MESON Chess Problem Database
Problem Display
PID: 37710 (1n2R3/P7/2p2p1K/2BP1pN1/R3pk2/b1N2p1P/2p2P2/Qrq5 w - - 0 1)
Telkes, Imre
Recomm., BCF 013. Ty., 1933-1934
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qd1
- 2.Be3#
- 1...Qf1
- 2.Be3#
- 1...Qg1
- 2.Be3#
- 1...Qh1
- 2.Be3#
- 1...Rxa1
- 2.axb8Q#
- 2.axb8B#
- 1...Rb2
- 2.Qxc1#
- 1...Rb4
- 2.Bd6#
- 1...Bb2
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Bb4
- 2.axb8Q#
- 2.axb8B#
- 1...cxd5
- 2.Sxd5#
- 1...Qb2
- Tries
- 1.Sxb1?
- threat
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qxb1
- 2.Se6#
- 2.Be3#
- 1...Bxc5
- 2.Se6#
- 1...cxb1Q
- 2.Se6#
- 1...cxb1S
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...cxb1B
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...cxb1R
- 2.Se6#
- 1...cxd5
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...fxg5
- 2.Qe5#
- 2.axb8Q#
- 2.axb8B#
- 1...Qb2
- 2.Be3#
- 1...Qd2
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe3
- 2.Se6#
- 2.Bxe3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qd1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe1
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qf1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qg1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qh1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Bb4
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Sa6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Bb2!
- threat
- 1.Sd1?
- threat
- 2.Se6#
- 1...Rxa1
- 2.axb8Q#
- 2.axb8B#
- 1...fxg5
- 2.Qe5#
- 1...Qb2
- 2.Be3#
- 1...Rb2
- 2.Qxc1#
- 1...Bb2!
- threat
- 1.Sa2?
- threat
- 2.Se6#
- 1...Rxa1
- 2.axb8Q#
- 2.axb8B#
- 1...fxg5
- 2.Qe5#
- 1...Qb2
- 2.Be3#
- 1...Rb2
- 2.Qxc1#
- 1...Bb2!
- threat
- 1.Sb5?
- threat
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxa1
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb5
- 2.Se6#
- 1...Bxc5
- 2.Se6#
- 1...cxb5
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...cxd5
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...fxg5
- 2.Qe5#
- 2.axb8Q#
- 2.axb8B#
- 1...Qb2
- 2.Be3#
- 1...Qd2
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe3
- 2.Se6#
- 2.Bxe3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qd1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe1
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qf1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qg1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Qh1
- 2.Se6#
- 2.Be3#
- 2.axb8Q#
- 2.axb8B#
- 1...Rb2
- 2.Qxc1#
- 2.axb8Q#
- 2.axb8B#
- 1...Rb3
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Rb4
- 2.Se6#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Bb4
- 2.Se6#
- 2.axb8Q#
- 2.axb8B#
- 1...Sa6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Bb2!
- threat
- 1.Bd4?
- threat
- 2.Se6#
- 1...fxg5
- 2.Be5#
- 1...Bf8+!
- threat
- 1.Rxa3?
- threat
- 2.Bd6#
- 1...Qxa3
- 2.Be3#
- 1...Sd7!
- threat
- 1.Rb4?
- threat
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxa1
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb4
- 2.Bd6#
- 1...Bxb4
- 2.axb8Q#
- 2.axb8B#
- 1...cxd5
- 2.Sxd5#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...fxg5
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Bb2
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qb2
- 2.Be3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qd2
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe3
- 2.Bxe3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qd1
- 2.Be3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qe1
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qf1
- 2.Be3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qg1
- 2.Be3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Qh1
- 2.Be3#
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Rb2
- 2.Bd6#
- 2.Qxc1#
- 2.axb8Q#
- 2.axb8B#
- 1...Rb3
- 2.Bd6#
- 2.axb8Q#
- 2.axb8B#
- 1...Sa6
- 2.Bd6#
- 1...Sd7!
