MESON Chess Problem Database
Problem Display
PID: 2905 (4Q3/2RpR2N/pP1pbP2/P2k4/4pnp1/2P1p1Bp/4P2K/8 w - - 0 1)
Juchli, Josef
Neue Zurcher Zeitung, 1895
(First published on Sun Jun 23 1895)
#2
11 + 10
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qh5#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sxe2
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Ke5
- Tries
- 1.Kh1?
- 1...Ke5
- 2.Qh5#
- 1...Sxe2
- 2.Qa8#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...h2!
- 1...Ke5
- 1.Sg5?
- 1...Sxe2
- 2.Qa8#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Ke5!
- 1...Sxe2
- 1.Sf8?
- 1...Sxe2
- 2.Qa8#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Ke5!
- 1...Sxe2
- 1.Rxe6?
- 1...Sxe2
- 2.Rxd6#
- 1...Sxe6
- 2.Qa8#
- 1...Sg2
- 2.Rxd6#
- 1...Sd3
- 2.Rxd6#
- 1...Sh5
- 2.Rxd6#
- 1...Sg6
- 2.Rxd6#
- 1...dxe6!
- 1...Sxe2
- 1.Rg7?
- 1...Ke5
- 2.Rg5#
- 1...Sxe2
- 2.Qa8#
- 1...Bf7
- 2.Rg5#
- 1...Bg8
- 2.Rg5#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Bf5!
- 1...Ke5
- 1.Qh5+?
- 1...Bf5
- 2.Qxf5#
- 1...Sxh5!
- 1...Bf5
- 1.Qxd7?
- 1...Ke5
- 2.Qxe6#
- 1...Sxe2
- 2.Qc6#
- 2.Qxe6#
- 2.Qxd6#
- 1...Bf5
- 2.Qxf5#
- 2.Qc6#
- 1...Bf7
- 2.Qf5#
- 2.Qc6#
- 1...Bg8
- 2.Qf5#
- 2.Qc6#
- 1...Sg2
- 2.Qc6#
- 2.Qxe6#
- 2.Qxd6#
- 1...Sd3
- 2.Qc6#
- 2.Qxe6#
- 2.Qxd6#
- 1...Sh5
- 2.Qc6#
- 2.Qxe6#
- 2.Qxd6#
- 1...Sg6
- 2.Qc6#
- 2.Qxe6#
- 2.Qxd6#
- 1...Bxd7!
- 1...Ke5
- 1.Qc8?
- 1...Sxe2
- 2.Qb7#
- 2.Qa8#
- 1...Bf5
- 2.Qb7#
- 2.Qa8#
- 1...Bf7
- 2.Qb7#
- 2.Qa8#
- 1...Bg8
- 2.Qb7#
- 2.Qa8#
- 1...Sg2
- 2.Qb7#
- 2.Qa8#
- 1...Sd3
- 2.Qb7#
- 2.Qa8#
- 1...Sh5
- 2.Qb7#
- 2.Qa8#
- 1...Sg6
- 2.Qb7#
- 2.Qa8#
- 1...Ke5!
- 1...Sxe2
- 1.Qd8?
- 1...Sxe2
- 2.Qa8#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Ke5!
- 1...Sxe2
- 1.Qf8?
- 1...Sxe2
- 2.Qa8#
- 1...Bf5
- 2.Qa8#
- 1...Bf7
- 2.Qa8#
- 1...Bg8
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Ke5!
- 1...Sxe2
- 1.Qg8?
- 1...Ke5
- 2.Qg5#
- 1...Sxe2
- 2.Qa8#
- 1...Bf7
- 2.Qg5#
- 2.Qa8#
- 1...Sg2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Bxg8!
- 1...Ke5
- 1.f7?
- 1...Bxf7
- 2.Sf6#
- 2.Qa8#
- 1...Sxe2
- 2.Sf6#
- 2.Qa8#
- 1...Bf5
- 2.Sf6#
- 2.Qa8#
- 1...Sg2
- 2.Sf6#
- 2.Qa8#
- 1...Sd3
- 2.Sf6#
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Sf6#
- 2.Qa8#
- 1...Ke5!
- 1...Bxf7
- 1.Kh1?
- Keys
- 1.Qb8!
- 1...Ke5
- 2.Rc5#
- 1...Sxe2
- 2.Qb7#
- 2.Qa8#
- 1...Bf5
- 2.Qb7#
- 2.Qa8#
- 1...Bf7
- 2.Qb7#
- 2.Qa8#
- 1...Bg8
- 2.Qb7#
- 2.Qa8#
- 1...Sg2
- 2.Qb7#
- 2.Qa8#
- 1...Sd3
- 2.Qb7#
- 2.Qa8#
- 1...Sh5
- 2.Qb7#
- 2.Qa8#
- 1...Sg6
- 2.Qb7#
- 2.Qa8#
- 1...Ke5
- 1.Qb8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)::QAR(K)
- B(i);::QAB(K)
- S(d);XP(A)::QAB(K)
- S(d);::QAB(K)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)::QAR(K)
- S(d);XP(A)::QAB(K)
- B(i);::QAB(K)
- S(d);::QAB(K)
- Refutation
- P(b);
- Try
- S(J);
- Vars
- S(d);XP(A)::QAB(K)
- B(i);::QAB(K)
- S(d);::QAB(K)
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- S(J);
- Vars
- S(d);XP(A)::QAB(K)
- B(i);::QAB(K)
- S(d);::QAB(K)
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- R(I);XB(i)
- Vars
- S(d);XP(A)::R1(I),XP(h)
- S(d);SBLOCK,XR(I)::QAB(K)
- S(d);::R1(I),XP(h)
- Refutation
- P(j);XR(I)
- Try
- R(I);
- Vars
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)::R(I)
- S(d);XP(A)::QAB(K)
- B(i);N_GUARD::R(I)
- S(d);::QAB(K)
- Refutation
- B(i);
- Try
- Q(K);CHECK
- Vars
- B(i);N_GUARD,P_SPINB(i)::QAR2(K),XB(i)
- Refutation
- S(d);XQ(K)
- Try
- Q(K);P_PINP(h),XP(j)
- Vars
- K(f);N_SPINP(h),P-FLIGHT,P_SPINB(i),P_SPINS(d)::QAR1(K),XB(i)
- Refutation
- B(i);N_SPINP(h),XQ(K)
- Try
- Q(K);
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- Q(K);
- Vars
- S(d);XP(A)::QAB(K)
- B(i);::QAB(K)
- S(d);::QAB(K)
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- Q(K);
- Vars
- S(d);XP(A)::QAB(K)
- B(i);::QAB(K)
- S(d);::QAB(K)
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- Q(K);P_PINB(i)
- Vars
- K(f);P-FLIGHT,P_SPINS(d)::QAR2(K)
- S(d);XP(A)::QAB(K)
- S(d);::QAB(K)
- Refutation
- B(i);N_SPINB(i),XQ(K)
- Try
- P(G);
- Vars
- S(d);::QAB(K)
- Refutation
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)
- Try
- Actual
- Q(K);
- Vars
- K(f);P-FLIGHT,P_SPINB(i),P_SPINS(d)::R(H)
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).