MESON Chess Problem Database
Problem Display
PID: 17454 (Q7/7P/3p2p1/2P1R3/1KN2pqp/1P4p1/r3P3/kr5R w - - 0 1)
Petrovic, Nenad
The Problemist, 1946
#2
9 + 9
| 3105 | FIDE Album (1945-1955) | 1964 |
| 702 | Phenix | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...Rg1
- 2.Rxg1#
- 1...Rxh1
- 2.Qxh1#
- 1...Ra3
- 2.Qxa3#
- 1...Ra4+
- 2.Qxa4#
- 1...Ra5
- 2.Qxa5#
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Rc1
- Tries
- 1.h8B?
- threat
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Ra4+
- 2.Qxa4#
- 1...dxc5+
- 2.Rxc5#
- 1...Qxe2
- 2.Rxe2#
- 1...Rxh1
- 2.Qxh1#
- 1...dxe5
- 2.Bxe5#
- 1...Rc1
- 2.Rxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...Rg1
- 2.Rxg1#
- 1...Ra3
- 2.Qxa3#
- 1...Ra5
- 2.Qxa5#
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Qf3
- 2.Re3#
- 1...Qf5
- 2.Rxf5#
- 1...Qh5
- 2.Rxh5#
- 1...Qe6
- 2.Rxe6#
- 1...Qd7
- 2.Re7#
- 1...Qc8
- 2.Re8#
- 1...Qg5
- 2.Rxg5#
- 1...f3
- 2.Re4#
- 1...d5
- 2.Rxd5#
- 1...g5
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Rxa8!
- threat
- 1.h8B?
- Keys
- 1.h8Q!
- threat
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Ra4+
- 2.Qxa4#
- 1...dxc5+
- 2.Rxc5#
- 1...Qxe2
- 2.Rxe2#
- 1...Rxh1
- 2.Qxh1#
- 1...Rxa8
- 2.Qxa8#
- 1...dxe5
- 2.Qxe5#
- 1...Rc1
- 2.Rxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...Rg1
- 2.Rxg1#
- 1...Ra3
- 2.Qxa3#
- 1...Ra5
- 2.Qxa5#
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Qxa7#
- 1...Qf3
- 2.Re3#
- 1...Qf5
- 2.Rxf5#
- 1...Qh5
- 2.Rxh5#
- 1...Qe6
- 2.Rxe6#
- 1...Qd7
- 2.Re7#
- 1...Qc8
- 2.Re8#
- 1...Qg5
- 2.Rxg5#
- 1...f3
- 2.Re4#
- 1...d5
- 2.Rxd5#
- 1...g5
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- threat
- 1.h8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- R(b);N_PINP(C),OGATEB::R(A),XR(b)
- R(b);N_PINP(C),N_SPINR(b),OGATE,P_SPINR(c),XR(A)::QAB1(I),XR(b)
- R(c);OGATEB::QAR2(I),XR(c)
- R(c);CHECK,OGATEB::QAR(I),XR(c)
- R(c);OGATEB::QAR(I),XR(c)
- Tries
- Try
- P(H);
- Threat
- DUALS(9)
- Vars
- R(c);CHECK,OGATEB::QAR(I),XR(c)
- P(h);CHECK,OGATE,XP(F)::B(H)+R(G),XP(h)
- Q(f);OGATE,XP(B)::B(H)+R(G),XQ(f)
- R(b);N_PINP(C),N_SPINR(b),OGATE,P_SPINR(c),XR(A)::QAB1(I),XR(b)
- P(h);OGATE,P_SPINP(h),XR(G)::B(H),XP(h)
- R(b);N_PINP(C),OGATEB::R(A),XR(b)
- R(c);OGATEB::QAR2(I),XR(c)
- R(c);OGATEB::QAR(I),XR(c)
- Q(f);::B(H)+R(G)
- Q(f);::B(H)+R(G),XQ(f)
- P(e);P_PINS(E)::B(H)+R(G)
- P(h);::B(H)+R(G),XP(h)
- Refutation
- R(c);XQ(I)
- Try
- Actual
- P(H);
- Threat
- DUALS(9)
- Vars
- R(c);CHECK,OGATEB::QAR(I),XR(c)
- P(h);CHECK,OGATE,XP(F)::QAB(H)+R(G),XP(h)
- Q(f);OGATE,XP(B)::QAB(H)+R(G),XQ(f)
- R(b);N_PINP(C),N_SPINR(b),OGATE,P_SPINR(c),XR(A)::QAB1(I),XR(b)
- R(c);OGATE,XQ(I)::QAB(H),XR(c)
- P(h);OGATE,P_SPINP(h),XR(G)::QAB(H),XP(h)
- R(b);N_PINP(C),OGATEB::R(A),XR(b)
- R(c);OGATEB::QAR2(I),XR(c)
- R(c);OGATEB::QAR(I),XR(c)
- Q(f);::QAB(H)+R(G)
- Q(f);::QAB(H)+R(G),XQ(f)
- P(e);P_PINS(E)::QAB(H)+R(G)
- P(h);::QAB(H)+R(G),XP(h)
Developed and maintained by Brian Stephenson.
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