MESON Chess Problem Database
Problem Display
PID: 195741 (3n1N1B/3P3R/1p2N3/5kp1/8/3pp2P/1n3qB1/b1R2Q1K w - - 0 1)
Bernard, Henry D'Oyly
Western Daily Mercury, 1917
(First published on Fri Nov 9 1917)
#2
10 + 9
| 2681 | All Change Here! | 1919 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxf1+
- 2.Rxf1#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sxe6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5
- 2.Rc5#
- 1...Qxf1+
- Tries
- 1.Kh2?
- 1...Qxf1
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5
- 2.Rc5#
- 1...Qf4+!
- 1...Qxf1
- 1.Bc6?
- 1...Qxf1+
- 2.Rxf1#
- 1...Qf3+
- 2.Qxf3#
- 1...Sxe6
- 2.Rf7#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5
- 2.Rc5#
- 1...Sxc6!
- 1...Qxf1+
- 1.Bxb2?
- threat
- 2.Qxd3#
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sg7#
- 1...d2
- 2.Qd3#
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...Bxb2!
- threat
- 1.Bc3?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sg7#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5!
- 1...Qxf1+
- 1.Rxa1?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5!
- 1...Qxf1+
- 1.Rb1?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5!
- 1...Qxf1+
- 1.Rd1?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxd1
- 2.Qxd3#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5!
- 1...Qxf1+
- 1.Re1?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...b5!
- 1...Qxf1+
- 1.Rc2?
- 1...Sxe6
- 2.Rf7#
- 1...dxc2
- 2.Qb5#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+!
- 1...Sxe6
- 1.Rc3?
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+!
- 1...Sxe6
- 1.Rc4?
- threat
- 2.Be4#
- 1...Sxc4
- 2.Qxd3#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...Qxf1+!
- threat
- 1.Rc6?
- 1...Sxc6
- 2.Rf7#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+!
- 1...Sxc6
- 1.Rc7?
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+!
- 1...Sxe6
- 1.Rc8?
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+!
- 1...Sxe6
- 1.Rh4?
- threat
- 2.Sd4#
- 2.Be4#
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Be4#
- 1...Qf3
- 2.Sd4#
- 2.Qxf3#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Be4#
- 2.Qxd3#
- 1...Sa4
- 2.Be4#
- 2.Qxd3#
- 1...Sc4
- 2.Be4#
- 2.Qxd3#
- 1...Sc6
- 2.Be4#
- 1...g4
- 2.Rh5#
- 2.hxg4#
- 1...gxh4!
- threat
- 1.Re7?
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sd4#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4!
- 1...Qxf1+
- 1.Kh2?
- Keys
- 1.Bd4!
- 1...Qxf1+
- 2.Rxf1#
- 1...Sxe6
- 2.Rf7#
- 1...Qf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Qf4
- 2.Sg7#
- 1...Sd1
- 2.Qxd3#
- 1...Sa4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sc6
- 2.Rf7#
- 1...Sb7
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...d2
- 2.Qb5#
- 1...e2
- 2.Qxf2#
- 1...g4
- 2.Rh5#
- 1...Qxf1+
- 1.Bd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD,XS(F)::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- P(h);N_GUARD::R(A)
- Tries
- Try
- K(C);P-FLIGHT,P_SPINB(D)
- Vars
- Q(c);N_PINB(D),N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);N_PINB(D)::QAR2(B),XQ(c)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- P(h);N_GUARD::R(A)
- Refutation
- Q(c);CHECK,N_PINB(D)
- Try
- B(D);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- Q(c);CHECK,OGATE::QAR2(B),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- P(h);N_GUARD::R(A)
- Refutation
- S(i);XB(D)
- Try
- B(J);XS(b)
- Threat
- QAB(B),XP(d)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- P(e);N_GUARD::QAR(B),XQ(c)
- Refutation
- B(a);XB(J)
- Try
- B(J);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- P(h);
- Try
- R(A);XB(a)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- P(h);
- Try
- R(A);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- P(h);
- Try
- R(A);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(b);N_GUARD,XR(A)::QAB(B),XP(d)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- P(h);
- Try
- R(A);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- P(h);
- Try
- R(A);
- Vars
- S(i);N_GUARD,XS(F)::R(H)
- P(d);OGATE,XR(A)::QAR(B)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(A);
- Vars
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(A);
- Threat
- B(D)
- Vars
- S(b);N_GUARD,XR(A)::QAB(B),XP(d)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(A);
- Vars
- S(i);N_GUARD,XR(A)::R(H)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(A);
- Vars
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(A);
- Vars
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::R(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(B)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);XS(F)::B(D)
- Q(c);::S(F)
- S(i);::B(D)
- Refutation
- P(g);XR(H)
- Try
- R(H);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- Refutation
- P(g);
- Try
- Actual
- B(J);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(B)::R(A),XQ(c)
- S(i);N_GUARD,XS(F)::R(H)
- Q(c);OGATE,P_PINB(D)::QAR2(B),XQ(c)
- P(h);N_GUARD::R(A)
- Q(c);::S(F)
- S(b);N_GUARD::QAB(B),XP(d)
- S(i);N_GUARD::R(H)
- S(i);N_GUARD::R(H),XS(i)
- P(d);OGATE::QAR(B)
- P(e);N_GUARD::QAR(B),XQ(c)
- P(g);OGATEB::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).