MESON Chess Problem Database
Problem Display
PID: 86626 (1bbrr3/6N1/8/R4p2/R4pkP/6P1/4P2K/1B1Q1N2 w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Canadian Chess Chat, 1981
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Rxf4#
- 1...Rd7
- 2.Bxf5#
- 1...Rxe2+
- 2.Qxe2#
- 1...Re3
- 2.Sxe3#
- 1...Re5
- 2.Rxf4#
- 1...Re6
- 2.Bxf5#
- 1...Rf8
- 2.Se3#
- 1...Rg8
- 2.Se3#
- 1...Rh8
- 2.Se3#
- 1...Be5
- 2.Se3#
- 1...Bd6
- 2.e3#
- 1...Ba7
- 2.Rxf4#
- 1...Ba6
- 2.Bxf5#
- 1...Be6
- 2.Se3#
- 1...Bb7
- 2.Bxf5#
- 1...Bd7
- 2.e3#
- 1...Rd6
- Tries
- 1.Kg2?
- threat
- 2.Sh2#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bb7+!
- threat
- 1.Re4?
- threat
- 2.Se3#
- 1...fxe4
- 2.Rg5#
- 1...Rd3
- 2.exd3#
- 1...Ba7
- 2.Rxf4#
- 1...Rxe4!
- threat
- 1.Re5?
- threat
- 2.Se3#
- 2.Rxf4#
- 1...Rxe5
- 2.Rxf4#
- 1...Bxe5
- 2.Se3#
- 1...Rd3
- 2.Rxf4#
- 2.exd3#
- 1...Ba7
- 2.Rxf4#
- 1...Rd4!
- threat
- 1.Rxf5?
- threat
- 2.Rg5#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bxf5
- 2.Bxf5#
- 1...Re5
- 2.Raxf4#
- 2.Rfxf4#
- 1...Rd5!
- threat
- 1.Qd3?
- threat
- 2.Qf3#
- 1...Rxe2+
- 2.Qxe2#
- 1...Re3
- 2.Sxe3#
- 1...Bb7
- 2.Qxf5#
- 1...Rxd3!
- threat
- 1.e4+?
- 1...f3
- 2.Se3#
- 1...Rxd1!
- 1...f3
- 1.Kg2?
- Keys
- 1.Ra6!
- threat
- 2.Rg6#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bxa6
- 2.Bxf5#
- 1...Rd6
- 2.Rxf4#
- 1...Re6
- 2.Bxf5#
- 1...Bd6
- 2.e3#
- 1...Be6
- 2.Se3#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(f);S_CUTB(d)::R1(G),XP(a)
- R(f);S_CUTB(e)::B(A),XP(c)
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::QAB(B),XR(g)
- R(g);N_GUARD::S(C),XR(g)
- R(g);S_CUTB(d)::R1(G),XP(a)
- R(g);S_CUTB(e)::B(A),XP(c)
- R(g);N_GUARD::S(C)
- R(g);N_GUARD,P_PINP(H)::S(C)
- B(d);S_CUTR(g)::S(C)
- B(d);S_CUTR(f)::QAB(B)+P(D)
- B(d);N_GUARD::R1(G),XP(a)
- B(e);N_GUARD::B(A),XP(c)
- B(e);S_CUTR(g)::S(C)
- B(e);S_CUTR(f)::QAB(B)+P(D)
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- S(C)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::QAB(B),XR(g)
- Refutation
- B(e);CHECK
- Try
- R(G);
- Threat
- S(C)
- Vars
- P(c);N_SPINP(a),OGATE,XR(G)::R1(I)
- R(f);OGATE::QAB(B)+P(D),XR(f)
- B(d);N_GUARD::R1(G),XP(a)
- Refutation
- R(g);N_SPINP(a),XR(G)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(g);XR(I)::R1(G),XP(a)
- B(d);XR(I)::S(C)
- B(d);::R1(G),XP(a)
- Refutation
- R(f);N_SPINP(a)
- Try
- R(I);XP(c)
- Threat
- R1(I)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::QAB(B),XR(g)
- B(e);OGATE,XR(I)::B(A),XB(e)
- Refutation
- R(f);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- R(g);CHECK,OGATE,XP(D)::QAB(B),XR(g)
- R(g);N_GUARD::S(C),XR(g)
- B(e);N_GUARD::QAB1(B),XP(c)
- Refutation
- R(f);XQ(B)
- Try
- P(D);CHECK,N_PINP(a)
- Vars
- P(a);P_PINP(F),P_SPINP(a)::S(C)
- Refutation
- R(f);XQ(B)
- Try
- Actual
- R(I);
- Threat
- R(I)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::QAB(B),XR(g)
- B(e);N_GUARD,XR(I)::B(A),XP(c)
- R(f);S_CUTB(d)::R1(G),XP(a)
- R(g);S_CUTB(e)::B(A),XP(c)
- B(d);S_CUTR(f)::QAB(B)+P(D)
- B(e);S_CUTR(g)::S(C)
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