MESON Chess Problem Database
Problem Display
PID: 205113 (4R3/3N4/2N4n/1BPk4/5p2/1K1pq2Q/3P1r1b/8 w - - 0 1)
Wainwright, Joseph CJ
American Chess Bulletin, 1915
#2
8 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Re5#
- 2.Qe6#
- 1...Qd4
- 2.Qe6#
- 1...Qxc5
- 2.Qe6#
- 1...Qe1
- 2.Qxd3#
- 1...Qf3
- 2.Re5#
- 2.Qe6#
- 1...Qg3
- 2.Re5#
- 2.Qe6#
- 1...Qxh3
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qe6
- 2.Qxe6#
- 2.Qxd3#
- 1...Qxd2
- Tries
- 1.Qf5+?
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sxf5!
- 1...Qe5
- 1.Qxe3?
- threat
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Rxd2
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qd4#
- 2.Qf3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Sg4
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe6#
- 1...Re2
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qd4#
- 2.Qxd3#
- 1...Rf3
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qd4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Sf5
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Sf7
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe6#
- 1...Sg8
- 2.Sb4#
- 2.Sb6#
- 2.Re5#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...f3
- 2.Sb4#
- 2.Se7#
- 2.Sb6#
- 2.Sf6#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qe6#
- 1...fxe3!
- threat
- 1.Qf3+?
- 1...Qxf3
- 2.Re5#
- 1...Qe4
- 2.Re5#
- 2.Qxe4#
- 1...Rxf3!
- 1...Qxf3
- 1.Qh5+?
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf5!
- 1...Qe5
- 1.dxe3?
- threat
- 2.Sb4#
- 2.Re5#
- 2.Qe6#
- 2.e4#
- 1...fxe3
- 2.Qe6#
- 1...Sg4
- 2.Sb4#
- 2.e4#
- 1...Re2
- 2.Sb4#
- 2.Re5#
- 2.Qe6#
- 2.Qf3#
- 1...Sf5
- 2.Sb4#
- 2.Re5#
- 2.Qxf5#
- 2.e4#
- 1...Sf7
- 2.Sb4#
- 2.Qe6#
- 2.e4#
- 1...f3
- 2.Sb4#
- 2.Qe6#
- 2.e4#
- 1...Rb2+!
- threat
- 1.Qf5+?
- Keys
- 1.Re6!
- threat
- 2.Bc4#
- 1...Qxc5
- 2.Sf6#
- 1...Qxe6
- 2.Qxd3#
- 1...Qe5
- 2.Rxe5#
- 1...Qd4
- 2.Se7#
- 1...Qe4
- 2.Rd6#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- Q(d);N_GUARD::QAB1(C)
- Q(d);N_GUARD,XP(E)::QAB1(C)
- Q(d);OGATE::QAR2(C),XP(c)
- Q(d);N_GUARD,XQ(C)::R1(H)
- Q(d);N_GUARD::R1(H),XQ(d)
- Tries
- Try
- Q(C);CHECK
- Refutation
- S(g);XQ(C)
- Try
- Q(C);XQ(d)
- Threat
- DUALS(10)
- Refutation
- P(e);XQ(C)
- Try
- Q(C);CHECK
- Vars
- Q(d);XQ(C)::R1(H)
- Refutation
- R(a);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- S(g);P_SPINS(g)
- Try
- P(A);XQ(d)
- Threat
- DUALS(4)
- Vars
- P(e);XP(A)::QAB1(C)
- Refutation
- R(a);CHECK
- Try
- Actual
- R(H);
- Threat
- B(D)
- Vars
- Q(d);SBLOCK,XP(E)::S(G)
- Q(d);OGATE,SBLOCK,XR(H)::QAR2(C),XP(c)
- Q(d);N_GUARD::R1(H),XQ(d)
- Q(d);SBLOCK::S(F)
- Q(d);SBLOCK::R1(H)
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