MESON Chess Problem Database
Problem Display
PID: 135670 (8/8/1n6/b1B1p3/4k1K1/2r1N1P1/2PR4/1Q3N2 w - - 0 1)
Ancin, Andrej
2nd Prize, Praca, 1950
#2
8 + 5
| 14649 | Andrej Ancin - Chess Compositions | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Qxc2#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...Rxc2
- Tries
- 1.Sc4?
- threat
- 2.Sd6#
- 1...Rxg3+
- 2.Sxg3#
- 1...Rxc4
- 2.Qe1#
- 2.c3#
- 1...Sxc4
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...Rd3!
- threat
- 1.Sf5?
- threat
- 2.Sd6#
- 1...Rxg3+
- 2.S1xg3#
- 2.S5xg3#
- 1...Sc4
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...Rd3!
- threat
- 1.Rd1?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rf2?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rg2?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rh2?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rd6?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rd7?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Rd8?
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- 1...Rxe3!
- threat
- 1.Qxb6?
- threat
- 2.Qc6#
- 2.Qg6#
- 2.Qb7#
- 1...Rxc5
- 2.Qg6#
- 1...Rb3
- 2.Qc6#
- 2.Qg6#
- 1...Rd3
- 2.Qg6#
- 2.cxd3#
- 1...Bxb6!
- threat
- 1.Sc4?
- Keys
- 1.Re2!
- threat
- 2.Sd2#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxe3
- 2.c4#
- 1...Rxc5
- 2.c3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Sc4
- 2.Qb7#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- R(a);CHECK,XP(F)::S(B),XR(a)
- S(e);OGATE,XS(E)::QAB(A)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);
- Try
- S(E);
- Threat
- S(E)
- Vars
- S(e);OGATE::QAB(A)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XB(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XB(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XB(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
- Refutation
- R(a);XS(E)
- Try
- Q(A);XS(e)
- Threat
- DUALS(3)
- Vars
- R(a);XB(H)::QAB(A)
- Refutation
- B(c);XQ(A)
- Try
- Actual
- R(D);
- Threat
- S(B)
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,P_SPINR(a),XS(E)::QAB(A)+P(C)
- R(a);OGATE,XB(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- S(e);OGATE::QAB(A)
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