MESON Chess Problem Database
Problem Display
PID: 2974 (B5N1/nQp5/3pp3/N1RPkp2/p7/np3PP1/2P1pB2/2K4R w - - 0 1)
Bernard, Henry D'Oyly
Hampshire Telegraph, 1915
#2
12 + 10
| 15 | British Chess Magazine | 1917 |
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sc4#
- 1...Sxc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...e1Q+
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...bxc2
- 2.Qb2#
- 1...b2+
- 2.Qxb2#
- 1...f4
- 2.Rh5#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...c6
- 2.Qg7#
- 1...Sb1
- Tries
- 1.Kb2?
- 1...Sc4+
- 2.Sxc4#
- 1...Sxc2
- 2.Sc4#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Sb1
- 2.Sc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...c6
- 2.Qg7#
- 1...bxc2!
- 1...Sc4+
- 1.Kd2?
- 1...Sc4+
- 2.Sxc4#
- 1...e1Q+
- 2.Rxe1#
- 1...e1B+
- 2.Rxe1#
- 1...Sxc2
- 2.Sc4#
- 1...bxc2
- 2.Qb2#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...e1S
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...b2
- 2.Qxb2#
- 1...c6
- 2.Qg7#
- 1...Sb1+!
- 1...Sc4+
- 1.Re1?
- threat
- 2.Rxe2#
- 1...b2+
- 2.Qxb2#
- 1...Sxc2
- 2.Sc4#
- 1...dxc5
- 2.Qxc7#
- 1...Sc4
- 2.Sxc4#
- 1...f4!
- threat
- 1.Rg1?
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...b2+
- 2.Qxb2#
- 1...Sxc2
- 2.Sc4#
- 1...bxc2
- 2.Qb2#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sb1
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...c6
- 2.Qg7#
- 1...f4!
- 1...e1Q+
- 1.Qa6?
- threat
- 2.Qxe2#
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...Sxc2
- 2.Sc4#
- 1...dxc5
- 2.Qxe6#
- 1...f4
- 2.Rh5#
- 1...e1S
- 2.Rxe1#
- 2.Qe2#
- 1...e1B
- 2.Rxe1#
- 2.Qe2#
- 1...Sc4
- 2.Sxc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...b2+!
- threat
- 1.Qc8?
- threat
- 2.Qxe6#
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...Sxc8
- 2.Sc6#
- 1...exd5
- 2.Rxd5#
- 2.Qe8#
- 1...b2+!
- threat
- 1.Qb4?
- threat
- 2.Bd4#
- 2.Qc3#
- 2.Qd4#
- 2.Qf4#
- 2.f4#
- 1...e1Q+
- 2.Rxe1#
- 2.Qxe1#
- 1...e1R+
- 2.Rxe1#
- 2.Qxe1#
- 1...b2+
- 2.Qxb2#
- 1...Sxc2
- 2.Sc4#
- 2.Qf4#
- 2.f4#
- 1...dxc5
- 2.Qf4#
- 1...f4
- 2.Rh5#
- 2.Qe4#
- 2.Qxf4#
- 1...e1B
- 2.Bd4#
- 2.Rxe1#
- 2.Qxe1#
- 2.Qd4#
- 2.Qf4#
- 2.f4#
- 1...Sb1
- 2.Sc4#
- 2.Bd4#
- 2.Qd4#
- 2.Qf4#
- 2.f4#
- 1...Sc4
- 2.Sxc4#
- 2.Qc3#
- 1...S3b5
- 2.Sc4#
- 2.Qf4#
- 2.f4#
- 1...S7b5
- 2.Sc6#
- 2.Qf4#
- 2.f4#
- 1...Sc6
- 2.Sxc6#
- 2.Qf4#
- 2.f4#
- 1...exd5!
- threat
- 1.Qb5?
- threat
- 2.Qxe2#
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...b2+
- 2.Qxb2#
- 1...Sxc2
- 2.Sc4#
- 1...S3xb5
- 2.Sc4#
- 1...S7xb5
- 2.Sc6#
- 1...f4
- 2.Rh5#
- 1...e1S
- 2.Rxe1#
- 2.Qe2#
- 1...e1B
- 2.Rxe1#
- 2.Qe2#
- 1...Sc4
- 2.Sxc4#
- 1...dxc5!
- threat
- 1.Qxc7?
- threat
- 2.Qg7#
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...exd5
- 2.Qe7#
- 1...f4
- 2.Rh5#
- 1...b2+!
- threat
- 1.cxb3?
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sb1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...c6
- 2.Qg7#
- 1...axb3!
- 1...e1Q+
- 1.c3?
- threat
- 2.Bd4#
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Sc2
- 2.Sc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...b2+!
- threat
- 1.dxe6+?
- 1...dxc5
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Kxe6!
- 1...dxc5
- 1.Kb2?
