MESON Chess Problem Database
Problem Display
PID: 147055 (1R3NN1/8/2pk4/3p1Q2/1b2p3/3b2R1/7B/6K1 w - - 0 1)
Foster, Geoffrey R
2/3 Prize, Australian Chess Problem Magazine TT, 1995-1996
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Kc7
- 2.Rg7#
- 1...Bb1
- 2.Rc3#
- 1...Bf1
- 2.Rc3#
- 1...Bc2
- 2.Rc3#
- 1...Be2
- 2.Rc3#
- 1...Bb5
- 2.Rc3#
- 1...Ba6
- 2.Rc3#
- 1...Bc5+
- 2.Re3#
- 1...d4
- 2.Rg2#
- 2.Rxd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...c5
- 2.Rg6#
- 1...Kc7
- Tries
- 1.Sd7?
- threat
- 2.Rg2#
- 2.Rxd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bc5+
- 2.Re3#
- 1...c5
- 2.Rg6#
- 1...Bb1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bf1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bc2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Be2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bc4
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bb5
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Ba6
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Be1
- 2.Rg6#
- 1...Bd2
- 2.Re3#
- 2.Rg6#
- 1...Bc3
- 2.Rg6#
- 1...e3
- 2.Rg2#
- 2.Rxe3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Kc7!
- threat
- 1.Rb5?
- threat
- 2.Rg2#
- 2.Rxd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Bc5+
- 2.Re3#
- 1...Kc7
- 2.Qd7#
- 1...Bxb5
- 2.Rc3#
- 1...c5
- 2.Rg6#
- 1...Bc4
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Bb1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Bf1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Bc2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Be2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...Be1
- 2.Rg6#
- 2.Qf4#
- 1...Bd2
- 2.Re3#
- 2.Rg6#
- 1...Bc3
- 2.Rg6#
- 1...e3
- 2.Rg2#
- 2.Rxe3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf4#
- 1...cxb5!
- threat
- 1.Qe6+?
- 1...Kc7
- 2.Rg7#
- 1...Kc5!
- 1...Kc7
- 1.Qd7+?
- 1...Ke5
- 2.Rxd3#
- 1...Kc5!
- 1...Ke5
- 1.Qh7?
- threat
- 2.Qe7#
- 1...Bc5+
- 2.Re3#
- 1...Ke5
- 2.Rxd3#
- 1...d4
- 2.Rg5#
- 1...c5
- 2.Rg6#
- 1...Kc5!
- threat
- 1.Qf2?
- threat
- 2.Rg2#
- 2.Rxd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Ke5
- 2.Rg2#
- 2.Rxd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Qf6#
- 1...Kc7
- 2.Rg7#
- 1...d4
- 2.Rg5#
- 1...c5
- 2.Rg6#
- 1...Bc4
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bb1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bf1
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bc2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Be2
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bb5
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Ba6
- 2.Rg2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 1...Bd2
- 2.Rg6#
- 1...Bc3
- 2.Rg6#
- 1...e3!
- threat
- 1.Qf6+?
- 1...Kc7
- 2.Rg7#
- 2.Qd8#
- 1...Kc5!
- 1...Kc7
- 1.Qf7?
- threat
- 2.Qe7#
- 1...Bc5+
- 2.Re3#
- 1...Ke5
- 2.Rxd3#
- 2.Qf6#
- 1...d4
- 2.Rg5#
- 1...c5
- 2.Rg6#
- 1...Kc5!
- threat
- 1.Sd7?
- Keys
- 1.Qxe4!
- threat
- 2.Qe7#
- 1...Bc5+
- 2.Re3#
- 1...Kc5
- 2.Qxb4#
- 1...Kc7
- 2.Rg7#
- 1...Bxe4
- 2.Rc3#
- 1...dxe4
- 2.Rg5#
- 1...d4
- 2.Rg5#
- 1...c5
- 2.Rg6#
- threat
- 1.Qxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- K(f);S_FLIGHT::B(B)+R(C),DCHECK
- B(a);OGATE::B(B)+R(C)
- B(b);CHECK,SBLOCK::B(B)+R(C)
- P(e);SBLOCK::B(B)+R(C),DCHECK
- Tries
- Try
- S(F);
- Threat
- DUALS(9)
- Vars
- B(b);CHECK::B(B)+R(C)
- P(e);::B(B)+R(C),DCHECK
- B(b);::B(B)+R(C),DCHECK
- Refutation
- K(f);S_FLIGHT
- Try
- R(E);
- Threat
- DUALS(10)
- Vars
- B(b);CHECK::B(B)+R(C)
- K(f);S_FLIGHT::QAR1(D)
- B(a);OGATE,XR(E)::B(B)+R(C)
- P(e);::B(B)+R(C),DCHECK
- B(b);::B(B)+R(C),DCHECK
- Refutation
- P(e);XR(E)
- Try
- Q(D);CHECK
- Vars
- K(f);S_FLIGHT::B(B)+R(C),DCHECK
- Refutation
- K(f);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(f);S_FLIGHT::B(B)+R(C),XB(a)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- B(b);CHECK,SBLOCK::B(B)+R(C)
- K(f);S_FLIGHT::B(B)+R(C),XB(a)
- P(d);::B(B)+R(C)
- P(e);SBLOCK::B(B)+R(C),DCHECK
- Refutation
- K(f);S_FLIGHT
- Try
- Q(D);
- Threat
- DUALS(8)
- Vars
- K(f);S_FLIGHT::B(B)+R(C),DCHECK
- P(d);::B(B)+R(C)
- P(e);::B(B)+R(C),DCHECK
- B(b);::B(B)+R(C),DCHECK
- Refutation
- P(c);
- Try
- Q(D);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- B(b);CHECK,SBLOCK::B(B)+R(C)
- P(d);::B(B)+R(C)
- P(e);SBLOCK::B(B)+R(C),DCHECK
- Refutation
- K(f);S_FLIGHT
- Try
- Actual
- Q(D);XP(c)
- Threat
- QAB1(D)
- Vars
- B(b);CHECK,SBLOCK::B(B)+R(C)
- K(f);S_FLIGHT::QAB1(D),XB(b)
- K(f);S_FLIGHT::B(B)+R(C),DCHECK
- B(a);OGATE,XQ(D)::B(B)+R(C)
- P(d);XQ(D)::B(B)+R(C)
- P(d);::B(B)+R(C)
- P(e);SBLOCK::B(B)+R(C),DCHECK
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