MESON Chess Problem Database
Problem Display
PID: 71413 (5bQ1/1NN1kp1K/3Rp3/4p3/4P3/8/8/8 w - - 0 1)
Gruber, Bratoljub
1st Prize, Sahovski Glasnik, 1955
#2
6 + 5
| 3310 | 2345 Chess Problems | 1997 |
| 5626 | European Junior Chess Solving Championship | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kf6
- Tries
- 1.Kh8?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Bg7+!
- 1...Kf6
- 1.Sa5?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kxd6!
- 1...Kf6
- 1.Sc5?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Rd7#
- 2.Qxe6#
- 1...Kxd6!
- 1...Kf6
- 1.Sd5+?
- 1...Ke8
- 2.Rd8#
- 1...exd5!
- 1...Ke8
- 1.Rd1?
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kf6!
- 1...Bh6
- 1.Rd2?
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kf6!
- 1...Bh6
- 1.Rd3?
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kf6!
- 1...Bh6
- 1.Ra6?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kd7!
- 1...Kf6
- 1.Rb6?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kd7!
- 1...Kf6
- 1.Rc6?
- 1...Kf6
- 2.Sd5#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- 1...Kd7!
- 1...Kf6
- 1.Rxe6+?
- 1...fxe6
- 2.Qxe6#
- 1...Kd7!
- 1...fxe6
- 1.Rd7+?
- 1...Kf6
- 2.Se8#
- 2.Rxf7#
- 1...Kxd7!
- 1...Kf6
- 1.Qxf8+?
- 1...Kf6
- 2.Qd8#
- 1...Kxf8!
- 1...Kf6
- 1.Kh8?
- Keys
- 1.Sxe6!
- 1...Kf6
- 2.Qg5#
- 1...Ke8
- 2.Qxf8#
- 1...fxe6
- 2.Qxe6#
- 1...Bh6
- 2.Qd8#
- 1...Bg7
- 2.Qd8#
- 1...f5
- 2.Qxf8#
- 1...f6
- 2.Qxf8#
- 1...Kf6
- 1.Sxe6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- B(e);CHECK
- Try
- S(C);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- S(C);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- S(D);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINB(e)::R1(B)
- Refutation
- P(b);XS(D)
- Try
- R(B);
- Vars
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Vars
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Vars
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::S(D)
- B(e);OGATE::QAB1(F)
- P(d);OGATE::QAR1(F),XP(b)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);CHECK,XP(b)
- Vars
- P(d);OGATE,XR(B)::QAR1(F),XP(d)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);CHECK
- Refutation
- K(c);P-FLIGHT,XR(B)
- Try
- Q(F);CHECK,XB(e)
- Vars
- K(c);P_SPINP(b),S_FLIGHT::QAB(F)
- Refutation
- K(c);S_FLIGHT,XQ(F)
- Try
- Actual
- S(D);XP(b)
- Vars
- K(c);S_FLIGHT::QAB1(F)
- K(c);P-FLIGHT,P_SPINB(e)::QAR1(F),XB(e)
- P(d);OGATE,XS(D)::QAR1(F),XP(d)
- B(e);OGATE::QAB1(F)
- P(d);::QAB1(F),XB(e)
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).