- Keys
- 1.Qb8!
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...b2+
- 2.Qxb2#
- 1...Sxc2
- 2.Sc4#
- 1...bxc2
- 2.Qb2#
- 1...dxc5
- 2.Qxc7#
- 1...exd5
- 2.Qe8#
- 1...f4
- 2.Rh5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sb1
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...S3b5
- 2.Sc4#
- 1...S7b5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...c6
- 2.dxc6#
- 1...e1Q+
- 1.Qb8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(G)
- S(b);N_GUARD,XP(C)::S(G)
- S(b);N_GUARD::S(G),XS(b)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(c);OGATE,XP(C)::QAB(J)
- P(c);CHECK,OGATE::QAB(J),XP(c)
- P(f);OGATEB::R(B)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(j);OGATE::QAB(J)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(b);CHECK,N_GUARD::S(G),XS(b)
- S(b);N_GUARD,XP(C)::S(G)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(f);OGATEB::R(B)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(b);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(j);OGATE::QAB(J)
- Refutation
- P(c);XP(C)
- Try
- K(A);S_FLIGHT
- Vars
- S(b);CHECK,N_GUARD::S(G),XS(b)
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XB(a)
- S(b);N_GUARD,XP(C)::S(G)
- P(c);OGATE,XP(C)::QAB(J)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(f);OGATEB::R(B)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XR(a)
- S(b);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(c);OGATE::QAB(J),XP(c)
- P(j);OGATE::QAB(J)
- Refutation
- S(b);CHECK
- Try
- R(B);P_PINP(a)
- Threat
- R(B),XP(a)
- Vars
- P(c);CHECK,OGATE::QAB(J),XP(c)
- S(b);N_GUARD,XP(C)::S(G)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- S(b);N_GUARD::S(G),XS(b)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(c);CHECK,OGATE::QAB(J),XP(c)
- S(b);N_GUARD,XP(C)::S(G)
- P(c);OGATE,XP(C)::QAB(J)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(j);OGATE::QAB(J)
- Refutation
- P(f);
- Try
- Q(J);
- Threat
- QAR(J),XP(a)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- S(b);N_GUARD,XP(C)::S(G)
- P(g);OGATE,XR(H)::QAR1(J),XP(h)
- P(f);OGATEB::R(B)
- S(b);N_GUARD::S(G),XS(b)
- S(b);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
- Refutation
- P(c);CHECK
- Try
- Q(J);
- Threat
- QAR1(J),XP(h)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- S(i);N_GUARD,XQ(J)::S(G)
- Refutation
- P(c);CHECK
- Try
- Q(J);
- Threat
- DUALS(5)
- Vars
- P(c);CHECK,OGATE::QAB(J),XP(c)
- P(g);XR(H)::QAB1(J)
- Refutation
- P(h);P_SPINP(h),XP(I)
- Try
- Q(J);
- Threat
- QAR(J),XP(a)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(c);CHECK,OGATE::QAB(J),XP(c)
- S(b);N_GUARD,XP(C)::S(G)
- S(b);N_GUARD,XQ(J)::S(G)
- S(i);N_GUARD,XQ(J)::S(G)
- P(f);OGATEB::R(B)
- S(b);N_GUARD::S(G),XS(b)
- Refutation
- P(g);XR(H)
- Try
- Q(J);P_PINP(g),XP(j)
- Threat
- QAB(J)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(h);N_SPINP(g),OGATEB,P_SPINP(h),XP(I)::QAR2(J)
- P(f);OGATEB::R(B)
- Refutation
- P(c);CHECK
- Try
- P(C);XP(c)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(f);OGATEB::R(B)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(j);OGATE::QAB(J)
- Refutation
- P(d);XP(C)
- Try
- P(C);
- Threat
- B(D)
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(g);OGATEB,XR(H)::QAB(J),XP(j)
- P(h);OGATE,P_SPINP(h),XP(I)::QAR1(J),XP(h)
- P(f);OGATEB::R(B)
- S(b);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- Refutation
- P(c);CHECK
- Try
- P(I);CHECK,XP(h)
- Vars
- P(g);XR(H)::QAR1(J)
- P(g);P_SPINP(g)::QAR1(J),XP(g)
- Refutation
- K(e);P-FLIGHT,XP(I)
- Try
- Actual
- Q(J);
- Vars
- P(a);CHECK,OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XR(a)
- P(c);CHECK,OGATE::QAB(J),XP(c)
- S(b);N_GUARD,XP(C)::S(G)
- P(c);OGATE,XP(C)::QAB(J)
- P(g);OGATEB,P_SPINP(j),XR(H)::QAB(J),XP(j)
- P(h);OGATEB,P_SPINP(h),XP(I)::QAR(J)
- P(f);OGATEB::R(B)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(j);OGATE,P_SPINP(g)::R(H)+P(I),XP(j)
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).