MESON Chess Problem Database
Problem Display
PID: 3081 (1R2r3/r1k2N2/PR2P3/4pK2/5b1Q/4p1p1/4P1B1/8 w - - 0 1)
Dawson, Thomas Rayner
Chess Amateur (The), 1918
#2
9 + 7
| 2681 | All Change Here! | 1919 |
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rxa6
- 2.R6b7#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Re7
- 2.Qxe7#
- 1...Rxb8
- 2.Rc6#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bg5
- 2.Qc4#
- 1...Bh6
- 2.Qc4#
- 1...e4
- 2.Qxf4#
- 1...Rxa6
- Tries
- 1.Sd6?
- threat
- 2.Sb5#
- 2.Sxe8#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R8xb7#
- 1...Re7
- 2.Sb5#
- 2.Qxe7#
- 1...Rc8
- 2.Sb5#
- 2.Qe7#
- 1...Rd8
- 2.Sb5#
- 2.Qxd8#
- 1...Rg8
- 2.Sb5#
- 2.Qe7#
- 1...Rh8
- 2.Sb5#
- 2.Qe7#
- 1...Rf8+!
- threat
- 1.Bh1?
- 1...Rxa6
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Re7
- 2.Qxe7#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bg5
- 2.Qc4#
- 1...Bh6
- 2.Qc4#
- 1...e4
- 2.Qxf4#
- 1...g2!
- 1...Rxa6
- 1.Bf3?
- 1...Rxa6
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Re7
- 2.Qxe7#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bg5
- 2.Qc4#
- 1...Bh6
- 2.Qc4#
- 1...e4
- 2.Qxf4#
- 1...g2!
- 1...Rxa6
- 1.Bd5?
- 1...Rxa6
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Re7
- 2.Qxe7#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bg5
- 2.Qc4#
- 1...Bh6
- 2.Qc4#
- 1...e4
- 2.Qxf4#
- 1...g2!
- 1...Rxa6
- 1.R8b7+?
- 1...Kc8
- 2.Sd6#
- 2.Rc6#
- 1...Rxb7!
- 1...Kc8
- 1.Rxe8?
- threat
- 2.Rc6#
- 2.Qd8#
- 1...Rxa6
- 2.Rb7#
- 2.Qd8#
- 1...Ra8
- 2.Rc6#
- 2.Rb7#
- 1...Bg5
- 2.Rc6#
- 1...e4
- 2.Qd8#
- 1...Kxb6!
- threat
- 1.Qg5?
- 1...Rxa6
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Re7
- 2.Qxe7#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...e4
- 2.Qxf4#
- 1...Bxg5!
- 1...Rxa6
- 1.Qh1?
- threat
- 2.Qc1#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Rxe6!
- threat
- 1.Sd6?
- Keys
- 1.Qf6!
- 1...Rxa6
- 2.R6b7#
- 1...Rxe6
- 2.Qd8#
- 1...Rxb8
- 2.Rc6#
- 1...Rb7
- 2.R6xb7#
- 1...Ra8
- 2.R6b7#
- 1...Re7
- 2.Qxe7#
- 1...Rc8
- 2.Qe7#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bg5
- 2.Qxe5#
- 1...Bh6
- 2.Qxe5#
- 1...e4
- 2.Qc3#
- 1...Rxa6
- 1.Qf6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD,XP(E)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);SBLOCK,XR(I)::R1(F)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- R(g);N_GUARD,P_PINS(H)::QAR2(C)
- B(c);OGATE::QAR(C)
- P(d);OGATEB::QAB(C),XB(c)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(I),XR(e)
- Refutation
- R(g);CHECK
- Try
- B(B);
- Vars
- R(e);N_GUARD,XP(E)::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- R(g);N_GUARD,P_PINS(H)::QAR2(C)
- B(c);OGATE::QAR(C)
- P(d);OGATEB::QAB(C),XB(c)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- R(e);N_GUARD,XP(E)::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- R(g);N_GUARD,P_PINS(H)::QAR2(C)
- B(c);OGATE::QAR(C)
- P(d);OGATEB::QAB(C),XB(c)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- R(e);N_GUARD,XP(E)::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- R(g);N_GUARD,P_PINS(H)::QAR2(C)
- B(c);OGATE::QAR(C)
- P(d);OGATEB::QAB(C),XB(c)
- Refutation
- P(b);
- Try
- R(I);CHECK
- Refutation
- R(e);XR(I)
- Try
- R(I);XR(g)
- Threat
- DUALS(2)
- Vars
- B(c);::R1(F)
- P(d);::QAB1(C)
- Refutation
- K(f);S_FLIGHT,XR(F)
- Try
- Q(C);
- Vars
- R(e);N_GUARD,XP(E)::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- R(g);N_GUARD,P_PINS(H)::QAR2(C)
- P(d);OGATEB::QAB(C),XB(c)
- Refutation
- B(c);XQ(C)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- Refutation
- R(g);XP(G)
- Try
- Actual
- Q(C);
- Vars
- R(e);N_GUARD,XP(E)::R1(F)
- R(g);N_GUARD,XP(G)::QAB1(C)
- R(g);SBLOCK,XR(I)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(g);N_GUARD::QAR2(C),XR(g)
- R(g);N_GUARD::QAR2(C)
- R(g);N_GUARD::QAB1(C),XR(g)
- B(c);N_GUARD::QAB(C),XP(d)
- P(d);OGATE::QAR(C)
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