MESON Chess Problem Database
Problem Display
PID: 157925 (3b2K1/3p4/3P4/1Bp1B3/1nN1k1Pp/1P1RP2P/Q6R/4n2N w - - 0 1)
Andersson, Sven Tore
Die Schwalbe, 1954
#2
13 + 7
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sf3
- 2.Sf2#
- 1...Sbxd3
- 2.Qa8#
- 1...Kxd3
- Tries
- 1.Sg3+?
- 1...Kxd3
- 2.Rd2#
- 2.Qd2#
- 2.Qe2#
- 1...Kf3
- 2.Sd2#
- 2.Rf2#
- 2.Qe2#
- 2.Qf2#
- 1...hxg3!
- 1...Kxd3
- 1.Bc3?
- threat
- 2.Sd2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- 1...Kxd3!
- threat
- 1.Bf4?
- threat
- 2.Sd2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- 1...Kxd3!
- threat
- 1.Bf6?
- threat
- 2.Sd2#
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- 1...Bxf6!
- threat
- 1.Bg7?
- threat
- 2.Sd2#
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- 1...Bf6!
- threat
- 1.Bh8?
- threat
- 2.Sd2#
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- 1...Bf6!
- threat
- 1.Rd4+?
- 1...Kf3
- 2.Rf2#
- 2.Rf4#
- 2.Qe2#
- 2.Qf2#
- 1...cxd4!
- 1...Kf3
- 1.Qb2?
- threat
- 2.Sd2#
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sf3
- 2.Sf2#
- 1...Sbxd3!
- threat
- 1.Qe2?
- threat
- 2.Sf2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3!
- threat
- 1.Qa8+?
- 1...Kxd3
- 2.Rd2#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6!
- 1...Kxd3
- 1.Sg3+?
- Keys
- 1.Ba1!
- threat
- 2.Sd2#
- 1...Kxd3
- 2.Sf2#
- 1...Kf3
- 2.Sd2#
- 1...Sexd3
- 2.Qg2#
- 1...Sbxd3
- 2.Qa8#
- 1...Sf3
- 2.Sf2#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- Tries
- Try
- S(A);CHECK
- Refutation
- P(d);XS(A)
- Try
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- B(g);XB(K)
- Try
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- B(g);
- Try
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- B(g);
- Try
- R(E);CHECK
- Refutation
- P(e);XR(E)
- Try
- Q(B);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
- Refutation
- S(b);XR(E)
- Try
- Q(B);
- Threat
- S(A)
- Vars
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- Refutation
- S(b);XR(E)
- Try
- Q(B);CHECK
- Vars
- K(c);S_FLIGHT,XR(E)::R1(C)
- S(b);N_GUARD,P_SPINS(b)::QAB1(B),XS(b)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- B(K);
- Threat
- S(H)
- Vars
- K(c);S_FLIGHT,XR(E)::S(A)
- K(c);S_FLIGHT::S(H)
- S(a);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(b);N_GUARD,SBLOCK,XR(E)::QAB(B)
- S(a);SBLOCK::S(A)
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