MESON Chess Problem Database
Problem Display
PID: 268453 (B4KNN/4p2k/8/4B1p1/7r/8/3np3/4R2Q w - - 0 1)
Telkes, Imre
Die Schwalbe, 1931
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6
- 2.Qb7#
- 1...Rxh1
- Tries
- 1.Kf7?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6!
- 1...Rxh1
- 1.Ba1?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6
- 2.Qb7#
- 1...e5!
- 1...Rxh1
- 1.Bb2?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6
- 2.Qb7#
- 1...e5!
- 1...Rxh1
- 1.Bc3?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6
- 2.Qb7#
- 1...e5!
- 1...Rxh1
- 1.Bd4?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6
- 2.Qb7#
- 1...e5!
- 1...Rxh1
- 1.Bf6?
- 1...Rxh1
- 2.Rxh1#
- 1...Sb1
- 2.Be4#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e5
- 2.Qb7#
- 1...e6
- 2.Qb7#
- 1...exf6!
- 1...Rxh1
- 1.Bd5?
- 1...Rxh1
- 2.Rxh1#
- 1...Sb1
- 2.Be4#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6!
- 1...Rxh1
- 1.Bc6?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6!
- 1...Rxh1
- 1.Bb7?
- 1...Rxh1
- 2.Rxh1#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e6!
- 1...Rxh1
- 1.Rxe2?
- 1...e6
- 2.Qb7#
- 1...Rh2
- 2.Rxh2#
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...Rxh1!
- 1...e6
- 1.Qd5?
- threat
- 2.Qf7#
- 1...e6
- 2.Qb7#
- 2.Qd7#
- 1...Rf4+!
- threat
- 1.Qc6?
- threat
- 2.Qg6#
- 1...e6
- 2.Qb7#
- 2.Qd7#
- 2.Qc7#
- 1...Rh6
- 2.Qxh6#
- 1...Rf4+!
- threat
- 1.Kf7?
- Keys
- 1.Bg7!
- 1...Rxh1
- 2.Rxh1#
- 1...Sb1
- 2.Be4#
- 1...Rh2
- 2.Qxh2#
- 1...Rh3
- 2.Qxh3#
- 1...Rh5
- 2.Qxh5#
- 1...Rh6
- 2.Qxh6#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...g4
- 2.Qxh4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rxh1
- 1.Bg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- S(a);N_GUARD::B(D)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);OGATEB::QAR(B)
- Refutation
- P(e);XB(C)
- Try
- B(D);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- S(a);N_GUARD::B(D)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- Refutation
- P(e);
- Try
- B(D);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- Refutation
- P(e);
- Try
- B(D);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- Refutation
- P(e);
- Try
- R(A);XP(b)
- Vars
- P(e);OGATEB::QAR(B)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- Refutation
- R(c);N_SPINR(c),XQ(B)
- Try
- Q(B);N_PINR(c)
- Threat
- QAR2(B)
- Refutation
- R(c);CHECK
- Try
- Q(B);N_PINR(c)
- Threat
- QAB1(B)
- Vars
- R(c);N_GUARD::QAR1(B),XR(c)
- Refutation
- R(c);CHECK
- Try
- Actual
- B(C);
- Vars
- R(c);N_SPINR(c),OGATE,XQ(B)::R(A),XR(c)
- S(a);N_GUARD::B(D)
- R(c);OGATEB::QAR(B),XR(c)
- R(c);OGATE::QAR2(B),XR(c)
- R(c);OGATE::QAR1(B),XR(c)
- S(a);N_GUARD::B(D),XS(a)
- P(d);N_GUARD::QAR(B),XR(c)
- P(e);N_GUARD::S(F)
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).