MESON Chess Problem Database
Problem Display
PID: 238303 (4B3/2p4N/R1NPpp1q/1p1k1Pp1/4p3/BP6/4RPpQ/K4n2 w - - 0 1)
Segers, Marcel
Die Schwalbe, 1989
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxh2
- 2.Sxf6#
- 1...Qh3
- 2.Sxf6#
- 1...Qh4
- 2.Sxf6#
- 1...Qh5
- 2.Sxf6#
- 1...Sd2
- 2.Rxd2#
- 1...Sxh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...e3
- 2.Qxg2#
- 1...b4
- 2.Ra5#
- 1...exf5
- 2.Bf7#
- 1...e5
- 2.Bf7#
- 1...cxd6
- 2.Qxd6#
- 1...Qxh2
- Tries
- 1.Bd7?
- threat
- 2.Bxe6#
- 1...e3
- 2.Qxg2#
- 1...b4
- 2.Ra5#
- 1...e5
- 2.Be6#
- 1...exf5!
- threat
- 1.Bf7?
- threat
- 2.Bxe6#
- 1...e3
- 2.Qxg2#
- 1...b4!
- threat
- 1.Ra5?
- threat
- 2.Rxb5#
- 1...e3
- 2.Qxg2#
- 1...exf5!
- threat
- 1.Rb6?
- threat
- 2.Rxb5#
- 1...exf5
- 2.Bf7#
- 1...e3
- 2.Qxg2#
- 1...b4
- 2.Rb5#
- 1...cxb6!
- threat
- 1.Qf4?
- threat
- 2.Qxe4#
- 1...exf5
- 2.Bf7#
- 2.Qxf5#
- 1...b4
- 2.Ra5#
- 1...Qh4
- 2.Sxf6#
- 1...Sd2
- 2.Rxd2#
- 2.Qxd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 2.Qd2#
- 1...e3
- 2.Se7#
- 2.Qf3#
- 2.Qd4#
- 1...gxf4!
- threat
- 1.Qxg2?
- threat
- 2.Qxe4#
- 1...exf5
- 2.Bf7#
- 1...Qh1
- 2.Sxf6#
- 1...Qh4
- 2.Sxf6#
- 1...Sd2
- 2.Rxd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...b4!
- threat
- 1.Qxh6?
- threat
- 2.Sxf6#
- 1...exf5
- 2.Bf7#
- 1...b4!
- threat
- 1.dxc7?
- threat
- 2.Qd6#
- 1...Qxh2
- 2.Sxf6#
- 1...Sxh2
- 2.Rd2#
- 1...e3
- 2.Qxg2#
- 1...b4
- 2.Ra5#
- 1...Sg3
- 2.Rd2#
- 1...e5
- 2.Bf7#
- 1...Qf8!
- threat
- 1.Bd7?
- Keys
- 1.Rc2!
- threat
- 2.Rc5#
- 1...Qxh2
- 2.Sxf6#
- 1...Sxh2
- 2.Rd2#
- 1...exf5
- 2.Bf7#
- 1...cxd6
- 2.Qxd6#
- 1...e3
- 2.Qxg2#
- 1...Sg3
- 2.Rd2#
- 1...b4
- 2.Ra5#
- 1...e5
- 2.Bf7#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(i);N_GUARD,XQ(D)::S(K),XP(h)
- Q(i);N_GUARD::S(K),XP(h)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD,XQ(D)::R(B)
- S(a);N_GUARD::R(B)
- P(c);OGATEB::QAB(D),XP(b)
- P(d);OGATEB::R(H)
- P(g);OGATEB,XP(G)::B(L)
- P(g);OGATEB::B(L)
- P(j);OGATE,XP(J)::QAR1(D),XP(j)
- Tries
- Try
- B(L);
- Threat
- B(L),XP(g)
- Vars
- P(c);OGATEB::QAB(D),XP(b)
- P(d);OGATEB::R(H)
- P(g);::B(L)
- Refutation
- P(g);XP(G)
- Try
- B(L);P_PINP(g)
- Threat
- B(L),XP(g)
- Vars
- P(c);OGATEB::QAB(D),XP(b)
- Refutation
- P(d);
- Try
- R(H);P_PINP(d)
- Threat
- R(H),XP(d)
- Vars
- P(c);OGATEB::QAB(D),XP(b)
- Refutation
- P(g);XP(G)
- Try
- R(H);
- Threat
- R(H),XP(d)
- Vars
- P(g);OGATEB,XP(G)::B(L)
- P(c);OGATEB::QAB(D),XP(b)
- P(d);::R(H)
- Refutation
- P(j);XR(H)
- Try
- Q(D);
- Threat
- QAB1(D),XP(c)
- Vars
- P(d);OGATEB::R(H)
- Q(i);N_GUARD::S(K),XP(h)
- S(a);N_GUARD::R(B)
- Refutation
- P(f);XQ(D)
- Try
- Q(D);P_PINP(c),XP(b)
- Threat
- QAB1(D),XP(c)
- Vars
- P(g);OGATEB,XP(G)::B(L)
- Q(i);N_GUARD::S(K),XP(h)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- Refutation
- P(d);
- Try
- Q(D);XQ(i)
- Threat
- S(K),XP(h)
- Vars
- P(g);OGATEB,XP(G)::B(L)
- Refutation
- P(d);
- Try
- P(J);XP(j)
- Threat
- QAR1(D)
- Vars
- Q(i);N_GUARD,XQ(D)::S(K),XP(h)
- S(a);N_GUARD,XQ(D)::R(B)
- P(c);OGATEB::QAB(D),XP(b)
- P(d);OGATEB::R(H)
- S(a);N_GUARD::R(B)
- P(g);OGATEB::B(L)
- Refutation
- Q(i);
- Try
- Actual
- R(B);
- Threat
- R1(B)
- Vars
- Q(i);N_GUARD,XQ(D)::S(K),XP(h)
- S(a);N_GUARD,XQ(D)::R(B)
- P(g);OGATEB,XP(G)::B(L)
- P(j);OGATE,XP(J)::QAR1(D),XP(j)
- P(c);OGATEB::QAB(D),XP(b)
- S(a);N_GUARD::R(B)
- P(d);OGATEB::R(H)
- P(g);OGATEB::B(L)
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