MESON Chess Problem Database
Problem Display
PID: 147951 (Nn6/2B3Rp/2R3pP/b2k3p/B2P3K/2p1PP1N/2P1n3/8 w - - 0 1)
Dawson, Thomas Rayner
Chess Amateur (The), 1912
#2
12 + 8
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Bxc7
- 2.Sxc7#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sxc6
- 2.Bb3#
- 1...Sd7
- 2.Rxd7#
- 1...g5+
- 2.Rxg5#
- 1...Bb4
- Tries
- 1.Kg5?
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...h4!
- 1...Bxc7
- 1.Bb5?
- threat
- 2.Rd6#
- 1...g5+
- 2.Rxg5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Bb4
- 2.Sb6#
- 1...Sxc6!
- threat
- 1.Bh2?
- 1...g5+
- 2.Rxg5#
- 1...Sxd4
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 1...Bb4
- 2.Sb6#
- 2.Sc7#
- 1...Bb6
- 2.Sxb6#
- 1...Bc7
- 2.Sxc7#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Bd8+!
- 1...g5+
- 1.Bg3?
- 1...g5+
- 2.Rxg5#
- 1...Sxg3
- 2.Sf4#
- 1...Sxd4
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 1...Bb4
- 2.Sb6#
- 2.Sc7#
- 1...Bb6
- 2.Sxb6#
- 1...Bc7
- 2.Sxc7#
- 1...Sg1
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Bd8+!
- 1...g5+
- 1.Bxb8?
- threat
- 2.Rd7#
- 1...g5+
- 2.Rxg5#
- 1...Bb4
- 2.Sb6#
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Bd8+!
- threat
- 1.Rgxg6?
- threat
- 2.Bb3#
- 2.Rc5#
- 2.Rg5#
- 2.Rgd6#
- 1...Bxc7
- 2.Sxc7#
- 2.Bb3#
- 2.Rc5#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 2.Rc5#
- 2.Rg5#
- 2.Rgd6#
- 1...Bb4
- 2.Sb6#
- 2.Bb3#
- 2.Rg5#
- 1...Bb6
- 2.Sxb6#
- 2.Bb3#
- 2.Rg5#
- 2.Rgd6#
- 1...Sg3
- 2.Sf4#
- 2.Bb3#
- 2.Rc5#
- 2.Rgd6#
- 1...Sa6
- 2.Bb3#
- 2.Rg5#
- 2.Rgd6#
- 1...Sd7
- 2.Bb3#
- 2.Rgd6#
- 1...hxg6!
- threat
- 1.Re7?
- threat
- 2.Rc5#
- 2.Re5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.Re5#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Bb4
- 2.Sb6#
- 2.Re5#
- 1...Bb6
- 2.Sxb6#
- 2.Re5#
- 1...Sa6
- 2.Re5#
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...g5+!
- threat
- 1.Rf7?
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...g5+!
- 1...Bxc7
- 1.Rxh7?
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...g5+!
- 1...Bxc7
- 1.Rg8?
- 1...g5+
- 2.Rxg5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.Sf4#
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Sc1
- 2.Sf4#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sa6
- 2.Rd8#
- 1...Sd7!
- 1...g5+
- 1.Kg5?
- Keys
- 1.Sg5!
- threat
- 2.Rc5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxd4
- 2.e4#
- 1...Sxc6
- 2.Bb3#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sa6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- B(c);XB(J)::S(L),XB(c)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);SBLOCK,XR(H)::B(E)
- S(h);N_GUARD::R(K),XS(h)
- P(f);CHECK,OGATE::R(K),XP(f)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- B(c);XB(J)::S(L),XB(c)
- S(h);SBLOCK,XR(H)::B(E)
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- P(e);
- Try
- B(E);
- Threat
- R1(H)
- Vars
- P(f);CHECK,OGATE::R(K),XP(f)
- B(c);XB(J)::S(L),XB(c)
- B(c);N_GUARD::S(L)
- Refutation
- S(h);XR(H)
- Try
- B(J);
- Vars
- P(f);CHECK,OGATE::R(K),XP(f)
- S(a);SBLOCK,XP(F)::P(B)
- S(h);SBLOCK,XR(H)::B(E)
- S(a);N_GUARD::S(D)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- B(c);CHECK
- Try
- B(J);
- Vars
- P(f);CHECK,OGATE::R(K),XP(f)
- S(a);N_GUARD,XB(J)::S(D)
- S(a);SBLOCK,XP(F)::P(B)
- S(h);SBLOCK,XR(H)::B(E)
- S(a);N_GUARD::S(D)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- B(c);CHECK
- Try
- B(J);XS(h)
- Threat
- R(K)
- Vars
- P(f);CHECK,OGATE::R(K),XP(f)
- B(c);N_GUARD::S(L),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(K);XP(f)
- Threat
- DUALS(4)
- Vars
- S(h);XR(H)::B(E)
- Refutation
- P(g);XR(K)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- B(c);XB(J)::S(L),XB(c)
- S(h);SBLOCK,XR(H)::B(E)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- P(f);CHECK
- Try
- R(K);
- Vars
- B(c);XB(J)::S(L),XB(c)
- S(h);SBLOCK,XR(H)::B(E)
- S(a);N_GUARD::S(D)
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- P(f);CHECK
- Try
- R(K);XP(g)
- Vars
- B(c);XB(J)::S(L),XB(c)
- S(h);SBLOCK,XR(H)::B(E)
- S(a);N_GUARD::S(D)
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
- Refutation
- P(f);CHECK
- Try
- R(K);
- Vars
- P(f);CHECK,OGATE::R(K),XP(f)
- B(c);XB(J)::S(L),XB(c)
- S(h);SBLOCK,XR(H)::B(E)
- S(a);N_GUARD::S(D)
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::R(K)
- Refutation
- S(h);
- Try
- Actual
- S(D);
- Threat
- R1(H)
- Vars
- B(c);XB(J)::S(L),XB(c)
- S(a);SBLOCK,XP(F)::P(B)
- S(h);SBLOCK,XR(H)::B(E)
- B(c);N_GUARD::S(L)
- B(c);N_GUARD::S(L),XB(c)
- S(h);N_GUARD::R(K)
- S(h);N_GUARD::R(K),XS(h)
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