MESON Chess Problem Database
Problem Display
PID: 27501 (8/6p1/6p1/2p3B1/2r5/P3P3/3kPP2/1Q2NK2 w - - 0 1)
Dombrovskis, Alfreds A
2nd Place, USSR Championship, 1957
#2
8 + 5
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Ra4
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...Rh4
- 2.Qc2#
- 1...Kc3
- Tries
- 1.Bf4?
- 1...Kc3
- 2.Qc2#
- 1...Rxf4
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Ra4
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...g5!
- 1...Kc3
- 1.Bh4?
- 1...Kc3
- 2.Qc2#
- 1...Rxh4
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Ra4
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...g5!
- 1...Kc3
- 1.Bf6?
- threat
- 2.Sf3#
- 1...Rc1
- 2.Qd3#
- 1...Rd4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...gxf6!
- threat
- 1.Be7?
- 1...Kc3
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Ra4
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...Rh4
- 2.Qc2#
- 1...g5!
- 1...Kc3
- 1.Bd8?
- 1...Kc3
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Ra4
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...Rh4
- 2.Qc2#
- 1...g5!
- 1...Kc3
- 1.Qd1+?
- 1...Kc3
- 2.Qc2#
- 1...Kxd1!
- 1...Kc3
- 1.Qb2+?
- 1...Rc2
- 2.Qxc2#
- 1...Kd1!
- 1...Rc2
- 1.Qb3?
- threat
- 2.e4#
- 1...Kc1
- 2.e4#
- 1...Rc2
- 2.Qxc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...Rh4
- 2.Qc2#
- 1...Rc3!
- threat
- 1.a4?
- 1...Rxa4
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Rc2
- 2.Qxc2#
- 1...Rc3
- 2.Sf3#
- 1...Rb4
- 2.Qc2#
- 1...Rd4
- 2.Qc2#
- 1...Re4
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rg4
- 2.Qc2#
- 1...Rh4
- 2.Qc2#
- 1...Kc3!
- 1...Rxa4
- 1.Bf4?
- Keys
- 1.Sd3!
- 1...Rc1+
- 2.Qxc1#
- 1...Kc3
- 2.Qb2#
- 1...Rc2
- 2.Qe1#
- 1...Rc3
- 2.e4#
- 1...Ra4
- 2.Qc1#
- 1...Rb4
- 2.Qc1#
- 1...Rd4
- 2.Qc1#
- 1...Re4
- 2.Qc1#
- 1...Rf4
- 2.Qc1#
- 1...Rg4
- 2.Qc1#
- 1...Rh4
- 2.Qc1#
- 1...Rc1+
- 1.Sd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Tries
- Try
- B(H);
- Vars
- K(a);S_FLIGHT::QAR1(A)
- R(b);N_GUARD,P_PINP(E),XB(H)::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- Refutation
- P(d);
- Try
- B(H);
- Vars
- K(a);S_FLIGHT::QAR1(A)
- R(b);N_GUARD,XB(H)::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- P(d);
- Try
- B(H);
- Threat
- S(B)
- Vars
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- P(e);XB(H)
- Try
- B(H);
- Vars
- K(a);S_FLIGHT::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- P(d);
- Try
- B(H);
- Vars
- K(a);S_FLIGHT::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- P(d);
- Try
- Q(A);CHECK
- Vars
- K(a);S_FLIGHT::QAR1(A)
- Refutation
- K(a);P-FLIGHT,XQ(A)
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAR1(A),XR(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);
- Threat
- B(H)+P(G)
- Vars
- K(a);S_FLIGHT::B(H)+P(G)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- R(b);
- Try
- P(F);
- Vars
- R(b);N_GUARD,XP(F)::QAR1(A)
- R(b);P_PINS(B),SBLOCK::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD,P_PINP(E)::QAR1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- S(B);
- Vars
- R(b);CHECK,N_GUARD::QAB1(A),XR(b)
- K(a);S_FLIGHT::QAB1(A)
- R(b);SBLOCK::QAB1(A)
- R(b);SBLOCK::B(H)+P(G)
- R(b);N_GUARD::QAB1(A)
- R(b);N_GUARD,P_PINP(E)::QAB1(A)
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