MESON Chess Problem Database
Problem Display
PID: 265222 (2B5/5p2/2pQ1P2/K4p1R/p3kp2/7q/2PBrnb1/3N2N1 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
Die Schwalbe, 1972
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.Sc3#
- 1...Qh1
- 2.Sc3#
- 2.Bxf5#
- 1...Qh2
- 2.Sc3#
- 2.Bxf5#
- 1...Qa3
- 2.Bxf5#
- 1...Qb3
- 2.Bxf5#
- 1...Qc3+
- 2.Sxc3#
- 1...Qd3
- 2.Bxf5#
- 1...Qe3
- 2.Bxf5#
- 1...Qf3
- 2.Bxf5#
- 1...Qg3
- 2.Bxf5#
- 1...Qh4
- 2.Sc3#
- 2.Bxf5#
- 1...Qxh5
- 2.Sc3#
- 1...Re1
- 2.Sxf2#
- 1...Re3
- 2.Sxf2#
- 1...Bf3
- 2.Sc3#
- 1...Sd3
- 2.Sc3#
- 1...Sg4
- 2.Bxf5#
- 1...f3
- 2.Sc3#
- 1...c5
- 2.Bb7#
- 1...Qg4
- Tries
- 1.Bc3?
- threat
- 2.Qe5#
- 2.Qd4#
- 2.Qxc6#
- 1...Rxc2
- 2.Qd4#
- 1...Sxd1
- 2.Qe5#
- 2.Qd4#
- 1...Qd3
- 2.Bxf5#
- 2.Qe5#
- 1...Qe3
- 2.Bxf5#
- 2.Qe5#
- 2.Qxc6#
- 1...Rd2
- 2.Qe5#
- 1...Sd3
- 2.Qd4#
- 2.Qxc6#
- 1...Sg4
- 2.Bxf5#
- 2.Qd4#
- 2.Qxc6#
- 1...f3
- 2.Qe5#
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 2.Qe5#
- 2.Qc6#
- 1...Qxc3+!
- threat
- 1.Be3?
- threat
- 2.Qd4#
- 1...Qxe3
- 2.Bxf5#
- 1...Rxe3
- 2.Sxf2#
- 1...fxe3
- 2.Sc3#
- 1...c5
- 2.Bb7#
- 1...Rd2!
- threat
- 1.Bxf4?
- threat
- 2.Qe5#
- 1...Qc3+
- 2.Sxc3#
- 1...Sd3
- 2.Sc3#
- 1...Sg4
- 2.Bxf5#
- 1...Rxc2!
- threat
- 1.Bd7?
- threat
- 2.Bxc6#
- 1...Qc3+
- 2.Sxc3#
- 1...Qb3
- 2.Bxf5#
- 1...Qd3
- 2.Bxf5#
- 1...c5
- 2.Bc6#
- 1...Rxd2!
- threat
- 1.Rxh3?
- threat
- 2.Sc3#
- 1...Re3
- 2.Sxf2#
- 1...Sxd1!
- threat
- 1.Rxf5?
- threat
- 2.Rxf4#
- 2.Re5#
- 2.Qb4#
- 2.Qxf4#
- 2.Qe5#
- 1...Qc3+
- 2.Sxc3#
- 1...Rxd2
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Qg4
- 2.Sc3#
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Qh2
- 2.Sc3#
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Qa3
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Qb3
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Qd3
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Qe3
- 2.Re5#
- 2.Qe5#
- 1...Qf3
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Qg3
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Qh4
- 2.Sc3#
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Qh5
- 2.Sc3#
- 2.Qb4#
- 2.Qxf4#
- 2.Qe5#
- 1...Qh6
- 2.Sc3#
- 2.Re5#
- 2.Qb4#
- 2.Qe5#
- 1...Sd3
- 2.Sc3#
- 1...Sg4
- 2.Rxf4#
- 2.Qb4#
- 2.Qxf4#
- 1...f3
- 2.Sc3#
- 2.Rf4#
- 2.Re5#
- 2.Qb4#
- 2.Qf4#
- 2.Qe5#
- 1...c5
- 2.Rxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 2.Qd5#
- 1...Qxf5+!
- threat
- 1.c3?
- threat
- 2.Qd4#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qd3
- 2.Bxf5#
- 1...Qe3
- 2.Bxf5#
- 1...c5
- 2.Bb7#
- 1...Rxd2!
- threat
- 1.Bc3?
- Keys
- 1.Sf3!
- threat
- 2.Sg5#
- 2.Qxc6#
- 1...Kxf3
- 2.Qxf4#
- 1...Qxf3
- 2.Bxf5#
- 1...Qxh5
- 2.Qxc6#
- 1...Rxd2
- 2.Sxd2#
- 2.Sg5#
- 1...Bxf3
- 2.Sc3#
- 1...Qg4
- 2.Qxc6#
- 1...Qg3
- 2.Qxc6#
- 1...Qh4
- 2.Qxc6#
- 1...c5
- 2.Sg5#
- 2.Bb7#
- 2.Qc6#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(d);N_GUARD::S(A)
- Q(d);N_GUARD::B(I),XP(h)
- Q(d);CHECK,N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD,XR(F)::S(A)
- R(a);N_GUARD::S(A),XS(b)
- B(c);S_CUTQ(d)::S(A)
- S(b);S_CUTQ(d)::S(A)
- S(b);S_CUTQ(d)::B(I),XP(h)
- P(g);S_CUTQ(d)::S(A)
- P(i);OGATEB::B(I)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- R(a);XP(C)::QAR1(G)
- R(a);::QAR1(G)
- Refutation
- Q(d);CHECK,XB(D)
- Try
- B(D);
- Threat
- QAR1(G)
- Vars
- Q(d);N_GUARD,XB(D)::B(I),XP(h)
- R(a);N_GUARD,SBLOCK,XB(D)::S(A),XS(b)
- P(g);SBLOCK,XB(D)::S(A)
- P(i);OGATEB::B(I)
- Refutation
- R(a);
- Try
- B(D);XP(g)
- Threat
- QAR1(G)
- Vars
- Q(d);CHECK,N_GUARD::S(A),XQ(d)
- S(b);S_CUTQ(d)::S(A)
- S(b);S_CUTQ(d)::B(I),XP(h)
- Refutation
- R(a);XP(C)
- Try
- B(I);
- Threat
- B(I),XP(i)
- Vars
- Q(d);CHECK,N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD::B(I),XP(h)
- P(i);::B(I)
- Refutation
- R(a);XB(D)
- Try
- R(F);XQ(d)
- Threat
- S(A)
- Vars
- R(a);N_GUARD::S(A),XS(b)
- Refutation
- S(b);XS(A)
- Try
- R(F);XP(h)
- Threat
- DUALS(5)
- Vars
- Q(d);CHECK,N_GUARD::S(A),XQ(d)
- S(b);S_CUTQ(d)::S(A)
- Refutation
- Q(d);CHECK,XR(F)
- Try
- P(C);
- Threat
- QAR1(G)
- Vars
- Q(d);CHECK,XP(C)::S(A),XQ(d)
- Q(d);N_GUARD::B(I),XP(h)
- P(i);OGATEB::B(I)
- Refutation
- R(a);XB(D)
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- K(f);N_GUARD,S_FLIGHT,XS(B)::QAR1(G),XP(g)
- Q(d);N_GUARD,SBLOCK,XS(B)::B(I),XP(h)
- Q(d);XR(F)::QAB(G),XP(i)
- B(c);SBLOCK,XS(B)::S(A)
- Q(d);::QAB(G),XP(i)
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