MESON Chess Problem Database
Problem Display
PID: 231617 (4b3/BBN5/pr3pp1/2b3r1/3k4/4R3/Qp6/1K2R3 w - - 0 1)
Dulcsan, Geza
Fleck, Ferenc
Nepszava, 1927
#2
7 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qd5#
- 1...Rg2
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rg4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rb4
- 2.Se6#
- 1...Rb5
- 2.Se6#
- 1...Rc6
- 2.Qa4#
- 1...Re6
- 2.Sxe6#
- 1...Rxb7
- 2.Se6#
- 1...Ba3
- 2.Se6#
- 1...Bb4
- 2.Se6#
- 1...Bd6
- 2.Se6#
- 1...Be7
- 2.Se6#
- 1...Bf8
- 2.Se6#
- 1...Bc6
- 2.Se6#
- 1...f5
- 2.Qd5#
- 1...Rg1
- Tries
- 1.Bd5?
- threat
- 2.Qc4#
- 1...Rxd5
- 2.Qxd5#
- 1...Rb4
- 2.Se6#
- 1...Bb5
- 2.Qxb2#
- 1...Rb3!
- threat
- 1.Rg3?
- threat
- 2.Re4#
- 1...Rxb7
- 2.Se6#
- 1...Ba3
- 2.Se6#
- 1...Bb4
- 2.Se6#
- 1...Bd6
- 2.Se6#
- 1...Be7
- 2.Se6#
- 1...Bf8
- 2.Se6#
- 1...Re5
- 2.Rd1#
- 1...Rg4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc6
- 2.Qa4#
- 1...Re6
- 2.Sxe6#
- 1...Bc6
- 2.Se6#
- 1...f5
- 2.Qd5#
- 1...Rxg3!
- threat
- 1.Rh3?
- threat
- 2.Re4#
- 1...Rxb7
- 2.Se6#
- 1...Ba3
- 2.Se6#
- 1...Bb4
- 2.Se6#
- 1...Bd6
- 2.Se6#
- 1...Be7
- 2.Se6#
- 1...Bf8
- 2.Se6#
- 1...Re5
- 2.Rd1#
- 1...Rg1
- 2.Qd5#
- 1...Rg4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc6
- 2.Qa4#
- 1...Re6
- 2.Sxe6#
- 1...Bc6
- 2.Se6#
- 1...f5
- 2.Qd5#
- 1...Rg3!
- threat
- 1.Qb3?
- threat
- 2.Rd1#
- 2.Rd3#
- 2.Re4#
- 2.Qc3#
- 2.Qd3#
- 1...Ba3
- 2.Se6#
- 2.Qc3#
- 1...Bb4
- 2.Se6#
- 2.Qxb4#
- 1...Bd6
- 2.Se6#
- 2.Qc3#
- 1...Be7
- 2.Se6#
- 2.Qc3#
- 1...Bf8
- 2.Se6#
- 2.Qc3#
- 1...Re5
- 2.Rd1#
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 1...Rg1
- 2.Rd3#
- 2.Re4#
- 2.Qd5#
- 2.Qc3#
- 2.Qd3#
- 1...Rg2
- 2.Rd3#
- 2.Re4#
- 2.Qd5#
- 2.Qc3#
- 2.Qd3#
- 1...Rg3
- 2.Rd1#
- 2.Re4#
- 2.Qd5#
- 2.Qc3#
- 2.Qd3#
- 1...Rg4
- 2.Rd1#
- 2.Rd3#
- 2.Qd5#
- 2.Qc3#
- 2.Qd3#
- 1...Re6
- 2.Sxe6#
- 2.Rd1#
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 2.Qb4#
- 1...Bb5
- 2.Re4#
- 2.Qc3#
- 1...Bc6
- 2.Se6#
- 2.Rd1#
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 1...f5
- 2.Rd1#
- 2.Rd3#
- 2.Qd5#
- 2.Qc3#
- 2.Qd3#
- 1...Rxb3!
- threat
- 1.Qxb2+?
- 1...Kc4
- 2.Rc1#
- 1...Rxb2+!
- 1...Kc4
- 1.Qa4+?
- 1...Rb4
- 2.Qxb4#
- 1...Bb4
- 2.Qxb4#
- 1...Bxa4!
- 1...Rb4
- 1.Qa5?
- threat
- 2.Qc3#
- 1...Kc4
- 2.Qc3#
- 1...Rb4
- 2.Qxb4#
- 1...Bb4
- 2.Qxb4#
- 1...Rb3!
- threat
- 1.Bd5?
- Keys
- 1.Rf3!
