MESON Chess Problem Database
Problem Display
PID: 93865 (6N1/Bb2NK2/r4R2/1Q1P4/2RqkP2/rn2p1P1/3bB1P1/8 w - - 0 1)
Pituk, Alexander
Sachove umeni (Ceskoslovensky sach), 1954
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Re6#
- 1...Ra5
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Rxf6+
- 2.Sxf6#
- 1...Rxa7
- 2.Re6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bc6
- 2.Re6#
- 1...Sa1
- 2.Rxd4#
- 1...Sc1
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Ra4
- Tries
- 1.Ra4?
- threat
- 2.Bd3#
- 2.Bf3#
- 2.Qd3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Bxd5+
- 2.Qxd5#
- 1...R3xa4
- 2.Bf3#
- 1...R6xa4
- 2.Bf3#
- 1...Bb4
- 2.Bf3#
- 1...Sa1
- 2.Bf3#
- 2.Rxd4#
- 1...Sc1
- 2.Bf3#
- 2.Rxd4#
- 1...Sa5
- 2.Bf3#
- 2.Rxd4#
- 1...Sc5
- 2.Bf3#
- 1...Qc4!
- threat
- 1.Rb4?
- threat
- 2.Bd3#
- 2.Bf3#
- 2.Qd3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxb4
- 2.Bf3#
- 1...Sa1
- 2.Bf3#
- 2.Rxd4#
- 1...Sc1
- 2.Bf3#
- 2.Rxd4#
- 1...Sa5
- 2.Bf3#
- 2.Rxd4#
- 1...Sc5
- 2.Bf3#
- 1...Qc4!
- threat
- 1.Rf5?
- threat
- 2.Re5#
- 1...Rf6+
- 2.Sxf6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Re6!
- threat
- 1.Rxa6?
- threat
- 2.Sf6#
- 2.Re6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxa6
- 2.Sf6#
- 1...Bc6
- 2.Sf6#
- 1...Bc8
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Rxa6!
- threat
- 1.Rd6?
- threat
- 2.Sf6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Rxd6!
- threat
- 1.Qd7?
- threat
- 2.Qf5#
- 1...Rxf6+
- 2.Sxf6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Re6
- 2.Rxe6#
- 2.Qxe6#
- 1...Bc8!
- threat
- 1.Qxb3?
- threat
- 2.Bd3#
- 2.Bf3#
- 2.Rxd4#
- 1...Rxf6+
- 2.Sxf6#
- 1...Qxc4
- 2.Bf3#
- 2.Qxc4#
- 1...Rxb3
- 2.Rxd4#
- 1...Rxa7
- 2.Bd3#
- 2.Bf3#
- 2.Re6#
- 1...R3a4
- 2.Bd3#
- 2.Bf3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...R6a4
- 2.Bd3#
- 2.Bf3#
- 2.Re6#
- 1...Rb6
- 2.Bd3#
- 2.Bf3#
- 1...Bc3
- 2.Qc2#
- 2.Qb1#
- 1...Bxd5+!
- threat
- 1.Ra4?
- Keys
- 1.Rcc6!
- threat
- 2.Bf3#
- 1...Qxf6+
- 2.Sxf6#
- 1...Qxd5+
- 2.Qxd5#
- 1...Qxa7
- 2.Qd3#
- 1...Qc5
- 2.Qd3#
- 1...Qb6
- 2.Qd3#
- 1...Qc4
- 2.Rfe6#
- threat
- 1.Rcc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 10
- Sets
- R(g);N_GUARD::R(H)
- R(g);N_GUARD::R(H),XR(g)
- R(g);CHECK,XR(H)::S(L),XR(g)
- R(g);N_GUARD,XB(I)::R(H)
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- B(h);S_CUTR(g)::R(H)
- S(c);N_GUARD::R1(D),XQ(e)
- Tries
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(g);CHECK,XR(H)::S(L),XR(g)
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- R(b);N_SPINQ(e),XR(D)::B(A)
- R(g);N_SPINQ(e),XR(D)::B(A)
- B(a);N_SPINQ(e)::B(A)
- S(c);::B(A)
- Refutation
- Q(e);P_PINP(G)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(g);CHECK,XR(H)::S(L),XR(g)
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- B(a);N_SPINQ(e),XR(D)::B(A)
- S(c);::B(A)
- Refutation
- Q(e);P_PINP(G)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- R(g);CHECK,N_GUARD::S(L),XR(g)
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- Refutation
- R(g);
- Try
- R(H);XR(g)
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- B(h);XR(H)::S(L)
- B(h);::S(L)
- S(c);::S(L)
- Refutation
- R(b);XR(H)
- Try
- R(H);
- Threat
- S(L)
- Vars
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- Refutation
- R(g);XR(H)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- R(g);CHECK,XR(H)::S(L),XR(g)
- B(h);CHECK,OGATE,XP(G)::QAB1(F),XB(h)
- Refutation
- B(h);
- Try
- Q(F);XS(c)
- Threat
- DUALS(3)
- Vars
- R(g);CHECK,XR(H)::S(L),XR(g)
- R(b);XQ(F)::R1(D),XQ(e)
- Refutation
- B(h);CHECK,XP(G)
- Try
- Actual
- R(D);N_PINQ(e)
- Threat
- B(A)
- Vars
- Q(e);CHECK,XR(H)::S(L),XQ(e)
- Q(e);CHECK,OGATE,XP(G)::QAB1(F),XQ(e)
- Q(e);N_GUARD,XB(I)::QAB1(F)
- Q(e);N_GUARD::QAB1(F)
- Q(e);N_GUARD,P_PINP(G)::R(H)
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