MESON Chess Problem Database
Problem Display
PID: 50734 (4rnN1/1Bb2N1p/2P1p1pP/3kp1Pn/3pp3/4B3/2R5/R3K3 w Q - 0 1)
Dawson, Thomas Rayner
The Podunk Club, 1915
#2
10 + 11
| 273 | Mat Plus | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...dxe3
- 2.Rd1#
- 2.0-0-0#
- 1...d3
- 2.Rc5#
- 1...Re7
- Tries
- 1.Kd1?
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5
- 2.Rxa5#
- 2.c7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Re7
- 1.Kf1?
- 1...dxe3
- 2.Rd1#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5
- 2.Rxa5#
- 2.c7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...Sg3+!
- 1...dxe3
- 1.Kd2?
- 1...Ba5+
- 2.Rxa5#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3+!
- 1...Ba5+
- 1.Kf2?
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5
- 2.Rxa5#
- 2.c7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3+!
- 1...Re7
- 1.Bg1?
- 1...Ba5+
- 2.Rxa5#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...e3!
- 1...Ba5+
- 1.Bf2?
- 1...Ba5+
- 2.Rxa5#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...e3!
- 1...Ba5+
- 1.Rb1?
- threat
- 2.Rb5#
- 1...dxe3
- 2.Rd1#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Sd7
- 2.cxd7#
- 1...Ba5+!
- threat
- 1.Rac1?
- threat
- 2.Rc5#
- 1...dxe3
- 2.Rd1#
- 1...Bb6
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Sd7
- 2.cxd7#
- 1...Ba5+!
- threat
- 1.Rd1?
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...Ba5+!
- 1...Bb6
- 1.Raa2?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Ra3?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Ra4?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Ra6?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Ra7?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Ra8?
- 1...Ba5+
- 2.Rxa5#
- 1...Rxa8
- 2.Se7#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Rcc1?
- 1...Ba5+
- 2.Rxa5#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxe3!
- 1...Ba5+
- 1.Rc3?
- 1...dxe3
- 2.Rd1#
- 2.0-0-0#
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5
- 2.Rxa5#
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.Ra5#
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...dxc3!
- 1...dxe3
- 1.Kd1?
- Keys
- 1.0-0-0!
- 1...Bb6
- 2.c7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ba5
- 2.c7#
- 1...Bd6
- 2.c7#
- 1...Bb8
- 2.c7#
- 1...Bd8
- 2.c7#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd7
- 2.cxd7#
- 1...d3
- 2.Rc5#
- 1...Bb6
- 1.0-0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- K(B);P-FLIGHT
- Vars
- P(a);OGATEB,XB(D)::R(A)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- S(e);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);CHECK,XB(D)
- Try
- K(B);S_FLIGHT
- Vars
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);CHECK,XB(D)
- Try
- B(D);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- B(h);OGATE::B(H)+P(F)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(b);
- Try
- R(A);
- Threat
- R(A)
- Vars
- P(a);OGATEB,XB(D)::R(A)
- B(h);OGATE::B(H)+P(F)
- S(k);OGATE::B(H)+P(F),XS(k)
- Refutation
- B(h);CHECK
- Try
- R(A);
- Threat
- R1(C)
- Vars
- P(a);OGATEB,XB(D)::R(A)
- B(h);OGATE::B(H)+P(F)
- S(k);OGATE::B(H)+P(F),XS(k)
- Refutation
- B(h);CHECK
- Try
- R(A);P_PINP(a)
- Vars
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- B(h);CHECK
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(A);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- R(j);N_GUARD,XR(A)::S(J)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(C);
- Vars
- B(h);CHECK,N_GUARD::R(A),XB(h)
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XB(D)
- Try
- R(C);
- Vars
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
- Refutation
- P(a);XR(C)
- Try
- Actual
- K(B);0-0-0,P_PINP(a)
- Vars
- B(h);OGATE::B(H)+P(F)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(k);OGATE::B(H)+P(F),XS(k)
- P(a);::R1(C)
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).