3?
- threat
- 2.Qh5#
- 1...Qxf4
- 2.Se7#
- 1...Bxf4
- 2.Sh4#
- 2.Qg4#
- 1...Qe7
- 2.Sxe7#
- 1...Bh4
- 2.Qg4#
- 2.Qe5#
- 1...Qe1+!
- threat
- 1.e7?
- threat
- 2.Qe6#
- 1...Qxe7
- 2.Sxe7#
- 1...Qd6
- 2.Qh5#
- 1...Qb3
- 2.Qh5#
- 1...Qe4
- 2.Qh5#
- 1...Qb6
- 2.Qh5#
- 1...Qc4!
- threat
- 1.Sh4+?
- Keys
- 1.Qf3!
- 1...Qxd2
- 2.Se7#
- 2.Qh5#
- 1...Qxb2
- 2.Se7#
- 2.Qh5#
- 1...Qxa4
- 2.Se7#
- 1...Qxf4
- 2.Rxa5#
- 1...Bxf4
- 2.Rg5#
- 1...Qa3
- 2.Qh5#
- 1...Qc3
- 2.Se7#
- 2.Qh5#
- 1...Qc5
- 2.Qh5#
- 1...Qd6
- 2.Qh5#
- 1...Qe7
- 2.Sxe7#
- 1...Qf8
- 2.Qh5#
- 1...Qb3
- 2.Se7#
- 2.Qh5#
- 1...Qc4
- 2.Se7#
- 1...Qd4
- 2.Se7#
- 1...Qe4
- 2.Se7#
- 2.Qh5#
- 1...Qb5
- 2.Se7#
- 2.Qh5#
- 1...Qb6
- 2.Se7#
- 2.Qh5#
- 1...Qb7
- 2.Qh5#
- 1...Qb8
- 2.Se7#
- 2.Qh5#
- 1...Be1
- 2.Rg5#
- 2.Qd5#
- 1...Bf2
- 2.Rg5#
- 2.Qd5#
- 1...Bh2
- 2.Sh4#
- 2.Rg5#
- 2.Qd5#
- 1...Bh4
- 2.Sxh4#
- 2.Qd5#
- 1...Qxd2
- 1.Qf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- Q(b);::QAR2(D)
- Q(b);N_GUARD::S(I),XQ(b)
- Q(b);P_PINR(E)::QAR2(D)
- Q(b);N_GUARD,XP(G)::S(I)
- B(a);N_GUARD,SBLOCK,XP(G)::S(I)
- B(a);::QAR1(D)
- Tries
- Try
- S(I);CHECK
- Vars
- B(a);XS(I)::QAR1(D)
- Refutation
- K(d);P-FLIGHT,P_SPINQ(b),XP(G)
- Try
- R(E);XB(a)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- Q(b);::R1(E)
- Refutation
- Q(b);CHECK
- Try
- R(F);XQ(b)
- Threat
- DUALS(3)
- Refutation
- P(c);XR(F)
- Try
- R(F);CHECK,XP(c)
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::R(F),XQ(b)
- Refutation
- Q(b);XR(F)
- Try
- P(C);
- Threat
- QAR2(D)
- Vars
- Q(b);N_GUARD,XP(G)::S(I)
- Q(b);N_GUARD::S(I),XQ(b)
- Refutation
- Q(b);CHECK
- Try
- P(H);
- Threat
- QAB1(D)
- Vars
- Q(b);XP(H)::S(I),XQ(b)
- Q(b);::QAR2(D)
- Q(b);P_PINR(E)::QAR2(D)
- Refutation
- Q(b);
- Try
- Actual
- Q(D);
- Vars
- Q(b);N_GUARD,XR(F)::S(I)
- Q(b);N_GUARD,P_SPINQ(b),XP(G)::R(F),XP(c)
- B(a);OGATE,P_SPINB(a),XP(G)::R1(E)
- Q(b);::QAR2(D)
- Q(b);N_GUARD::S(I),XQ(b)
- Q(b);N_GUARD::S(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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