MESON Chess Problem Database

Problem Display
PID: 104292 (8/8/8/1K2p1pQ/3kr3/4R3/1n4B1/4B3 w - - 0 1)

Bartolovic, Hrvoje

3rd Prize, To Mat, 1956

8/8/8/1K2p1pQ/3kr3/4R3/1n4B1/4B3

#2

5 + 5

3310 2345 Chess Problems 1997
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc3+?
      • 1...Kxe3
        • 2.Qf3#
      • 1...Kd5!
    • 1.Rxe4+?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Qd1+?
      • 1...Kxe3
        • 2.Qd2#
      • 1...Sd3
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Sxd1!
    • 1.Qf3?
      • threat
        • 2.Qxe4#
      • 1...Rxe3
        • 2.Qd5#
      • 1...Rf4
        • 2.Bc3#
      • 1...Rg4
        • 2.Bc3#
      • 1...Rh4
        • 2.Bc3#
      • 1...Kd5!
    • 1.Qg6?
      • threat
        • 2.Qxe4#
      • 1...Kxe3
        • 2.Qxe4#
      • 1...Rxe3
        • 2.Qd6#
      • 1...Rf4
        • 2.Qb6#
      • 1...Rg4
        • 2.Qb6#
      • 1...Rh4
        • 2.Qb6#
      • 1...Kd5!
    • 1.Qh3?
      • 1...Kd5
        • 2.Qd7#
      • 1...Rxe3
        • 2.Qd7#
      • 1...Sd1
        • 2.Rd3#
      • 1...Rf4
        • 2.Bc3#
      • 1...Rg4
        • 2.Bc3#
      • 1...Rh4
        • 2.Bc3#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sa4
        • 2.Rd3#
      • 1...Sc4
        • 2.Rd3#
      • 1...g4!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qxe4#
      • 1...Kxe3
        • 2.Qxe4#
      • 1...Kd5
        • 2.Qd7#
      • 1...Rxe3
        • 2.Qd7#
      • 1...Rf4
        • 2.Qa7#
      • 1...Rg4
        • 2.Qa7#
      • 1...Rh4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(C)::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINR(c)
    • Try
      • R(C);CHECK,XR(c)
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(C)::QAB1(E)
      • Refutation
        • S(a);XQ(E)
    • Try
      • Q(E);
      • Threat
        • QAR1(E),XR(c)
      • Vars
        • R(c);OGATE,SBLOCK,XR(C)::QAR1(E)
        • R(c);::B(A)
      • Refutation
        • K(b);P-FLIGHT,P_SPINR(c)
    • Try
      • Q(E);
      • Threat
        • QAR1(E),XR(c)
      • Vars
        • K(b);S_FLIGHT,XR(C)::QAR1(E),XR(c)
        • R(c);SBLOCK,XR(C)::QAR2(E)
        • R(c);::QAB(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINR(c)
    • Try
      • Q(E);
      • Vars
        • K(b);P-FLIGHT,P_SPINR(c)::QAR2(E)
        • R(c);SBLOCK,XR(C)::QAR(E)
        • S(a);N_GUARD::R1(C)
        • R(c);::B(A)
        • S(a);N_GUARD::R1(C),XS(a)
      • Refutation
        • P(e);
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XR(c)
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAR1(E),XR(c)
      • K(b);P-FLIGHT,P_SPINR(c)::QAR2(E)
      • R(c);SBLOCK,XR(C)::QAR(E)
      • R(c);::QAB(E)
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