MESON Chess Problem Database
Problem Display
PID: 60814 (B1n3rB/n1RPpN2/K3Qq1r/p1P2P2/3k4/1Rp1pP2/1N2P3/8 w - - 0 1)
Rukhlis, Efim Naumovich
Zagoruyko, Leonid Ivanovich
1/2 Place, 01. WCCT, 1967-1970
#2
13 + 10
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bxe5#
- 1...Sc6
- 2.Qc4#
- 1...Sb6
- 2.Qe4#
- 1...Sd6
- 2.Qd5#
- 1...cxb2
- 2.Rd3#
- 1...c2
- 2.Rd3#
- 1...a4
- 2.Rb4#
- 1...Qe5
- Tries
- 1.Kxa5?
- threat
- 2.Rb4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...cxb2
- 2.Rd3#
- 2.Qd5#
- 2.Qe4#
- 1...Qe5
- 2.Bxe5#
- 2.Rb4#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe5#
- 1...Rh4
- 2.Rb4#
- 2.Qc4#
- 2.Qd5#
- 1...Rg4
- 2.Rb4#
- 2.Qc4#
- 2.Qd5#
- 1...Sb6
- 2.Qe4#
- 1...Sd6
- 2.Qd5#
- 1...c2
- 2.Rd3#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe3#
- 2.Qe4#
- 1...Sc6+!
- threat
- 1.Kb7?
- threat
- 2.Qc4#
- 2.Qe4#
- 1...cxb2
- 2.Rd3#
- 2.Qe4#
- 1...Sc6
- 2.Qc4#
- 1...Qe5
- 2.Bxe5#
- 2.Qc4#
- 2.Qxe5#
- 1...Rh4
- 2.Qc4#
- 1...Rg4
- 2.Qc4#
- 1...Sb6
- 2.Qe4#
- 1...Sd6+!
- threat
- 1.Sd6?
- threat
- 2.Qd5#
- 2.Qe4#
- 1...Sxd6
- 2.Qd5#
- 1...Qe5
- 2.Bxe5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe5#
- 1...Rh4
- 2.Qd5#
- 1...Rg4
- 2.Qd5#
- 1...Sb6
- 2.Qe4#
- 1...Sc6!
- threat
- 1.Bc6?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Kxc5
- 2.Qc4#
- 2.Qd5#
- 1...Sxc6
- 2.Qc4#
- 1...cxb2
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...Sb6!
- threat
- 1.Bxf6+?
- 1...exf6
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Rxf6!
- 1...exf6
- 1.Rxc3?
- threat
- 2.Rd3#
- 2.Rc4#
- 1...Sc6
- 2.Rc4#
- 2.Qc4#
- 1...Sb6
- 2.Rd3#
- 2.Qxe3#
- 1...Sd6
- 2.Rd3#
- 2.Qxe3#
- 1...Kxc3!
- threat
- 1.Rb6?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Sxb6
- 2.Qe4#
- 1...Sc6
- 2.Qc4#
- 1...c2
- 2.Qc4#
- 1...Qe5
- 2.Bxe5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe5#
- 1...Rh4
- 2.Qc4#
- 2.Qd5#
- 1...Rg4
- 2.Qc4#
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...cxb2!
- threat
- 1.Rc6?
- threat
- 2.Qc4#
- 2.Qe4#
- 1...Sxc6
- 2.Qc4#
- 1...cxb2
- 2.Rd3#
- 2.Qe4#
- 1...Qe5
- 2.Bxe5#
- 2.Qc4#
- 2.Qxe5#
- 1...Rh4
- 2.Qc4#
- 1...Rg4
- 2.Qc4#
- 1...Sb6
- 2.Qe4#
- 1...Sd6!
- threat
- 1.d8Q+?
- 1...Sd6
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Rxd8!
- 1...Sd6
- 1.d8R+?
- 1...Sd6
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Rxd8!
- 1...Sd6
- 1.Kxa5?
- Keys
- 1.Ra3!
- threat
- 2.Ra4#
- 1...cxb2
- 2.Rd3#
- 1...Sc6
- 2.Qc4#
- 1...Sb6
- 2.Qe4#
- 1...Sd6
- 2.Qd5#
- 1...c2
- 2.Rd3#
- 1...a4
- 2.Rxa4#
- threat
- 1.Ra3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(e);OGATE::B(M),XQ(e)
- S(g);N_PINQ(H)::QAR1(H)
- S(i);N_PINQ(H)::QAR1(H)
- P(a);OGATE,XS(A)::R1(C)
- P(a);OGATE::R1(C)
- P(d);N_GUARD::R(C)
- Tries
- Try
- K(G);N_SPINQ(H),P-FLIGHT,XP(d)
- Threat
- DUALS(4)
- Vars
- S(i);::QAR1(H)
- Refutation
- S(g);CHECK
- Try
- K(G);N_SPINQ(H),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- S(g);::QAR1(H)
- R(f);::QAR1(H)
- R(j);::QAR1(H)
- S(i);::QAR1(H)
- Refutation
- S(i);CHECK
- Try
- S(K);N_SPINQ(H)
- Threat
- DUALS(2)
- Vars
- S(i);XS(K)::QAR1(H)
- R(f);::QAR1(H)
- R(j);::QAR1(H)
- S(i);::QAR1(H)
- Refutation
- S(g);
- Try
- B(L);N_SPINQ(H)
- Threat
- DUALS(2)
- Vars
- S(g);XB(L)::QAR1(H)
- P(a);XS(A)::QAR1(H)
- S(i);::QAR1(H)
- Refutation
- S(i);
- Try
- B(M);CHECK,N_SPINQ(H),XQ(e)
- Refutation
- R(f);P_PINQ(H),XB(M)
- Try
- R(C);XP(a)
- Threat
- DUALS(2)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- R(C);N_SPINQ(H)
- Threat
- DUALS(3)
- Vars
- S(i);XR(C)::QAR1(H)
- S(g);::QAR1(H)
- P(a);::QAR1(H)
- S(i);::QAR1(H)
- Refutation
- P(a);XS(A)
- Try
- R(I);N_SPINQ(H)
- Threat
- DUALS(2)
- Vars
- S(g);XR(I)::QAR1(H)
- R(f);::QAR1(H)
- R(j);::QAR1(H)
- S(i);::QAR1(H)
- Refutation
- S(i);
- Try
- P(J);CHECK
- Refutation
- R(j);XQ(J)
- Try
- P(J);CHECK
- Refutation
- R(j);XR(J)
- Try
- Actual
- R(C);
- Threat
- R(C)
- Vars
- P(a);OGATE,XS(A)::R1(C)
- S(g);N_PINQ(H)::QAR1(H)
- S(i);N_PINQ(H)::QAR1(H)
- P(a);OGATE::R1(C)
- P(d);::R(C),XP(d)
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