MESON Chess Problem Database
Problem Display
PID: 166804 (3bR3/3pnK2/8/1N2k3/1r1nB1P1/r1pQ4/6N1/8 w - - 0 1)
Kunzelmann, Jens
2nd Prize, SZ-25 JT, 1982-1983
#2
7 + 8
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qxd4#
- 1...Rb2
- 2.Qxd4#
- 1...Rb3
- 2.Qxd4#
- 1...Sc2
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sb3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Sxb5
- 2.Qd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Rb1
- Tries
- 1.Bf3?
- threat
- 2.Qe4#
- 2.Qe3#
- 1...Sxf3
- 2.Qf5#
- 1...Sxb5
- 2.Qd5#
- 1...Sc2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Se2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf5
- 2.Qxf5#
- 2.Qd5#
- 1...Sc6
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...c2
- 2.Qe4#
- 1...d5
- 2.Qe3#
- 1...Rxb5!
- threat
- 1.Bc6?
- threat
- 2.Qe4#
- 2.Qe3#
- 2.Qg3#
- 1...Rxb5
- 2.Qg3#
- 1...Sxb5
- 2.Qd5#
- 1...Sxc6
- 2.Qf5#
- 1...Sc2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Se2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf5
- 2.Qxf5#
- 2.Qd5#
- 1...Se6
- 2.Qd6#
- 1...c2
- 2.Qe4#
- 1...d5
- 2.Qe3#
- 1...dxc6!
- threat
- 1.Ba8?
- threat
- 2.Qe4#
- 2.Qe3#
- 2.Qg3#
- 1...Rxb5
- 2.Qg3#
- 1...Sxb5
- 2.Qd5#
- 1...Sc2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Se2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf5
- 2.Qxf5#
- 2.Qd5#
- 1...Sc6
- 2.Qf5#
- 1...Se6
- 2.Qd6#
- 1...c2
- 2.Qe4#
- 1...d5
- 2.Qe3#
- 1...Rxa8!
- threat
- 1.Rxe7+?
- 1...Se6
- 2.Qd5#
- 1...Bxe7!
- 1...Se6
- 1.Bf3?
- Keys
- 1.Bb7!
- threat
- 2.Qe4#
- 2.Qe3#
- 2.Qg3#
- 1...Rxb5
- 2.Qg3#
- 1...Sxb5
- 2.Qd5#
- 1...Sc2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Se2
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf3
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...Sf5
- 2.Qxf5#
- 2.Qd5#
- 1...Sc6
- 2.Qf5#
- 1...Se6
- 2.Qd6#
- 1...c2
- 2.Qe4#
- 1...d5
- 2.Qe3#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::QAB1(B),XS(d)
- S(d);OGATE::QAR1(B)
- S(d);OGATE,XS(E)::QAR1(B)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,XB(C)::QAR1(B)
- S(d);OGATE,XS(E)::QAR1(B)
- S(d);N_SPINS(g),OGATE::QAB1(B)
- P(b);::QAR1(B)
- P(f);::QAR2(B)
- Refutation
- R(c);XS(E)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(c);XS(E)::QAB(B)
- S(d);OGATE,XS(E)::QAR1(B)
- S(d);N_GUARD,XB(C)::QAR1(B)
- S(d);N_SPINS(g),OGATE::QAB1(B)
- P(b);::QAR1(B)
- P(f);::QAR2(B)
- Refutation
- P(f);XB(C)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(c);XS(E)::QAB(B)
- S(d);OGATE,XS(E)::QAR1(B)
- S(d);N_GUARD::QAR1(B)
- S(d);N_SPINS(g),OGATE::QAB1(B)
- P(b);::QAR1(B)
- P(f);::QAR2(B)
- Refutation
- R(a);XB(C)
- Try
- R(G);CHECK,XS(g)
- Vars
- S(d);OGATE,P_SPINS(d)::QAR1(B)
- Refutation
- B(h);XR(G)
- Try
- Actual
- B(C);
- Threat
- DUALS(3)
- Vars
- R(c);XS(E)::QAB(B)
- S(d);OGATE,XS(E)::QAR1(B)
- S(d);N_GUARD::QAR1(B)
- S(d);N_SPINS(g),OGATE::QAB1(B)
- P(b);::QAR1(B)
- P(f);::QAR2(B)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).