MESON Chess Problem Database
Problem Display
PID: 3061 (8/2Q5/1p4p1/1P4P1/2N1B3/P1kP3p/1pP3bR/bR2K3 w - - 0 1)
Barry, Henry William
Source?, 1918
#2
11 + 7
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Kxc2
- 2.Sd2#
- 1...Kd4
- 2.Qe5#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qe5#
- 2.Qg7#
- 1...Bxe4
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2
- Tries
- 1.Kd1?
- threat
- 2.Qe5#
- 2.Qg7#
- 1...Kd4
- 2.Qe5#
- 1...Bf3+!
- threat
- 1.Bf3?
- 1...Kd4
- 2.Qe5#
- 1...Bxf3
- 2.Qe5#
- 2.Qg7#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Bc6?
- 1...Kd4
- 2.Qe5#
- 1...Bxc6
- 2.Qe5#
- 2.Qg7#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qe5#
- 2.Qg7#
- 1...Be4
- 2.Qe5#
- 2.Qg7#
- 1...Bd5
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Bxg6?
- 1...Kd4
- 2.Qe5#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qe5#
- 2.Qg7#
- 1...Be4
- 2.Qe5#
- 2.Qg7#
- 1...Bd5
- 2.Qe5#
- 2.Qg7#
- 1...Bc6
- 2.Qe5#
- 2.Qg7#
- 1...Bb7
- 2.Qe5#
- 2.Qg7#
- 1...Ba8
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Bb7?
- 1...Kd4
- 2.Qe5#
- 1...Bxb7
- 2.Qe5#
- 2.Qg7#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qe5#
- 2.Qg7#
- 1...Be4
- 2.Qe5#
- 2.Qg7#
- 1...Bd5
- 2.Qe5#
- 2.Qg7#
- 1...Bc6
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Ba8?
- 1...Kd4
- 2.Qe5#
- 1...Bxa8
- 2.Qe5#
- 2.Qg7#
- 1...Bf1
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qe5#
- 2.Qg7#
- 1...Be4
- 2.Qe5#
- 2.Qg7#
- 1...Bd5
- 2.Qe5#
- 2.Qg7#
- 1...Bc6
- 2.Qe5#
- 2.Qg7#
- 1...Bb7
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Rxb2?
- threat
- 2.Qe5#
- 2.Qg7#
- 1...Kd4
- 2.Qe5#
- 1...Bxb2!
- threat
- 1.Rxg2?
- threat
- 2.Qe5#
- 2.Qg7#
- 1...Kd4
- 2.Qe5#
- 1...hxg2!
- threat
- 1.Qf4?
- 1...Kd4
- 2.Qe5#
- 1...Bxe4
- 2.Qe5#
- 2.Qf6#
- 1...Bf1
- 2.Qe5#
- 2.Qf6#
- 1...Bh1
- 2.Qe5#
- 2.Qf6#
- 1...Bf3
- 2.Qe5#
- 2.Qf6#
- 1...Kxc2!
- 1...Kd4
- 1.Qxb6?
- 1...Bxe4
- 2.Qf6#
- 1...Bf1
- 2.Qf6#
- 1...Bh1
- 2.Qf6#
- 1...Bf3
- 2.Qf6#
- 1...Kxc2!
- 1...Bxe4
- 1.Qd6?
- 1...Bxe4
- 2.Qe5#
- 2.Qf6#
- 1...Bf1
- 2.Qe5#
- 2.Qf6#
- 1...Bh1
- 2.Qe5#
- 2.Qf6#
- 1...Bf3
- 2.Qe5#
- 2.Qf6#
- 1...Kxc2!
- 1...Bxe4
- 1.Qb8?
- 1...Kd4
- 2.Qe5#
- 1...Bxe4
- 2.Qe5#
- 2.Qh8#
- 1...Bf1
- 2.Qe5#
- 2.Qh8#
- 1...Bh1
- 2.Qe5#
- 2.Qh8#
- 1...Bf3
- 2.Qe5#
- 2.Qh8#
- 1...Kxc2!
- 1...Kd4
- 1.Qd8?
- 1...Bxe4
- 2.Qf6#
- 2.Qh8#
- 1...Bf1
- 2.Qf6#
- 2.Qh8#
- 1...Bh1
- 2.Qf6#
- 2.Qh8#
- 1...Bf3
- 2.Qf6#
- 2.Qh8#
- 1...Kxc2!
- 1...Bxe4
- 1.Qc6?
- 1...Kxc2
- 2.Sd2#
- 1...Bxe4
- 2.Qf6#
- 1...Bf1
- 2.Qf6#
- 1...Bh1
- 2.Qf6#
- 1...Bf3
- 2.Qf6#
- 1...Kd4!
- 1...Kxc2
- 1.Qd7?
- 1...Bxe4
- 2.Qg7#
- 1...Bf1
- 2.Qg7#
- 1...Bh1
- 2.Qg7#
- 1...Bf3
- 2.Qg7#
- 1...Kxc2!
- 1...Bxe4
- 1.Qe7?
- 1...Kd4
- 2.Qe5#
- 1...Bxe4
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Bf1
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Bh1
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Bf3
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Kxc2!
- 1...Kd4
- 1.Qc8?
- 1...Kxc2
- 2.Sd2#
- 1...Bxe4
- 2.Qh8#
- 1...Bf1
- 2.Qh8#
- 1...Bh1
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Kd4!
- 1...Kxc2
- 1.Kd1?
- Keys
- 1.Qg3!
- 1...Kxc2
- 2.d4#
- 1...Kd4
- 2.Qe5#
- 1...Bxe4
- 2.Qe5#
- 1...Bf1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Kxc2
- 1.Qg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(d);P-FLIGHT,P_SPINB(c),XP(C)::QAR(K)+S(G)
- K(d);S_FLIGHT::QAB1(K)
- Tries
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- B(c);CHECK
- Try
- B(H);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- B(H);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- B(H);XP(g)
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- B(H);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- B(H);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- R(A);XP(b)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- B(a);XR(A)
- Try
- R(D);XB(c)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- P(e);XR(D)
- Try
- Q(K);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);XP(f)
- Vars
- B(c);XB(H)::QAB(K)
- B(c);::QAB(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Vars
- K(d);P-FLIGHT,P_SPINB(c),XP(C)::QAR(K)+S(G)
- B(c);XB(H)::QAB(K)
- B(c);::QAB(K)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(K);
- Vars
- B(c);XB(H)::QAB(K)
- B(c);::QAB(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Vars
- K(d);S_FLIGHT::QAB1(K)
- Refutation
- K(d);P-FLIGHT,P_SPINB(c),XP(C)
- Try
- Q(K);
- Vars
- K(d);P-FLIGHT,P_SPINB(c),XP(C)::QAR(K)+S(G)
- B(c);XB(H)::QAB(K)
- B(c);::QAB(K)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(K);
- Vars
- K(d);P-FLIGHT,P_SPINB(c),XP(C)::B(H)+P(F)
- K(d);S_FLIGHT::QAB1(K)
- B(c);XB(H)::QAB(K)
- B(c);::QAB(K)
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).