MESON Chess Problem Database
Problem Display
PID: 115158 (8/4p2b/1p2P1N1/1p6/3k4/1PR4Q/3r1PBK/3n4 w - - 0 1)
Bertrand, Ernest
La Presse, 1904
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Rxf2
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 1...Bxg6
- 2.Qh8#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...b4
- 2.Rc4#
- 1...Ra2
- Tries
- 1.Kh1?
- 1...Rxf2
- 2.Qd3#
- 1...Bxg6
- 2.Qh8#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Sxf2+!
- 1...Rxf2
- 1.Bh1?
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Rxf2+!
- 1...Bxg6
- 1.Bc6?
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Rxf2+!
- 1...Bxg6
- 1.Bb7?
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Rxf2+!
- 1...Bxg6
- 1.Ba8?
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Rxf2+!
- 1...Bxg6
- 1.Qg3?
- threat
- 2.Qe5#
- 1...Sxc3
- 2.Qe3#
- 1...Re2
- 2.Qd3#
- 1...Bxg6!
- threat
- 1.b4?
- 1...Rxf2
- 2.Qd3#
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...Sxc3!
- 1...Rxf2
- 1.Kh1?
- Keys
- 1.Kg1!
- 1...Rxf2
- 2.Qd3#
- 1...Bxg6
- 2.Qh8#
- 1...Sxf2
- 2.Qe3#
- 1...Sxc3
- 2.Qe3#
- 1...Rd3
- 2.Qxd3#
- 1...Se3
- 2.Qxe3#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Bg8
- 2.Qh8#
- 1...Sb2
- 2.Qe3#
- 1...b4
- 2.Rc4#
- 1...Rxf2
- 1.Kg1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR1(F)
- R(b);N_GUARD,P_PINB(B),XP(A)::QAR1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- B(g);OGATE,XS(H)::QAB(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- P(d);N_GUARD::R1(E)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(b);N_GUARD,XP(A)::QAR1(F)
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
- Refutation
- S(a);CHECK,XP(A)
- Try
- B(B);P_SPINP(A)
- Vars
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD,N_PINP(A)::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
- Refutation
- R(b);CHECK,XP(A)
- Try
- B(B);P_SPINP(A)
- Vars
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD,N_PINP(A)::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
- Refutation
- R(b);CHECK,XP(A)
- Try
- B(B);P_SPINP(A)
- Vars
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD,N_PINP(A)::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
- Refutation
- R(b);CHECK,XP(A)
- Try
- B(B);P_SPINP(A)
- Vars
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD,N_PINP(A)::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
- Refutation
- R(b);CHECK,XP(A)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD::QAR1(F)
- Refutation
- B(g);XS(H)
- Try
- P(D);
- Vars
- R(b);N_GUARD,P_PINB(B),XP(A)::QAR1(F)
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- Refutation
- S(a);XR(E)
- Try
- Actual
- K(C);S_FLIGHT
- Vars
- R(b);N_GUARD,XP(A)::QAR1(F)
- B(g);OGATE,XS(H)::QAB(F)
- S(a);N_GUARD,XP(A)::QAB1(F)
- S(a);N_GUARD,XR(E)::QAB1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(b);N_GUARD::QAR1(F)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::QAB1(F)
- P(d);N_GUARD::R1(E)
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