MESON Chess Problem Database
Problem Display
PID: 74712 (5Bb1/4R1N1/K1R2nr1/1P4p1/3p1kp1/p2P2p1/2Q5/1rbN3B w - - 0 1)
Segers, Marcel
2nd Prize, Europe Echecs, 1989-1990
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qxc1#
- 1...Rb4
- 2.Qxc1#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 1...Bb2
- 2.Qd2#
- 1...Bd2
- 2.Qxd2#
- 1...Se4
- 2.Rxe4#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...g2
- 2.Qf2#
- 1...Rb3
- Tries
- 1.Rb6?
- threat
- 2.Qc7#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 1...g2
- 2.Qf2#
- 1...Se4
- 2.Rxe4#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Bc4!
- threat
- 1.Re2?
- threat
- 2.Bd6#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 1...Se4
- 2.Rxe4#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...g2!
- threat
- 1.Re3?
- threat
- 2.Bd6#
- 1...Rxg7
- 2.Rxf6#
- 1...Se4
- 2.Rxe4#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Rxb5!
- threat
- 1.Ree6?
- threat
- 2.Bd6#
- 1...Rxb5
- 2.Qxc1#
- 1...g2
- 2.Qf2#
- 1...Se4
- 2.Rxe4#
- 1...Sd7
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Rxg7!
- threat
- 1.Re8?
- threat
- 2.Bd6#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 1...g2
- 2.Qf2#
- 1...Se4
- 2.Rxe4#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Sxe8!
- threat
- 1.Qc5?
- threat
- 2.Qd6#
- 2.Qe5#
- 2.Qf5#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 2.Qe5#
- 1...Bd5
- 2.Qd6#
- 1...Be6
- 2.Sxe6#
- 2.Qd6#
- 1...Se4
- 2.Sh5#
- 2.Rxe4#
- 2.Qe5#
- 2.Qf5#
- 1...Sd5
- 2.Re4#
- 2.Qxd4#
- 1...Sh5
- 2.Sxh5#
- 2.Re4#
- 2.Qxd4#
- 2.Qe5#
- 2.Qf5#
- 1...Sd7
- 2.Sh5#
- 2.Re4#
- 2.Qxd4#
- 2.Qf5#
- 1...Sh7
- 2.Sh5#
- 2.Re4#
- 2.Qxd4#
- 2.Qe5#
- 2.Qf5#
- 1...Se8
- 2.Sh5#
- 2.Re4#
- 2.Qxd4#
- 2.Qe5#
- 2.Qf5#
- 1...g2!
- threat
- 1.Rb6?
- Keys
- 1.Re1!
- threat
- 2.Bd6#
- 1...Rxb5
- 2.Qxc1#
- 1...Rxg7
- 2.Rxf6#
- 1...Se4
- 2.Rxe4#
- 1...g2
- 2.Qf2#
- 1...Sd5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...Sd7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...Se8
- 2.Re4#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD::QAB(C),XB(b)
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- B(b);N_GUARD::QAB(C)
- B(b);N_GUARD::QAB(C),XB(b)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H)
- P(d);N_GUARD::QAR2(C)
- Tries
- Try
- R(G);
- Threat
- QAB(C)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- P(d);N_GUARD::QAR2(C)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H)
- Refutation
- B(k);P_PINP(E)
- Try
- R(H);
- Threat
- B(J)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H)
- Refutation
- P(d);
- Try
- R(H);
- Threat
- B(J)
- Vars
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H)
- Refutation
- R(a);XP(E)
- Try
- R(H);
- Threat
- B(J)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- P(d);N_GUARD::QAR2(C)
- S(i);N_GUARD::R1(H),XS(i)
- S(i);N_GUARD::R1(H)
- Refutation
- R(j);XS(I)
- Try
- R(H);
- Threat
- B(J)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- P(d);N_GUARD::QAR2(C)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H)
- Refutation
- S(i);P_PINR(G),XR(H)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- B(k);::QAB(C)
- Refutation
- P(d);
- Try
- Actual
- R(H);
- Threat
- B(J)
- Vars
- R(a);N_GUARD,XP(E)::QAB(C),XB(b)
- R(j);N_GUARD,XS(I)::R(G),XS(i)
- S(i);N_GUARD,P_PINR(G)::R1(H),XS(i)
- P(d);N_GUARD::QAR2(C)
- S(i);N_GUARD,P_PINR(G)::R1(H)
Developed and maintained by Brian Stephenson.
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