MESON Chess Problem Database
Problem Display
PID: 50708 (4n3/1R1pN3/3k1pN1/2p2P2/KP3q2/Q2B2B1/P2P2n1/2r4b w - - 0 1)
Briais, Alexis-Adrien
Phillips, PH
Chess Amateur (The), 1907
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Bxf4#
- 1...Se3
- 2.Bxf4#
- 1...Sh4
- 2.Bxf4#
- 1...Sc7
- 2.Rb6#
- 1...c4
- 2.b5#
- 1...Se1
- Tries
- 1.Bc4?
- threat
- 2.Qd3#
- 2.bxc5#
- 1...Qxg3
- 2.bxc5#
- 1...cxb4
- 2.Qxb4#
- 1...Rc3
- 2.bxc5#
- 1...Se1
- 2.Bxf4#
- 2.bxc5#
- 1...Se3
- 2.Bxf4#
- 2.bxc5#
- 1...Sh4
- 2.Bxf4#
- 2.bxc5#
- 1...Sc7
- 2.Rb6#
- 2.bxc5#
- 1...Rxc4!
- threat
- 1.Be4?
- threat
- 2.Sc8#
- 2.Qd3#
- 1...Qxg3
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rc4
- 2.Sc8#
- 1...Se1
- 2.Sc8#
- 2.Bxf4#
- 1...Se3
- 2.Sc8#
- 2.Bxf4#
- 1...Sc7
- 2.Sc8#
- 2.Rb6#
- 1...c4
- 2.Sc8#
- 2.b5#
- 1...cxb4!
- threat
- 1.Bb5?
- threat
- 2.Rxd7#
- 2.Qd3#
- 1...Qxg3
- 2.Rxd7#
- 1...Rc3
- 2.Rxd7#
- 1...Rc4
- 2.Rxd7#
- 1...Se1
- 2.Bxf4#
- 2.Rxd7#
- 1...Se3
- 2.Bxf4#
- 2.Rxd7#
- 1...Sh4
- 2.Bxf4#
- 2.Rxd7#
- 1...Sc7
- 2.Rb6#
- 1...c4
- 2.Rxd7#
- 1...cxb4!
- threat
- 1.Qxc1?
- threat
- 2.Qxc5#
- 1...cxb4
- 2.Rb6#
- 1...c4!
- threat
- 1.Bc4?
- Keys
- 1.Bc2!
- threat
- 2.Qd3#
- 1...Qxg3
- 2.bxc5#
- 1...cxb4
- 2.Qxb4#
- 1...Se1
- 2.Bxf4#
- 1...Se3
- 2.Bxf4#
- 1...Sh4
- 2.Bxf4#
- 1...Sc7
- 2.Rb6#
- 1...c4
- 2.b5#
- threat
- 1.Bc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::B(E),XQ(d)
- S(i);SBLOCK::R(J)
- P(e);N_PINP(G)::QAB(C)+P(G)
- Tries
- Try
- B(D);N_SPINP(G)
- Threat
- DUALS(2)
- Vars
- Q(d);N_SPINQ(d),XB(E)::P(G),XP(e)
- P(e);OGATE,P_SPINP(e),XP(G)::QAB(C),XP(e)
- R(a);::P(G),XP(e)
- Refutation
- R(a);P_PINP(G),XB(D)
- Try
- B(D);N_SPINP(G)
- Threat
- DUALS(2)
- Vars
- Q(d);N_SPINQ(d),XB(E)::S(K)
- R(a);::S(K)
- R(a);P_PINP(G)::S(K)
- Refutation
- P(e);P_SPINP(e),XP(G)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(d);N_PINP(G),N_SPINQ(d),XB(E)::R1(J),XP(h)
- R(a);::R1(J),XP(h)
- S(i);SBLOCK::R(J)
- P(e);N_PINP(G)::R1(J),XP(h)
- Refutation
- P(e);P_SPINP(e),XP(G)
- Try
- Q(C);XR(a)
- Threat
- QAB1(C),XP(e)
- Vars
- P(e);XP(G)::R(J)
- Refutation
- P(e);N_PINP(G)
- Try
- Actual
- B(D);
- Threat
- QAR(C)
- Vars
- Q(d);N_PINP(G),N_SPINQ(d),XB(E)::P(G),XP(e)
- P(e);OGATE,P_SPINP(e),XP(G)::QAB(C),XP(e)
- S(c);N_GUARD::B(E),XQ(d)
- S(i);SBLOCK::R(J)
- P(e);N_PINP(G)::QAB(C)+P(G)
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