- threat
- 1.Qxa3?
- threat
- 2.Bd6#
- 1...Qxa3
- 2.Be3#
- 1...Sd7!
- threat
- 1.dxc6?
- threat
- 2.Sd5#
- 1...Qd1
- 2.Be3#
- 1...Qd2!
- threat
- 1.Sxb1?
- Keys
- 1.Scxe4!
- threat
- 2.Se6#
- 1...Rxa1
- 2.axb8Q#
- 2.axb8B#
- 1...fxe4
- 2.Qxf6#
- 1...fxg5
- 2.Qe5#
- 1...Bb2
- 2.Sc3#
- 1...Qb2
- 2.Be3#
- 1...Rb2
- 2.Qxc1#
- 1...Rb4
- 2.Bd6#
- 1...Bb4
- 2.axb8Q#
- 2.axb8B#
- threat
- 1.Scxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(b);N_GUARD::B(F)
- Q(b);N_GUARD::B(F),XQ(b)
- Q(b);N_GUARD,P_PINP(D)::B(F)
- R(a);N_GUARD,XQ(A)::PXS(k)=Q
- R(a);OGATE::QAB(A),XQ(b)
- R(a);N_SPINP(f),S_CUTB(d)::B(F)
- B(d);N_SPINP(f),S_CUTR(a)::PXS(k)=Q
- P(i);XP(G)::S(C),XP(i)
- Tries
- Try
- S(C);XR(a)
- Threat
- DUALS(3)
- Vars
- B(d);XB(F)::S(H)
- P(c);XS(C)::S(H)
- Q(b);N_GUARD::B(F)
- S(k);::S(H)
- Refutation
- B(d);
- Try
- S(C);
- Threat
- S(H)
- Vars
- R(a);N_GUARD,XQ(A)::PXS(k)=Q
- P(j);N_GUARD,XS(H)::QAB1(A)
- Q(b);N_GUARD::B(F)
- R(a);OGATE::QAB(A),XQ(b)
- Refutation
- B(d);
- Try
- S(C);
- Threat
- S(H)
- Vars
- R(a);N_GUARD,XQ(A)::PXS(k)=Q
- P(j);N_GUARD,XS(H)::QAB1(A)
- Q(b);N_GUARD::B(F)
- R(a);OGATE::QAB(A),XQ(b)
- Refutation
- B(d);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- R(a);XQ(A)::PXS(k)=Q
- R(a);XS(C)::S(H)
- B(d);XB(F)::S(H)
- Q(b);N_GUARD::B(F)
- S(k);::S(H)
- Refutation
- B(d);
- Try
- B(F);N_PINP(f)
- Threat
- S(H)
- Vars
- P(j);N_GUARD,XS(H)::B(F)
- Refutation
- B(d);CHECK
- Try
- R(E);N_PINP(f),XB(d)
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XR(E)::B(F)
- Refutation
- S(k);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(a);N_SPINP(f),XR(E)::B(F)
- B(d);N_SPINP(f),XR(E)::PXS(k)=Q
- S(k);::B(F)
- Refutation
- S(k);
- Try
- Q(A);XB(d)
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XQ(A)::B(F)
- Refutation
- S(k);
- Try
- P(G);XP(i)
- Threat
- S(C)
- Vars
- Q(b);N_GUARD::B(F)
- Refutation
- Q(b);
- Try
- Actual
- S(C);XP(f)
- Threat
- S(H)
- Vars
- R(a);N_GUARD,XQ(A)::PXS(k)=Q
- P(h);OGATEB,P_SPINP(h),XS(C)::QAR2(A),XP(j)
- P(j);N_GUARD,XS(H)::QAB1(A)
- B(d);N_GUARD,S_CUTR(a)::R(E)+S(C)
- Q(b);N_GUARD::B(F)
- R(a);OGATE::QAB(A),XQ(b)
- R(a);S_CUTB(d)::B(F)
- B(d);S_CUTR(a)::PXS(k)=Q
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).