- threat
- 2.Re4#
- 1...Rxb7
- 2.Se6#
- 1...Ba3
- 2.Se6#
- 1...Bb4
- 2.Se6#
- 1...Bd6
- 2.Se6#
- 1...Be7
- 2.Se6#
- 1...Bf8
- 2.Se6#
- 1...Re5
- 2.Rd1#
- 1...Rg1
- 2.Qd5#
- 1...Rg4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc6
- 2.Qa4#
- 1...Re6
- 2.Sxe6#
- 1...Bc6
- 2.Se6#
- 1...f5
- 2.Qd5#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD,P_PINR(B)::QAR1(C)
- R(d);N_GUARD::QAR1(C)
- R(d);N_GUARD::QAR1(C),XR(d)
- R(f);N_GUARD,P_SPINB(c)::S(G)
- R(f);N_GUARD,P_SPINB(c),S_CUTB(i)::QAR(C)
- R(f);N_GUARD,P_SPINB(c)::S(G),XR(f)
- R(f);N_GUARD,P_SPINB(c),XB(F)::S(G)
- B(c);P_SPINR(f)::S(G)
- B(i);S_CUTR(f)::S(G)
- P(g);S_CUTR(d)::QAR1(C)
- Tries
- Try
- B(F);
- Threat
- QAR1(C)
- Vars
- R(d);OGATE,XB(F)::QAR1(C),XR(d)
- R(f);N_GUARD,P_SPINB(c)::S(G)
- B(i);S_CUTR(f)::QAB(C),XP(a)
- Refutation
- R(f);P_SPINB(c)
- Try
- R(D);
- Threat
- R1(B)
- Vars
- R(f);N_GUARD,P_SPINB(c),XB(F)::S(G)
- B(c);P_SPINR(f)::S(G)
- R(d);SBLOCK::R(B)
- R(d);N_GUARD::QAR1(C)
- R(d);N_GUARD::QAR1(C),XR(d)
- R(f);N_GUARD,P_SPINB(c),S_CUTB(i)::QAR(C)
- R(f);N_GUARD,P_SPINB(c)::S(G),XR(f)
- B(i);S_CUTR(f)::S(G)
- P(g);S_CUTR(d)::QAR1(C)
- Refutation
- R(d);XR(D)
- Try
- R(D);
- Threat
- R1(B)
- Vars
- R(f);N_GUARD,P_SPINB(c),XB(F)::S(G)
- B(c);P_SPINR(f)::S(G)
- R(d);SBLOCK::R(B)
- R(d);N_GUARD,P_PINR(B)::QAR1(C)
- R(d);N_GUARD::QAR1(C)
- R(d);N_GUARD::QAR1(C),XR(d)
- R(f);N_GUARD,P_SPINB(c),S_CUTB(i)::QAR(C)
- R(f);N_GUARD,P_SPINB(c)::S(G),XR(f)
- B(i);S_CUTR(f)::S(G)
- P(g);S_CUTR(d)::QAR1(C)
- Refutation
- R(d);
- Try
- Q(C);
- Threat
- DUALS(5)
- Refutation
- R(f);P_SPINB(c),XQ(C)
- Try
- Q(C);CHECK,P_SPINQ(C),XP(a)
- Vars
- K(b);P-FLIGHT::R(B)
- Refutation
- R(f);CHECK,P_SPINB(c),XQ(C)
- Try
- Q(C);CHECK
- Vars
- R(f);N_GUARD,P_SPINB(c),P_SPINR(f)::QAR2(C),XR(f)
- B(c);N_GUARD,P_SPINB(c),P_SPINR(f)::QAR2(C),XB(c)
- Refutation
- B(i);XQ(C)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- K(b);P-FLIGHT::QAR1(C)
- R(f);N_GUARD,P_SPINB(c)::QAR2(C),XR(f)
- B(c);N_GUARD,P_SPINR(f)::QAR2(C),XB(c)
- Refutation
- R(f);P_SPINB(c)
- Try
- Actual
- R(D);
- Threat
- R1(B)
- Vars
- R(f);N_GUARD,P_SPINB(c),XB(F)::S(G)
- B(c);P_SPINR(f)::S(G)
- R(d);SBLOCK::R(B)
- R(d);N_GUARD,P_PINR(B)::QAR1(C)
- R(d);N_GUARD::QAR1(C)
- R(d);N_GUARD::QAR1(C),XR(d)
- R(f);N_GUARD,P_SPINB(c),S_CUTB(i)::QAR(C)
- R(f);N_GUARD,P_SPINB(c)::S(G),XR(f)
- B(i);S_CUTR(f)::S(G)
- P(g);S_CUTR(d)::QAR1(C)
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